Update README.md

(refs #105 )Specify suitable Content-Type header for downloaded file.
(refs #100 ) Fix bug that can't get ServletContext in the future block.
2026-05-08 14:16:56 +02:00 · 2013-09-29 16:31:12 +09:00 · 2013-09-29 16:27:40 +09:00 · 2013-09-28 21:03:55 +09:00 · 2013-09-27 14:33:27 +09:00 · 2013-09-27 14:07:20 +09:00
168 changed files with 7170 additions and 2070 deletions
--- a/README.md
+++ b/README.md
@@ -6,20 +6,25 @@ GitBucket is the easily installable Github clone written with Scala.
 The current version of GitBucket provides a basic features below:

 - Public / Private Git repository (http access only)
- Repository viewer (some advanced features are not implemented)
+- Repository viewer (some advanced features such as online file editing are not implemented)
+- Repository search (Code and Issues)
 - Wiki
 - Issues
+- Fork / Pull request
+- Mail notification
 - Activity timeline
 - User management (for Administrators)
+- Group (like Organization in Github)
+- LDAP integration
+- Gravatar support

 Following features are not implemented, but we will make them in the future release!

- Fork and pull request
- Search
+- File editing in repository viewer
+- Comment for the changeset
 - Network graph
 - Statics
 - Watch / Star
- Team management (like Organization in Github)

 If you want to try the development version of GitBucket, see the documentation for developers at [Wiki](https://github.com/takezoe/gitbucket/wiki).

@@ -32,11 +37,44 @@ Installation

 The default administrator account is **root** and password is **root**.

-To upgrade GitBucket, only replace gitbucket.war.
+(Since 1.6) or you can start GitBucket by ```java -jar gitbucket.war``` without servlet container. In this case, GitBucket URL is **http://[hostname]:8080/**. You can specify following options.
+
+- --port=[NUMBER]
+- --prefix=[CONTEXTPATH]
+
+To upgrade GitBucket, only replace gitbucket.war. All GitBucket data is stored in HOME/gitbucket. So if you want to back up GitBucket data, copy this directory to the other disk.

 Release Notes
 --------
-### 1.3 - xx Jul 2013
+### 1.6 - COMMING SOON!
+- Web hook.
+- Performance improvement for pull request.
+- Executable war file.
+- Specify suitable Content-Type for downloaded files in the repository viewer.
+- Fixed some bugs.
+
+### 1.5 - 4 Sep 2013
+- Fork and pull request.
+- LDAP authentication.
+- Mail notification.
+- Add an option to turn off the gravatar support.
+- Add the branch tab in the repository viewer.
+- Encoding auto detection for the file content in the repository viewer.
+- Add favicon, header logo and icons for the timeline.
+- Specify data directory via environment variable GITBUCKET_HOME.
+- Fixed some bugs.
+
+### 1.4 - 31 Jul 2013
+- Group management.
+- Repository search for code and issues.
+- Display user related issues on the dashboard.
+- Display participants avatar of issues on the issue page.
+- Performance improvement for repository viewer.
+- Alert by milestone due date.
+- H2 database administration console.
+- Fixed some bugs.
+
+### 1.3 - 18 Jul 2013
 - Batch updating for issues.
 - Display assigned user on issue list.
 - User icon and Gravatar support.
--- a/build.xml
+++ b/build.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<project name="gitbucket" default="all" basedir=".">
+
+  <property name="target.dir" value="target"/>
+  <property name="embed.classes.dir" value="${target.dir}/embed-classes"/>
+  <property name="jetty.dir" value="embed-jetty"/>
+  <property name="scala.version" value="2.10"/>
+  <property name="gitbucket.version" value="0.0.1"/>
+  <property name="jetty.version" value="8.1.8.v20121106"/>
+  <property name="servlet.version" value="3.0.0.v201112011016"/>
+
+  <target name="clean">
+    <delete dir="${embed.classes.dir}"/>
+    <delete file="${target.dir}/scala-${scala.version}/gitbucket.war"/>
+  </target>
+
+  <target name="war" depends="clean">
+    <exec command="sbt.bat clean package"/>
+  </target>
+
+  <target name="embed" depends="war">
+    <mkdir dir="${embed.classes.dir}"/>
+
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/javax.servlet-${servlet.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-continuation-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-http-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-io-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-security-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-server-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-servlet-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-util-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-webapp-${jetty.version}.jar" />
+    <unzip dest="${embed.classes.dir}" src="${jetty.dir}/jetty-xml-${jetty.version}.jar" />
+
+    <zip destfile="${target.dir}/scala-${scala.version}/gitbucket_${scala.version}-${gitbucket.version}.war"
+         basedir="${embed.classes.dir}"
+         update = "true"
+         includes="javax/**,org/**"/>
+
+    <zip destfile="${target.dir}/scala-${scala.version}/gitbucket_${scala.version}-${gitbucket.version}.war"
+         basedir="${target.dir}/scala-${scala.version}/classes"
+         update = "true"
+         includes="JettyLauncher.class"/>
+  </target>
+
+  <target name="rename" depends="embed">
+    <rename src="${target.dir}/scala-${scala.version}/gitbucket_${scala.version}-${gitbucket.version}.war"
+            dest="${target.dir}/scala-${scala.version}/gitbucket.war"/>
+  </target>
+
+  <target name="all" depends="rename">
+  </target>
+
+
+</project>
--- a/embed-jetty/javax.servlet-3.0.0.v201112011016.jar
+++ b/embed-jetty/javax.servlet-3.0.0.v201112011016.jar
--- a/embed-jetty/jetty-continuation-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-continuation-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-http-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-http-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-io-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-io-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-security-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-security-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-server-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-server-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-servlet-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-servlet-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-util-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-util-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-webapp-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-webapp-8.1.8.v20121106.jar
--- a/embed-jetty/jetty-xml-8.1.8.v20121106.jar
+++ b/embed-jetty/jetty-xml-8.1.8.v20121106.jar
--- a/etc/gitbucket.erd
+++ b/etc/gitbucket.erd
@@ -23,8 +23,8 @@
      <constraint>
        <height>-1</height>
        <width>-1</width>
-        <x>37</x>
-        <y>36</y>
+        <x>33</x>
+        <y>18</y>
      </constraint>
      <sourceConnections/>
      <targetConnections>
@@ -51,8 +51,8 @@
            <constraint>
              <height>-1</height>
              <width>-1</width>
-              <x>751</x>
-              <y>47</y>
+              <x>723</x>
+              <y>138</y>
            </constraint>
            <sourceConnections>
              <net.java.amateras.db.visual.model.ForeignKeyModel>
@@ -79,8 +79,8 @@
                  <constraint>
                    <height>-1</height>
                    <width>-1</width>
-                    <x>882</x>
-                    <y>239</y>
+                    <x>1182</x>
+                    <y>339</y>
                  </constraint>
                  <sourceConnections/>
                  <targetConnections>
@@ -108,8 +108,8 @@
                        <constraint>
                          <height>-1</height>
                          <width>-1</width>
-                          <x>940</x>
-                          <y>615</y>
+                          <x>1301</x>
+                          <y>836</y>
                        </constraint>
                        <sourceConnections>
                          <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
@@ -138,8 +138,8 @@
                              <constraint>
                                <height>-1</height>
                                <width>-1</width>
-                                <x>420</x>
-                                <y>758</y>
+                                <x>684</x>
+                                <y>858</y>
                              </constraint>
                              <sourceConnections>
                                <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
@@ -167,8 +167,8 @@
                                    <constraint>
                                      <height>-1</height>
                                      <width>-1</width>
-                                      <x>307</x>
-                                      <y>356</y>
+                                      <x>293</x>
+                                      <y>478</y>
                                    </constraint>
                                    <sourceConnections>
                                      <net.java.amateras.db.visual.model.ForeignKeyModel>
@@ -210,8 +210,8 @@
                                          <constraint>
                                            <height>-1</height>
                                            <width>-1</width>
-                                            <x>641</x>
-                                            <y>569</y>
+                                            <x>875</x>
+                                            <y>677</y>
                                          </constraint>
                                          <sourceConnections>
                                            <net.java.amateras.db.visual.model.ForeignKeyModel>
@@ -283,9 +283,14 @@
                                              <defaultValue></defaultValue>
                                            </net.java.amateras.db.visual.model.ColumnModel>
                                            <net.java.amateras.db.visual.model.ColumnModel>
-                                              <columnName>MILESTONE_NAME</columnName>
-                                              <logicalName>Milestone Name</logicalName>
-                                              <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel/columnType"/>
+                                              <columnName>TITLE</columnName>
+                                              <logicalName>Title</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType">
+                                                <name>VARCHAR</name>
+                                                <logicalName>文字列</logicalName>
+                                                <supportSize>true</supportSize>
+                                                <type>12</type>
+                                              </columnType>
                                              <size>100</size>
                                              <notNull>true</notNull>
                                              <primaryKey>false</primaryKey>
@@ -293,6 +298,49 @@
                                              <autoIncrement>false</autoIncrement>
                                              <defaultValue></defaultValue>
                                            </net.java.amateras.db.visual.model.ColumnModel>
+                                            <net.java.amateras.db.visual.model.ColumnModel>
+                                              <columnName>DESCRIPTION</columnName>
+                                              <logicalName>Description</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType">
+                                                <name>TEXT</name>
+                                                <logicalName>文字列</logicalName>
+                                                <supportSize>true</supportSize>
+                                                <type>2005</type>
+                                              </columnType>
+                                              <size></size>
+                                              <notNull>false</notNull>
+                                              <primaryKey>false</primaryKey>
+                                              <description></description>
+                                              <autoIncrement>false</autoIncrement>
+                                              <defaultValue></defaultValue>
+                                            </net.java.amateras.db.visual.model.ColumnModel>
+                                            <net.java.amateras.db.visual.model.ColumnModel>
+                                              <columnName>DUE_DATE</columnName>
+                                              <logicalName>Due Date</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType">
+                                                <name>TIMESTAMP</name>
+                                                <logicalName>日時</logicalName>
+                                                <supportSize>false</supportSize>
+                                                <type>93</type>
+                                              </columnType>
+                                              <size>10</size>
+                                              <notNull>false</notNull>
+                                              <primaryKey>false</primaryKey>
+                                              <description></description>
+                                              <autoIncrement>false</autoIncrement>
+                                              <defaultValue></defaultValue>
+                                            </net.java.amateras.db.visual.model.ColumnModel>
+                                            <net.java.amateras.db.visual.model.ColumnModel>
+                                              <columnName>CLOSED_DATE</columnName>
+                                              <logicalName>Closed Date</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel[6]/columnType"/>
+                                              <size>10</size>
+                                              <notNull>false</notNull>
+                                              <primaryKey>false</primaryKey>
+                                              <description></description>
+                                              <autoIncrement>false</autoIncrement>
+                                              <defaultValue></defaultValue>
+                                            </net.java.amateras.db.visual.model.ColumnModel>
                                          </columns>
                                          <indices/>
                                          <backgroundColor>
@@ -350,6 +398,36 @@
                                          </entry>
                                        </references>
                                      </net.java.amateras.db.visual.model.ForeignKeyModel>
+                                      <net.java.amateras.db.visual.model.ForeignKeyModel>
+                                        <listeners serialization="custom">
+                                          <java.beans.PropertyChangeSupport>
+                                            <default>
+                                              <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                                              <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                                            </default>
+                                            <null/>
+                                          </java.beans.PropertyChangeSupport>
+                                        </listeners>
+                                        <source class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+                                        <target class="net.java.amateras.db.visual.model.TableModel" reference="../../../../../../../../../../../../../../../../../.."/>
+                                        <foreignKeyName>ISSUE_FK_2</foreignKeyName>
+                                        <references>
+                                          <entry>
+                                            <net.java.amateras.db.visual.model.ColumnModel reference="../../../../net.java.amateras.db.visual.model.ForeignKeyModel[3]/references/entry/net.java.amateras.db.visual.model.ColumnModel"/>
+                                            <net.java.amateras.db.visual.model.ColumnModel>
+                                              <columnName>ASSIGNED_USER_NAME</columnName>
+                                              <logicalName>Assinged User Name</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                                              <size>100</size>
+                                              <notNull>false</notNull>
+                                              <primaryKey>false</primaryKey>
+                                              <description></description>
+                                              <autoIncrement>false</autoIncrement>
+                                              <defaultValue></defaultValue>
+                                            </net.java.amateras.db.visual.model.ColumnModel>
+                                          </entry>
+                                        </references>
+                                      </net.java.amateras.db.visual.model.ForeignKeyModel>
                                    </sourceConnections>
                                    <targetConnections>
                                      <net.java.amateras.db.visual.model.ForeignKeyModel>
@@ -375,8 +453,8 @@
                                          <constraint>
                                            <height>-1</height>
                                            <width>-1</width>
-                                            <x>26</x>
-                                            <y>660</y>
+                                            <x>18</x>
+                                            <y>776</y>
                                          </constraint>
                                          <sourceConnections>
                                            <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
@@ -462,6 +540,22 @@
                                              <autoIncrement>true</autoIncrement>
                                              <defaultValue></defaultValue>
                                            </net.java.amateras.db.visual.model.ColumnModel>
+                                            <net.java.amateras.db.visual.model.ColumnModel>
+                                              <columnName>ACTION</columnName>
+                                              <logicalName>Action</logicalName>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType">
+                                                <name>VARCHAR</name>
+                                                <logicalName>文字列</logicalName>
+                                                <supportSize>true</supportSize>
+                                                <type>12</type>
+                                              </columnType>
+                                              <size>20</size>
+                                              <notNull>true</notNull>
+                                              <primaryKey>false</primaryKey>
+                                              <description>Expand to VARCHAR(20) from VARCHAR(10) in 1.3</description>
+                                              <autoIncrement>false</autoIncrement>
+                                              <defaultValue></defaultValue>
+                                            </net.java.amateras.db.visual.model.ColumnModel>
                                            <net.java.amateras.db.visual.model.ColumnModel reference="../../sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/references/entry/net.java.amateras.db.visual.model.ColumnModel[2]"/>
                                            <net.java.amateras.db.visual.model.ColumnModel>
                                              <columnName>CONTENT</columnName>
@@ -498,7 +592,7 @@
                                            <net.java.amateras.db.visual.model.ColumnModel>
                                              <columnName>UPDATED_DATE</columnName>
                                              <logicalName>Updated Date</logicalName>
-                                              <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel[7]/columnType"/>
+                                              <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel[8]/columnType"/>
                                              <size>10</size>
                                              <notNull>true</notNull>
                                              <primaryKey>false</primaryKey>
@@ -572,10 +666,11 @@
                                        <autoIncrement>false</autoIncrement>
                                        <defaultValue></defaultValue>
                                      </net.java.amateras.db.visual.model.ColumnModel>
+                                      <net.java.amateras.db.visual.model.ColumnModel reference="../../sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[4]/references/entry/net.java.amateras.db.visual.model.ColumnModel[2]"/>
                                      <net.java.amateras.db.visual.model.ColumnModel>
                                        <columnName>TITLE</columnName>
                                        <logicalName>Title</logicalName>
-                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[6]/columnType"/>
+                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[7]/columnType"/>
                                        <size></size>
                                        <notNull>true</notNull>
                                        <primaryKey>false</primaryKey>
@@ -586,7 +681,7 @@
                                      <net.java.amateras.db.visual.model.ColumnModel>
                                        <columnName>CONTENT</columnName>
                                        <logicalName>Content</logicalName>
-                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[6]/columnType"/>
+                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[7]/columnType"/>
                                        <size></size>
                                        <notNull>true</notNull>
                                        <primaryKey>false</primaryKey>
@@ -597,7 +692,7 @@
                                      <net.java.amateras.db.visual.model.ColumnModel>
                                        <columnName>REGISTERED_DATE</columnName>
                                        <logicalName>Registered Date</logicalName>
-                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[7]/columnType"/>
+                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[8]/columnType"/>
                                        <size>10</size>
                                        <notNull>true</notNull>
                                        <primaryKey>false</primaryKey>
@@ -608,7 +703,7 @@
                                      <net.java.amateras.db.visual.model.ColumnModel>
                                        <columnName>UPDATED_DATE</columnName>
                                        <logicalName>Updated Date</logicalName>
-                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[7]/columnType"/>
+                                        <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[8]/columnType"/>
                                        <size>10</size>
                                        <notNull>true</notNull>
                                        <primaryKey>false</primaryKey>
@@ -801,8 +896,8 @@
                        <constraint>
                          <height>-1</height>
                          <width>-1</width>
-                          <x>388</x>
-                          <y>166</y>
+                          <x>481</x>
+                          <y>361</y>
                        </constraint>
                        <sourceConnections>
                          <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
@@ -862,6 +957,250 @@
                    </net.java.amateras.db.visual.model.ForeignKeyModel>
                    <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel"/>
                    <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel"/>
+                    <net.java.amateras.db.visual.model.ForeignKeyModel>
+                      <listeners serialization="custom">
+                        <java.beans.PropertyChangeSupport>
+                          <default>
+                            <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                            <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                          </default>
+                          <null/>
+                        </java.beans.PropertyChangeSupport>
+                      </listeners>
+                      <source class="net.java.amateras.db.visual.model.TableModel">
+                        <listeners serialization="custom">
+                          <java.beans.PropertyChangeSupport>
+                            <default>
+                              <source class="net.java.amateras.db.visual.model.TableModel" reference="../../../.."/>
+                              <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                            </default>
+                            <null/>
+                          </java.beans.PropertyChangeSupport>
+                        </listeners>
+                        <constraint>
+                          <height>-1</height>
+                          <width>-1</width>
+                          <x>1199</x>
+                          <y>25</y>
+                        </constraint>
+                        <sourceConnections>
+                          <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
+                          <net.java.amateras.db.visual.model.ForeignKeyModel>
+                            <listeners serialization="custom">
+                              <java.beans.PropertyChangeSupport>
+                                <default>
+                                  <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                                  <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                                </default>
+                                <null/>
+                              </java.beans.PropertyChangeSupport>
+                            </listeners>
+                            <source class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+                            <target class="net.java.amateras.db.visual.model.TableModel" reference="../../../../../../../../../../../.."/>
+                            <foreignKeyName>ACTIVITY_FK_2</foreignKeyName>
+                            <references>
+                              <entry>
+                                <net.java.amateras.db.visual.model.ColumnModel reference="../../../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[3]/references/entry/net.java.amateras.db.visual.model.ColumnModel"/>
+                                <net.java.amateras.db.visual.model.ColumnModel>
+                                  <columnName>ACTIVITY_USER_NAME</columnName>
+                                  <logicalName>Activity User Name</logicalName>
+                                  <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                                  <size>100</size>
+                                  <notNull>true</notNull>
+                                  <primaryKey>false</primaryKey>
+                                  <description></description>
+                                  <autoIncrement>false</autoIncrement>
+                                  <defaultValue></defaultValue>
+                                </net.java.amateras.db.visual.model.ColumnModel>
+                              </entry>
+                            </references>
+                          </net.java.amateras.db.visual.model.ForeignKeyModel>
+                        </sourceConnections>
+                        <targetConnections/>
+                        <error></error>
+                        <linkedPath></linkedPath>
+                        <tableName>ACTIVITY</tableName>
+                        <logicalName>Activity</logicalName>
+                        <description>Since 1.2</description>
+                        <columns>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>ACTIVITY_ID</columnName>
+                            <logicalName>Activity ID</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType">
+                              <name>INT</name>
+                              <logicalName>整数</logicalName>
+                              <supportSize>false</supportSize>
+                              <type>4</type>
+                            </columnType>
+                            <size>10</size>
+                            <notNull>true</notNull>
+                            <primaryKey>true</primaryKey>
+                            <description></description>
+                            <autoIncrement>true</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>USER_NAME</columnName>
+                            <logicalName>User Name</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>100</size>
+                            <notNull>true</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>REPOSITORY_NAME</columnName>
+                            <logicalName>Repository Name</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>100</size>
+                            <notNull>true</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel reference="../../sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/references/entry/net.java.amateras.db.visual.model.ColumnModel[2]"/>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>ACTIVITY_TYPE</columnName>
+                            <logicalName>Activity Type</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>100</size>
+                            <notNull>true</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>MESSAGE</columnName>
+                            <logicalName>Message</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[5]/columnType"/>
+                            <size></size>
+                            <notNull>true</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>ADDITIONAL_INFO</columnName>
+                            <logicalName>Additional Information</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[5]/columnType"/>
+                            <size></size>
+                            <notNull>false</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>ACTIVITY_DATE</columnName>
+                            <logicalName>Activity Date</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[6]/columnType"/>
+                            <size>10</size>
+                            <notNull>true</notNull>
+                            <primaryKey>false</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                        </columns>
+                        <indices/>
+                        <backgroundColor>
+                          <red>255</red>
+                          <green>255</green>
+                          <blue>206</blue>
+                        </backgroundColor>
+                        <sql></sql>
+                      </source>
+                      <target class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+                      <foreignKeyName>ACTIVITY_FK_1</foreignKeyName>
+                      <references/>
+                    </net.java.amateras.db.visual.model.ForeignKeyModel>
+                    <net.java.amateras.db.visual.model.ForeignKeyModel>
+                      <listeners serialization="custom">
+                        <java.beans.PropertyChangeSupport>
+                          <default>
+                            <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                            <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                          </default>
+                          <null/>
+                        </java.beans.PropertyChangeSupport>
+                      </listeners>
+                      <source class="net.java.amateras.db.visual.model.TableModel">
+                        <listeners serialization="custom">
+                          <java.beans.PropertyChangeSupport>
+                            <default>
+                              <source class="net.java.amateras.db.visual.model.TableModel" reference="../../../.."/>
+                              <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                            </default>
+                            <null/>
+                          </java.beans.PropertyChangeSupport>
+                        </listeners>
+                        <constraint>
+                          <height>-1</height>
+                          <width>-1</width>
+                          <x>1451</x>
+                          <y>577</y>
+                        </constraint>
+                        <sourceConnections>
+                          <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
+                        </sourceConnections>
+                        <targetConnections/>
+                        <error></error>
+                        <linkedPath></linkedPath>
+                        <tableName>COMMIT_LOG</tableName>
+                        <logicalName>Commit Log</logicalName>
+                        <description>Since 1.2</description>
+                        <columns>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>USER_NAME</columnName>
+                            <logicalName>User Name</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>100</size>
+                            <notNull>true</notNull>
+                            <primaryKey>true</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>REPOSITORY_NAME</columnName>
+                            <logicalName>Repository Name</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>100</size>
+                            <notNull>true</notNull>
+                            <primaryKey>true</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                          <net.java.amateras.db.visual.model.ColumnModel>
+                            <columnName>COMMIT_ID</columnName>
+                            <logicalName>Commit ID</logicalName>
+                            <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                            <size>40</size>
+                            <notNull>true</notNull>
+                            <primaryKey>true</primaryKey>
+                            <description></description>
+                            <autoIncrement>false</autoIncrement>
+                            <defaultValue></defaultValue>
+                          </net.java.amateras.db.visual.model.ColumnModel>
+                        </columns>
+                        <indices/>
+                        <backgroundColor>
+                          <red>255</red>
+                          <green>255</green>
+                          <blue>206</blue>
+                        </backgroundColor>
+                        <sql></sql>
+                      </source>
+                      <target class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+                      <foreignKeyName>COMMIT_LOG_FK_1</foreignKeyName>
+                      <references/>
+                    </net.java.amateras.db.visual.model.ForeignKeyModel>
                  </targetConnections>
                  <error></error>
                  <linkedPath></linkedPath>
@@ -1062,6 +1401,100 @@
        </net.java.amateras.db.visual.model.ForeignKeyModel>
        <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[3]"/>
        <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]"/>
+        <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[6]/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]"/>
+        <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[4]"/>
+        <net.java.amateras.db.visual.model.ForeignKeyModel>
+          <listeners serialization="custom">
+            <java.beans.PropertyChangeSupport>
+              <default>
+                <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+              </default>
+              <null/>
+            </java.beans.PropertyChangeSupport>
+          </listeners>
+          <source class="net.java.amateras.db.visual.model.TableModel">
+            <listeners serialization="custom">
+              <java.beans.PropertyChangeSupport>
+                <default>
+                  <source class="net.java.amateras.db.visual.model.TableModel" reference="../../../.."/>
+                  <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                </default>
+                <null/>
+              </java.beans.PropertyChangeSupport>
+            </listeners>
+            <constraint>
+              <height>-1</height>
+              <width>-1</width>
+              <x>432</x>
+              <y>240</y>
+            </constraint>
+            <sourceConnections>
+              <net.java.amateras.db.visual.model.ForeignKeyModel reference="../../.."/>
+              <net.java.amateras.db.visual.model.ForeignKeyModel>
+                <listeners serialization="custom">
+                  <java.beans.PropertyChangeSupport>
+                    <default>
+                      <source class="net.java.amateras.db.visual.model.ForeignKeyModel" reference="../../../.."/>
+                      <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+                    </default>
+                    <null/>
+                  </java.beans.PropertyChangeSupport>
+                </listeners>
+                <source class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+                <target class="net.java.amateras.db.visual.model.TableModel" reference="../../../../../.."/>
+                <foreignKeyName>GROUP_MEMBER_FK_2</foreignKeyName>
+                <references/>
+              </net.java.amateras.db.visual.model.ForeignKeyModel>
+            </sourceConnections>
+            <targetConnections/>
+            <error></error>
+            <linkedPath></linkedPath>
+            <tableName>GROUP_MEMBER</tableName>
+            <logicalName>Group Member</logicalName>
+            <description>Since 1.4</description>
+            <columns>
+              <net.java.amateras.db.visual.model.ColumnModel>
+                <columnName>GROUP_NAME</columnName>
+                <logicalName>Group Name</logicalName>
+                <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                <size>100</size>
+                <notNull>true</notNull>
+                <primaryKey>true</primaryKey>
+                <description></description>
+                <autoIncrement>false</autoIncrement>
+                <defaultValue></defaultValue>
+              </net.java.amateras.db.visual.model.ColumnModel>
+              <net.java.amateras.db.visual.model.ColumnModel>
+                <columnName>USER_NAME</columnName>
+                <logicalName>User Name</logicalName>
+                <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+                <size>100</size>
+                <notNull>true</notNull>
+                <primaryKey>true</primaryKey>
+                <description></description>
+                <autoIncrement>false</autoIncrement>
+                <defaultValue></defaultValue>
+              </net.java.amateras.db.visual.model.ColumnModel>
+            </columns>
+            <indices/>
+            <backgroundColor>
+              <red>255</red>
+              <green>255</green>
+              <blue>206</blue>
+            </backgroundColor>
+            <sql></sql>
+          </source>
+          <target class="net.java.amateras.db.visual.model.TableModel" reference="../../.."/>
+          <foreignKeyName>GROUP_MEMBER_FK_1</foreignKeyName>
+          <references>
+            <entry>
+              <net.java.amateras.db.visual.model.ColumnModel reference="../../../../net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[3]/references/entry/net.java.amateras.db.visual.model.ColumnModel"/>
+              <net.java.amateras.db.visual.model.ColumnModel reference="../../../source/columns/net.java.amateras.db.visual.model.ColumnModel"/>
+            </entry>
+          </references>
+        </net.java.amateras.db.visual.model.ForeignKeyModel>
+        <net.java.amateras.db.visual.model.ForeignKeyModel reference="../net.java.amateras.db.visual.model.ForeignKeyModel[6]/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]"/>
      </targetConnections>
      <error></error>
      <linkedPath></linkedPath>
@@ -1089,8 +1522,8 @@
        <net.java.amateras.db.visual.model.ColumnModel>
          <columnName>PASSWORD</columnName>
          <logicalName>Password</logicalName>
-          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel[2]/columnType"/>
-          <size>20</size>
+          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/columns/net.java.amateras.db.visual.model.ColumnModel[4]/columnType"/>
+          <size>40</size>
          <notNull>true</notNull>
          <primaryKey>false</primaryKey>
          <description></description>
@@ -1098,18 +1531,18 @@
          <defaultValue></defaultValue>
        </net.java.amateras.db.visual.model.ColumnModel>
        <net.java.amateras.db.visual.model.ColumnModel>
-          <columnName>USER_TYPE</columnName>
-          <logicalName>User Type</logicalName>
+          <columnName>ADMINISTRATOR</columnName>
+          <logicalName>Administrator</logicalName>
          <columnType class="net.java.amateras.db.dialect.ColumnType">
-            <name>INT</name>
-            <logicalName>整数</logicalName>
+            <name>BOOLEAN</name>
+            <logicalName>真偽値</logicalName>
            <supportSize>false</supportSize>
-            <type>4</type>
+            <type>16</type>
          </columnType>
          <size>10</size>
          <notNull>true</notNull>
          <primaryKey>false</primaryKey>
-          <description>0:Normal 1:Administrator</description>
+          <description></description>
          <autoIncrement>false</autoIncrement>
          <defaultValue>0</defaultValue>
        </net.java.amateras.db.visual.model.ColumnModel>
@@ -1157,6 +1590,33 @@
          <autoIncrement>false</autoIncrement>
          <defaultValue></defaultValue>
        </net.java.amateras.db.visual.model.ColumnModel>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>IMAGE</columnName>
+          <logicalName>Image</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[5]/columnType"/>
+          <size>100</size>
+          <notNull>false</notNull>
+          <primaryKey>false</primaryKey>
+          <description>Since 1.3</description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue></defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>GROUP_ACCOUNT</columnName>
+          <logicalName>Group Account</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType">
+            <name>BOOLEAN</name>
+            <logicalName>真偽値</logicalName>
+            <supportSize>false</supportSize>
+            <type>16</type>
+          </columnType>
+          <size>10</size>
+          <notNull>true</notNull>
+          <primaryKey>false</primaryKey>
+          <description>Since 1.4</description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue>FALSE</defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
      </columns>
      <indices>
        <net.java.amateras.db.visual.model.IndexModel>
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+    <net.java.amateras.db.visual.model.TableModel reference="../net.java.amateras.db.visual.model.TableModel/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[6]/source"/>
+    <net.java.amateras.db.visual.model.TableModel reference="../net.java.amateras.db.visual.model.TableModel/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[7]/source"/>
+    <net.java.amateras.db.visual.model.TableModel reference="../net.java.amateras.db.visual.model.TableModel/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[6]/source"/>
+    <net.java.amateras.db.visual.model.TableModel>
+      <listeners serialization="custom">
+        <java.beans.PropertyChangeSupport>
+          <default>
+            <source class="net.java.amateras.db.visual.model.TableModel" reference="../../../.."/>
+            <propertyChangeSupportSerializedDataVersion>2</propertyChangeSupportSerializedDataVersion>
+          </default>
+          <null/>
+        </java.beans.PropertyChangeSupport>
+      </listeners>
+      <constraint>
+        <height>-1</height>
+        <width>-1</width>
+        <x>410</x>
+        <y>860</y>
+      </constraint>
+      <sourceConnections/>
+      <targetConnections/>
+      <error></error>
+      <linkedPath></linkedPath>
+      <tableName>ISSUE_OUTLINE_VIEW</tableName>
+      <logicalName>Issue Outline View</logicalName>
+      <description>Since 1.4</description>
+      <columns>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>USER_NAME</columnName>
+          <logicalName>User Name</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../net.java.amateras.db.visual.model.TableModel/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[5]/columnType"/>
+          <size>100</size>
+          <notNull>false</notNull>
+          <primaryKey>false</primaryKey>
+          <description></description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue></defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>REPOSITORY_NAME</columnName>
+          <logicalName>Repository Name</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../../../net.java.amateras.db.visual.model.TableModel/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/source/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/sourceConnections/net.java.amateras.db.visual.model.ForeignKeyModel[2]/target/targetConnections/net.java.amateras.db.visual.model.ForeignKeyModel/source/columns/net.java.amateras.db.visual.model.ColumnModel[5]/columnType"/>
+          <size>100</size>
+          <notNull>false</notNull>
+          <primaryKey>false</primaryKey>
+          <description></description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue></defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>ISSUE_ID</columnName>
+          <logicalName>Issue ID</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType">
+            <name>INT</name>
+            <logicalName>整数</logicalName>
+            <supportSize>false</supportSize>
+            <type>4</type>
+          </columnType>
+          <size>10</size>
+          <notNull>false</notNull>
+          <primaryKey>false</primaryKey>
+          <description></description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue></defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
+        <net.java.amateras.db.visual.model.ColumnModel>
+          <columnName>COMMENT_COUNT</columnName>
+          <logicalName>Comment Count</logicalName>
+          <columnType class="net.java.amateras.db.dialect.ColumnType" reference="../../net.java.amateras.db.visual.model.ColumnModel[3]/columnType"/>
+          <size>10</size>
+          <notNull>false</notNull>
+          <primaryKey>false</primaryKey>
+          <description></description>
+          <autoIncrement>false</autoIncrement>
+          <defaultValue></defaultValue>
+        </net.java.amateras.db.visual.model.ColumnModel>
+      </columns>
+      <indices/>
+      <backgroundColor>
+        <red>210</red>
+        <green>232</green>
+        <blue>249</blue>
+      </backgroundColor>
+      <sql></sql>
+    </net.java.amateras.db.visual.model.TableModel>
  </children>
  <dommains/>
  <dialectName>H2</dialectName>
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--- a/lib/scalatra-forms_2.10-0.0.1.jar
+++ b/lib/scalatra-forms_2.10-0.0.1.jar
--- a/project/build.scala
+++ b/project/build.scala
@@ -2,6 +2,7 @@ import sbt._
 import Keys._
 import org.scalatra.sbt._
 import org.scalatra.sbt.PluginKeys._
+import sbt.ScalaVersion
 import twirl.sbt.TwirlPlugin._
 import com.typesafe.sbteclipse.plugin.EclipsePlugin.EclipseKeys

@@ -10,7 +11,7 @@ object MyBuild extends Build {
  val Name = "gitbucket"
  val Version = "0.0.1"
  val ScalaVersion = "2.10.1"
-  val ScalatraVersion = "2.2.0"
+  val ScalatraVersion = "2.2.1"

  lazy val project = Project (
    "gitbucket",
@@ -20,24 +21,31 @@ object MyBuild extends Build {
      name := Name,
      version := Version,
      scalaVersion := ScalaVersion,
-      resolvers += Classpaths.typesafeReleases,
+      resolvers ++= Seq(
+        Classpaths.typesafeReleases,
+        "amateras-repo" at "http://amateras.sourceforge.jp/mvn/"
+      ),
      libraryDependencies ++= Seq(
        "org.eclipse.jgit" % "org.eclipse.jgit.http.server" % "3.0.0.201306101825-r",
-        "org.apache.commons" % "commons-io" % "1.3.2",
        "org.scalatra" %% "scalatra" % ScalatraVersion,
        "org.scalatra" %% "scalatra-specs2" % ScalatraVersion % "test",
        "org.scalatra" %% "scalatra-json" % ScalatraVersion,
        "org.json4s" %% "json4s-jackson" % "3.2.4",
+        "jp.sf.amateras" %% "scalatra-forms" % "0.0.2",
        "commons-io" % "commons-io" % "2.4",
        "org.pegdown" % "pegdown" % "1.3.0",
        "org.apache.commons" % "commons-compress" % "1.5",
+        "org.apache.commons" % "commons-email" % "1.3.1",
+        "org.apache.httpcomponents" % "httpclient" % "4.2.5",
        "com.typesafe.slick" %% "slick" % "1.0.1",
+        "com.novell.ldap" % "jldap" % "2009-10-07",
        "com.h2database" % "h2" % "1.3.171",
        "ch.qos.logback" % "logback-classic" % "1.0.6" % "runtime",
-        "org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container",
+        "org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container;provided",
        "org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" % "container;provided;test" artifacts (Artifact("javax.servlet", "jar", "jar"))
      ),
-      EclipseKeys.withSource := true
+      EclipseKeys.withSource := true,
+      packageOptions += Package.MainClass("JettyLauncher")
    ) ++ seq(Twirl.settings: _*)
  )
 }
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,7 +1,7 @@
-addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.1.2")
+addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.2.0")

-addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.2.0")
+addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.5.1")

-addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.2.0")
+addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.3.0")

 addSbtPlugin("io.spray" % "sbt-twirl" % "0.6.1")
--- a/sbt.sh
+++ b/sbt.sh
@@ -0,0 +1 @@
+java -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"
--- a/src/main/java/JettyLauncher.java
+++ b/src/main/java/JettyLauncher.java
@@ -0,0 +1,39 @@
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.webapp.WebAppContext;
+
+import java.net.URL;
+import java.security.ProtectionDomain;
+
+public class JettyLauncher {
+    public static void main(String[] args) throws Exception {
+        int port = 8080;
+        String contextPath = "/";
+
+        for(String arg: args){
+            if(arg.startsWith("--") && arg.contains("=")){
+                String[] dim = arg.split("=");
+                if(dim.length >= 2){
+                    if(dim[0].equals("--port")){
+                        port = Integer.parseInt(dim[1]);
+                    } else if(dim[0].equals("--prefix")){
+                        contextPath = dim[1];
+                    }
+                }
+            }
+        }
+
+        Server server = new Server(port);
+        WebAppContext context  = new WebAppContext();
+        ProtectionDomain domain   = JettyLauncher.class.getProtectionDomain();
+        URL location = domain.getCodeSource().getLocation();
+
+        context.setContextPath(contextPath);
+        context.setDescriptor(location.toExternalForm() + "/WEB-INF/web.xml");
+        context.setServer(server);
+        context.setWar(location.toExternalForm());
+
+        server.setHandler(context);
+        server.start();
+        server.join();
+    }
+}
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -1,4 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
-  <logger name="scala.slick" level="INFO" />
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <root level="INFO">
+    <appender-ref ref="STDOUT" />
+  </root>
+  
+  <!--
+  <logger name="service.WebHookService" level="DEBUG" />
+  <logger name="servlet" level="DEBUG" />
+  -->
 </configuration>
--- a/src/main/resources/noimage.png
+++ b/src/main/resources/noimage.png
--- a/src/main/resources/update/1_4.sql
+++ b/src/main/resources/update/1_4.sql
@@ -0,0 +1,24 @@
+CREATE TABLE GROUP_MEMBER(
+  GROUP_NAME VARCHAR(100) NOT NULL,
+  USER_NAME  VARCHAR(100) NOT NULL
+);
+
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_PK PRIMARY KEY (GROUP_NAME, USER_NAME);
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_FK0 FOREIGN KEY (GROUP_NAME) REFERENCES ACCOUNT (USER_NAME);
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_FK1 FOREIGN KEY (USER_NAME) REFERENCES ACCOUNT (USER_NAME);
+
+ALTER TABLE ACCOUNT ADD COLUMN GROUP_ACCOUNT BOOLEAN NOT NULL DEFAULT FALSE;
+
+CREATE OR REPLACE VIEW ISSUE_OUTLINE_VIEW AS
+ SELECT
+   A.USER_NAME,
+   A.REPOSITORY_NAME,
+   A.ISSUE_ID,
+   NVL(B.COMMENT_COUNT, 0) AS COMMENT_COUNT
+ FROM ISSUE A
+ LEFT OUTER JOIN (
+   SELECT USER_NAME, REPOSITORY_NAME, ISSUE_ID, COUNT(COMMENT_ID) AS COMMENT_COUNT FROM ISSUE_COMMENT
+   WHERE ACTION IN ('comment', 'close_comment', 'reopen_comment')
+   GROUP BY USER_NAME, REPOSITORY_NAME, ISSUE_ID
+ ) B
+ ON (A.USER_NAME = B.USER_NAME AND A.REPOSITORY_NAME = B.REPOSITORY_NAME AND A.ISSUE_ID = B.ISSUE_ID);
--- a/src/main/resources/update/1_5.sql
+++ b/src/main/resources/update/1_5.sql
@@ -0,0 +1,21 @@
+ALTER TABLE REPOSITORY ADD COLUMN ORIGIN_USER_NAME VARCHAR(100);
+ALTER TABLE REPOSITORY ADD COLUMN ORIGIN_REPOSITORY_NAME VARCHAR(100);
+ALTER TABLE REPOSITORY ADD COLUMN PARENT_USER_NAME VARCHAR(100);
+ALTER TABLE REPOSITORY ADD COLUMN PARENT_REPOSITORY_NAME VARCHAR(100);
+
+CREATE TABLE PULL_REQUEST(
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		ISSUE_ID INT NOT NULL,
+		BRANCH VARCHAR(100) NOT NULL,
+		REQUEST_USER_NAME VARCHAR(100) NOT NULL,
+		REQUEST_REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		REQUEST_BRANCH VARCHAR(100) NOT NULL,
+		COMMIT_ID_FROM VARCHAR(40) NOT NULL,
+		COMMIT_ID_TO VARCHAR(40) NOT NULL
+);
+
+ALTER TABLE PULL_REQUEST ADD CONSTRAINT IDX_PULL_REQUEST_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
+ALTER TABLE PULL_REQUEST ADD CONSTRAINT IDX_PULL_REQUEST_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME, ISSUE_ID) REFERENCES ISSUE (USER_NAME, REPOSITORY_NAME, ISSUE_ID);
+
+ALTER TABLE ISSUE ADD COLUMN PULL_REQUEST BOOLEAN NOT NULL DEFAULT FALSE;
--- a/src/main/resources/update/1_6.sql
+++ b/src/main/resources/update/1_6.sql
@@ -0,0 +1,8 @@
+CREATE TABLE WEB_HOOK (
+		USER_NAME VARCHAR(100) NOT NULL,
+		REPOSITORY_NAME VARCHAR(100) NOT NULL,
+		URL VARCHAR(200) NOT NULL
+);
+
+ALTER TABLE WEB_HOOK ADD CONSTRAINT IDX_WEB_HOOK_PK PRIMARY KEY (USER_NAME, REPOSITORY_NAME, URL);
+ALTER TABLE WEB_HOOK ADD CONSTRAINT IDX_WEB_HOOK_FK0 FOREIGN KEY (USER_NAME, REPOSITORY_NAME) REFERENCES REPOSITORY (USER_NAME, REPOSITORY_NAME);
--- a/src/main/scala/ScalatraBootstrap.scala
+++ b/src/main/scala/ScalatraBootstrap.scala
@@ -5,8 +5,10 @@ import javax.servlet._
 class ScalatraBootstrap extends LifeCycle {
  override def init(context: ServletContext) {
    context.mount(new IndexController, "/")
+    context.mount(new SearchController, "/")
    context.mount(new FileUploadController, "/upload")
    context.mount(new SignInController, "/*")
+    context.mount(new DashboardController, "/*")
    context.mount(new UserManagementController, "/*")
    context.mount(new SystemSettingsController, "/*")
    context.mount(new CreateRepositoryController, "/*")
@@ -16,6 +18,7 @@ class ScalatraBootstrap extends LifeCycle {
    context.mount(new LabelsController, "/*")
    context.mount(new MilestonesController, "/*")
    context.mount(new IssuesController, "/*")
+    context.mount(new PullRequestsController, "/*")
    context.mount(new RepositorySettingsController, "/*")

    val dir = new java.io.File(_root_.util.Directory.GitBucketHome)
--- a/src/main/scala/app/AccountController.scala
+++ b/src/main/scala/app/AccountController.scala
@@ -1,11 +1,10 @@
 package app

 import service._
-import util.{FileUtil, FileUploadUtil, OneselfAuthenticator}
+import util.{FileUtil, OneselfAuthenticator}
 import util.StringUtil._
 import util.Directory._
 import jp.sf.amateras.scalatra.forms._
-import org.apache.commons.io.FileUtils
 import org.scalatra.FlashMapSupport

 class AccountController extends AccountControllerBase
@@ -43,12 +42,23 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
   */
  get("/:userName") {
    val userName = params("userName")
-    getAccountByUserName(userName).map { x =>
+    getAccountByUserName(userName).map { account =>
      params.getOrElse("tab", "repositories") match {
        // Public Activity
-        case "activity" => account.html.activity(x, getActivitiesByUser(userName, true))
+        case "activity" =>
+          _root_.account.html.activity(account,
+            if(account.isGroupAccount) Nil else getGroupsByUserName(userName),
+            getActivitiesByUser(userName, true))
+
+        // Members
+        case "members" if(account.isGroupAccount) =>
+          _root_.account.html.members(account, getGroupMembers(account.userName))
+
        // Repositories
-        case _ => account.html.repositories(x, getVisibleRepositories(userName, baseUrl, context.loginAccount.map(_.userName)))
+        case _ =>
+          _root_.account.html.repositories(account,
+            if(account.isGroupAccount) Nil else getGroupsByUserName(userName),
+            getVisibleRepositories(context.loginAccount, baseUrl, Some(userName)))
      }
    } getOrElse NotFound
  }
--- a/src/main/scala/app/ControllerBase.scala
+++ b/src/main/scala/app/ControllerBase.scala
@@ -1,7 +1,9 @@
 package app

 import _root_.util.Directory._
-import _root_.util.{FileUploadUtil, FileUtil, Validations}
+import _root_.util.Implicits._
+import _root_.util.ControlUtil._
+import _root_.util.{FileUtil, Validations, Keys}
 import org.scalatra._
 import org.scalatra.json._
 import org.json4s._
@@ -10,7 +12,9 @@ import org.apache.commons.io.FileUtils
 import model.Account
 import scala.Some
 import service.AccountService
-import javax.servlet.http.HttpServletRequest
+import javax.servlet.http.{HttpServletResponse, HttpSession, HttpServletRequest}
+import java.text.SimpleDateFormat
+import javax.servlet.{FilterChain, ServletResponse, ServletRequest}

 /**
 * Provides generic features for controller implementations.
@@ -20,73 +24,94 @@ abstract class ControllerBase extends ScalatraFilter

  implicit val jsonFormats = DefaultFormats

+  // Don't set content type via Accept header.
+  override def format(implicit request: HttpServletRequest) = ""
+
+  override def doFilter(request: ServletRequest, response: ServletResponse, chain: FilterChain) {
+    val httpRequest  = request.asInstanceOf[HttpServletRequest]
+    val httpResponse = response.asInstanceOf[HttpServletResponse]
+    val context      = request.getServletContext.getContextPath
+    val path         = httpRequest.getRequestURI.substring(context.length)
+
+    if(path.startsWith("/console/")){
+      val account = httpRequest.getSession.getAttribute(Keys.Session.LoginAccount).asInstanceOf[Account]
+      if(account == null){
+        // Redirect to login form
+        httpResponse.sendRedirect(context + "/signin?" + path)
+      } else if(account.isAdmin){
+        // H2 Console (administrators only)
+        chain.doFilter(request, response)
+      } else {
+        // Redirect to dashboard
+        httpResponse.sendRedirect(context + "/")
+      }
+    } else if(path.startsWith("/git/")){
+      // Git repository
+      chain.doFilter(request, response)
+    } else {
+      // Scalatra actions
+      super.doFilter(request, response, chain)
+    }
+  }
+
  /**
   * Returns the context object for the request.
   */
  implicit def context: Context = Context(servletContext.getContextPath, LoginAccount, currentURL, request)

-  private def currentURL: String = {
-    val queryString = request.getQueryString
+  private def currentURL: String = defining(request.getQueryString){ queryString =>
    request.getRequestURI + (if(queryString != null) "?" + queryString else "")
  }

-  private def LoginAccount: Option[Account] = {
-    session.get("LOGIN_ACCOUNT") match {
-      case Some(x: Account) => Some(x)
-      case _ => None
-    }
-  }
+  private def LoginAccount: Option[Account] = session.getAs[Account](Keys.Session.LoginAccount)

-  def ajaxGet(path : String)(action : => Any) : Route = {
+  def ajaxGet(path : String)(action : => Any) : Route =
    super.get(path){
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
      action
    }
-  }

-  override def ajaxGet[T](path : String, form : MappingValueType[T])(action : T => Any) : Route = {
+  override def ajaxGet[T](path : String, form : MappingValueType[T])(action : T => Any) : Route =
    super.ajaxGet(path, form){ form =>
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
      action(form)
    }
-  }

-  def ajaxPost(path : String)(action : => Any) : Route = {
+  def ajaxPost(path : String)(action : => Any) : Route =
    super.post(path){
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
      action
    }
-  }

-  override def ajaxPost[T](path : String, form : MappingValueType[T])(action : T => Any) : Route = {
+  override def ajaxPost[T](path : String, form : MappingValueType[T])(action : T => Any) : Route =
    super.ajaxPost(path, form){ form =>
-      request.setAttribute("AJAX", "true")
+      request.setAttribute(Keys.Request.Ajax, "true")
      action(form)
    }
-  }

-  protected def NotFound() = {
-    if(request.getAttribute("AJAX") == null){
-      org.scalatra.NotFound(html.error("Not Found"))
-    } else {
+  protected def NotFound() =
+    if(request.hasAttribute(Keys.Request.Ajax)){
      org.scalatra.NotFound()
+    } else {
+      org.scalatra.NotFound(html.error("Not Found"))
    }
-  }

-  protected def Unauthorized()(implicit context: app.Context) = {
-    if(request.getAttribute("AJAX") == null){
+  protected def Unauthorized()(implicit context: app.Context) =
+    if(request.hasAttribute(Keys.Request.Ajax)){
+      org.scalatra.Unauthorized()
+    } else {
      if(context.loginAccount.isDefined){
        org.scalatra.Unauthorized(redirect("/"))
      } else {
-        org.scalatra.Unauthorized(redirect("/signin?" + currentURL))
+        if(request.getMethod.toUpperCase == "POST"){
+          org.scalatra.Unauthorized(redirect("/signin"))
+        } else {
+          org.scalatra.Unauthorized(redirect("/signin?redirect=" + currentURL))
+        }
      }
-    } else {
-      org.scalatra.Unauthorized()
    }
-  }

-  protected def baseUrl = {
-    val url = request.getRequestURL.toString
+  protected def baseUrl = defining(request.getRequestURL.toString){ url =>
    url.substring(0, url.length - (request.getRequestURI.length - request.getContextPath.length))
  }

@@ -97,28 +122,36 @@ abstract class ControllerBase extends ScalatraFilter
 */
 case class Context(path: String, loginAccount: Option[Account], currentUrl: String, request: HttpServletRequest){

+  def redirectUrl = if(request.getParameter("redirect") != null){
+    request.getParameter("redirect")
+  } else {
+    currentUrl
+  }
+
  /**
   * Get object from cache.
   *
   * If object has not been cached with the specified key then retrieves by given action.
   * Cached object are available during a request.
   */
-  def cache[A](key: String)(action: => A): A = {
-    Option(request.getAttribute("cache." + key).asInstanceOf[A]).getOrElse {
-      val newObject = action
-      request.setAttribute("cache." + key, newObject)
-      newObject
+  def cache[A](key: String)(action: => A): A =
+    defining(Keys.Request.Cache(key)){ cacheKey =>
+      Option(request.getAttribute(cacheKey).asInstanceOf[A]).getOrElse {
+        val newObject = action
+        request.setAttribute(cacheKey, newObject)
+        newObject
+      }
    }
-  }

 }

 /**
 * Base trait for controllers which manages account information.
 */
-trait AccountManagementControllerBase extends ControllerBase { self: AccountService =>
+trait AccountManagementControllerBase extends ControllerBase with FileUploadControllerBase {
+  self: AccountService  =>

-  protected def updateImage(userName: String, fileId: Option[String], clearImage: Boolean): Unit = {
+  protected def updateImage(userName: String, fileId: Option[String], clearImage: Boolean): Unit =
    if(clearImage){
      getAccountByUserName(userName).flatMap(_.image).map { image =>
        new java.io.File(getUserUploadDir(userName), image).delete()
@@ -126,26 +159,50 @@ trait AccountManagementControllerBase extends ControllerBase { self: AccountServ
      }
    } else {
      fileId.map { fileId =>
-        val filename = "avatar." + FileUtil.getExtension(FileUploadUtil.getUploadedFilename(fileId).get)
+        val filename = "avatar." + FileUtil.getExtension(getUploadedFilename(fileId).get)
        FileUtils.moveFile(
-          FileUploadUtil.getTemporaryFile(fileId),
+          getTemporaryFile(fileId),
          new java.io.File(getUserUploadDir(userName), filename)
        )
        updateAvatarImage(userName, Some(filename))
      }
    }
-  }

  protected def uniqueUserName: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
      getAccountByUserName(value).map { _ => "User already exists." }
  }

  protected def uniqueMailAddress(paramName: String = ""): Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
      getAccountByMailAddress(value)
        .filter { x => if(paramName.isEmpty) true else Some(x.userName) != params.get(paramName) }
        .map    { _ => "Mail address is already registered." }
  }

+}
+
+/**
+ * Base trait for controllers which needs file uploading feature.
+ */
+trait FileUploadControllerBase {
+
+  def generateFileId: String =
+    new SimpleDateFormat("yyyyMMddHHmmSSsss").format(new java.util.Date(System.currentTimeMillis))
+
+  def TemporaryDir(implicit session: HttpSession): java.io.File =
+    new java.io.File(GitBucketHome, s"tmp/_upload/${session.getId}")
+
+  def getTemporaryFile(fileId: String)(implicit session: HttpSession): java.io.File =
+    new java.io.File(TemporaryDir, fileId)
+
+  //  def removeTemporaryFile(fileId: String)(implicit session: HttpSession): Unit =
+  //    getTemporaryFile(fileId).delete()
+
+  def removeTemporaryFiles()(implicit session: HttpSession): Unit =
+    FileUtils.deleteDirectory(TemporaryDir)
+
+  def getUploadedFilename(fileId: String)(implicit session: HttpSession): Option[String] =
+    session.getAndRemove[String](Keys.Session.Upload(fileId))
+
 }
--- a/src/main/scala/app/CreateRepositoryController.scala
+++ b/src/main/scala/app/CreateRepositoryController.scala
@@ -1,107 +1,198 @@
 package app

 import util.Directory._
-import util.{JGitUtil, UsersAuthenticator}
+import util.ControlUtil._
+import util._
 import service._
 import java.io.File
 import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib._
 import org.apache.commons.io._
 import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.lib.PersonIdent
+import scala.Some

 class CreateRepositoryController extends CreateRepositoryControllerBase
  with RepositoryService with AccountService with WikiService with LabelsService with ActivityService
-  with UsersAuthenticator
+  with UsersAuthenticator with ReadableUsersAuthenticator

 /**
 * Creates new repository.
 */
 trait CreateRepositoryControllerBase extends ControllerBase {
-  self: RepositoryService with WikiService with LabelsService with ActivityService
-    with UsersAuthenticator =>
+  self: RepositoryService with AccountService with WikiService with LabelsService with ActivityService
+    with UsersAuthenticator with ReadableUsersAuthenticator =>

-  case class RepositoryCreationForm(name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
+  case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)

-  val form = mapping(
+  case class ForkRepositoryForm(owner: String, name: String)
+
+  val newForm = mapping(
+    "owner"        -> trim(label("Owner"          , text(required, maxlength(40), identifier, existsAccount))),
    "name"         -> trim(label("Repository name", text(required, maxlength(40), identifier, unique))),
    "description"  -> trim(label("Description"    , optional(text()))),
    "isPrivate"    -> trim(label("Repository Type", boolean())),
    "createReadme" -> trim(label("Create README"  , boolean()))
  )(RepositoryCreationForm.apply)

+  val forkForm = mapping(
+    "owner" -> trim(label("Repository owner", text(required))),
+    "name"  -> trim(label("Repository name",  text(required)))
+  )(ForkRepositoryForm.apply)
+
  /**
   * Show the new repository form.
   */
  get("/new")(usersOnly {
-    html.newrepo()
+    html.newrepo(getGroupsByUserName(context.loginAccount.get.userName))
  })
  
  /**
   * Create new repository.
   */
-  post("/new", form)(usersOnly { form =>
-    val loginAccount  = context.loginAccount.get
-    val loginUserName = loginAccount.userName
+  post("/new", newForm)(usersOnly { form =>
+    LockUtil.lock(s"${form.owner}/${form.name}/create"){
+      if(getRepository(form.owner, form.name, baseUrl).isEmpty){
+        val ownerAccount  = getAccountByUserName(form.owner).get
+        val loginAccount  = context.loginAccount.get
+        val loginUserName = loginAccount.userName

-    // Insert to the database at first
-    createRepository(form.name, loginUserName, form.description, form.isPrivate)
+        // Insert to the database at first
+        createRepository(form.name, form.owner, form.description, form.isPrivate)

-    // Insert default labels
-    createLabel(loginUserName, form.name, "bug", "fc2929")
-    createLabel(loginUserName, form.name, "duplicate", "cccccc")
-    createLabel(loginUserName, form.name, "enhancement", "84b6eb")
-    createLabel(loginUserName, form.name, "invalid", "e6e6e6")
-    createLabel(loginUserName, form.name, "question", "cc317c")
-    createLabel(loginUserName, form.name, "wontfix", "ffffff")
+        // Add collaborators for group repository
+        if(ownerAccount.isGroupAccount){
+          getGroupMembers(form.owner).foreach { userName =>
+            addCollaborator(form.owner, form.name, userName)
+          }
+        }

-    // Create the actual repository
-    val gitdir = getRepositoryDir(loginUserName, form.name)
-    JGitUtil.initRepository(gitdir)
+        // Insert default labels
+        insertDefaultLabels(form.owner, form.name)

-    if(form.createReadme){
-      val tmpdir = getInitRepositoryDir(loginUserName, form.name)
-      try {
-        // Clone the repository
-        Git.cloneRepository.setURI(gitdir.toURI.toString).setDirectory(tmpdir).call
+        // Create the actual repository
+        val gitdir = getRepositoryDir(form.owner, form.name)
+        JGitUtil.initRepository(gitdir)

-        // Create README.md
-        FileUtils.writeStringToFile(new File(tmpdir, "README.md"),
-          if(form.description.nonEmpty){
-            form.name + "\n" +
-            "===============\n" +
-            "\n" +
-            form.description.get
-          } else {
-            form.name + "\n" +
-            "===============\n"
-          }, "UTF-8")
+        if(form.createReadme){
+          val tmpdir = getInitRepositoryDir(form.owner, form.name)
+          try {
+            // Clone the repository
+            Git.cloneRepository.setURI(gitdir.toURI.toString).setDirectory(tmpdir).call

-        val git = Git.open(tmpdir)
-        git.add.addFilepattern("README.md").call
-        git.commit.setMessage("Initial commit").call
-        git.push.call
+            // Create README.md
+            FileUtils.writeStringToFile(new File(tmpdir, "README.md"),
+              if(form.description.nonEmpty){
+                form.name + "\n" +
+                  "===============\n" +
+                  "\n" +
+                  form.description.get
+              } else {
+                form.name + "\n" +
+                  "===============\n"
+              }, "UTF-8")

-      } finally {
-        FileUtils.deleteDirectory(tmpdir)
+            val git = Git.open(tmpdir)
+            git.add.addFilepattern("README.md").call
+            git.commit
+              .setCommitter(new PersonIdent(loginUserName, loginAccount.mailAddress))
+              .setMessage("Initial commit").call
+            git.push.call
+
+          } finally {
+            FileUtils.deleteDirectory(tmpdir)
+          }
+        }
+
+        // Create Wiki repository
+        createWikiRepository(loginAccount, form.owner, form.name)
+
+        // Record activity
+        recordCreateRepositoryActivity(form.owner, form.name, loginUserName)
      }
+
+      // redirect to the repository
+      redirect(s"/${form.owner}/${form.name}")
    }
-
-    // Create Wiki repository
-    createWikiRepository(loginAccount, form.name)
-
-    // Record activity
-    recordCreateRepositoryActivity(loginUserName, form.name, loginUserName)
-
-    // redirect to the repository
-    redirect(s"/${loginUserName}/${form.name}")
  })
-  
+
+  get("/:owner/:repository/fork")(readableUsersOnly { repository =>
+    val loginAccount   = context.loginAccount.get
+    val loginUserName  = loginAccount.userName
+
+    LockUtil.lock(s"${loginUserName}/${repository.name}/create"){
+      if(getRepository(loginUserName, repository.name, baseUrl).isEmpty){
+        // Insert to the database at first
+        val originUserName = repository.repository.originUserName.getOrElse(repository.owner)
+        val originRepositoryName = repository.repository.originRepositoryName.getOrElse(repository.name)
+
+        createRepository(
+          repositoryName       = repository.name,
+          userName             = loginUserName,
+          description          = repository.repository.description,
+          isPrivate            = repository.repository.isPrivate,
+          originRepositoryName = Some(originRepositoryName),
+          originUserName       = Some(originUserName),
+          parentRepositoryName = Some(repository.name),
+          parentUserName       = Some(repository.owner)
+        )
+
+        // Insert default labels
+        insertDefaultLabels(loginUserName, repository.name)
+
+        // clone repository actually
+        JGitUtil.cloneRepository(
+          getRepositoryDir(repository.owner, repository.name),
+          getRepositoryDir(loginUserName, repository.name))
+
+        // Create Wiki repository
+        JGitUtil.cloneRepository(
+          getWikiRepositoryDir(repository.owner, repository.name),
+          getWikiRepositoryDir(loginUserName, repository.name))
+
+        // insert commit id
+        using(Git.open(getRepositoryDir(loginUserName, repository.name))){ git =>
+          JGitUtil.getRepositoryInfo(loginUserName, repository.name, baseUrl).branchList.foreach { branch =>
+            JGitUtil.getCommitLog(git, branch) match {
+              case Right((commits, _)) => commits.foreach { commit =>
+                if(!existsCommitId(loginUserName, repository.name, commit.id)){
+                  insertCommitId(loginUserName, repository.name, commit.id)
+                }
+              }
+              case Left(_) => ???
+            }
+          }
+        }
+
+        // Record activity
+        recordForkActivity(repository.owner, repository.name, loginUserName)
+      }
+      // redirect to the repository
+      redirect("/%s/%s".format(loginUserName, repository.name))
+    }
+  })
+
+  private def insertDefaultLabels(userName: String, repositoryName: String): Unit = {
+    createLabel(userName, repositoryName, "bug", "fc2929")
+    createLabel(userName, repositoryName, "duplicate", "cccccc")
+    createLabel(userName, repositoryName, "enhancement", "84b6eb")
+    createLabel(userName, repositoryName, "invalid", "e6e6e6")
+    createLabel(userName, repositoryName, "question", "cc317c")
+    createLabel(userName, repositoryName, "wontfix", "ffffff")
+  }
+
+  private def existsAccount: Constraint = new Constraint(){
+    override def validate(name: String, value: String): Option[String] =
+      if(getAccountByUserName(value).isEmpty) Some("User or group does not exist.") else None
+  }
+
  /**
   * Duplicate check for the repository name.
   */
  private def unique: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
-      getRepositoryNamesOfUser(context.loginAccount.get.userName).find(_ == value).map(_ => "Repository already exists.")
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
+      params.get("owner").flatMap { userName =>
+        getRepositoryNamesOfUser(userName).find(_ == value).map(_ => "Repository already exists.")
+      }
  }
  
-}
+}
--- a/src/main/scala/app/DashboardController.scala
+++ b/src/main/scala/app/DashboardController.scala
@@ -0,0 +1,113 @@
+package app
+
+import service._
+import util.{UsersAuthenticator, Keys}
+import util.Implicits._
+
+class DashboardController extends DashboardControllerBase
+  with IssuesService with PullRequestService with RepositoryService with AccountService
+  with UsersAuthenticator
+
+trait DashboardControllerBase extends ControllerBase {
+  self: IssuesService with PullRequestService with RepositoryService with UsersAuthenticator =>
+
+  get("/dashboard/issues/repos")(usersOnly {
+    searchIssues("all")
+  })
+
+  get("/dashboard/issues/assigned")(usersOnly {
+    searchIssues("assigned")
+  })
+
+  get("/dashboard/issues/created_by")(usersOnly {
+    searchIssues("created_by")
+  })
+
+  get("/dashboard/pulls")(usersOnly {
+    searchPullRequests("created_by", None)
+  })
+
+  get("/dashboard/pulls/owned")(usersOnly {
+    searchPullRequests("created_by", None)
+  })
+
+  get("/dashboard/pulls/public")(usersOnly {
+    searchPullRequests("not_created_by", None)
+  })
+
+  get("/dashboard/pulls/for/:owner/:repository")(usersOnly {
+    searchPullRequests("all", Some(params("owner") + "/" + params("repository")))
+  })
+
+  private def searchIssues(filter: String) = {
+    import IssuesService._
+
+    // condition
+    val condition = session.putAndGet(Keys.Session.DashboardIssues,
+      if(request.hasQueryString) IssueSearchCondition(request)
+      else session.getAs[IssueSearchCondition](Keys.Session.DashboardIssues).getOrElse(IssueSearchCondition())
+    )
+
+    val userName = context.loginAccount.get.userName
+    val repositories = getUserRepositories(userName, baseUrl).map(repo => repo.owner -> repo.name)
+    val filterUser = Map(filter -> userName)
+    val page = IssueSearchCondition.page(request)
+    // 
+    dashboard.html.issues(
+        issues.html.listparts(
+            searchIssue(condition, filterUser, false, (page - 1) * IssueLimit, IssueLimit, repositories: _*),
+            page,
+            countIssue(condition.copy(state = "open"), filterUser, false, repositories: _*),
+            countIssue(condition.copy(state = "closed"), filterUser, false, repositories: _*),
+            condition),
+        countIssue(condition, Map.empty, false, repositories: _*),
+        countIssue(condition, Map("assigned" -> userName), false, repositories: _*),
+        countIssue(condition, Map("created_by" -> userName), false, repositories: _*),
+        countIssueGroupByRepository(condition, filterUser, false, repositories: _*),
+        condition,
+        filter)    
+    
+  }
+
+  private def searchPullRequests(filter: String, repository: Option[String]) = {
+    import IssuesService._
+    import PullRequestService._
+
+    // condition
+    val condition = session.putAndGet(Keys.Session.DashboardPulls, {
+      if(request.hasQueryString) IssueSearchCondition(request)
+      else session.getAs[IssueSearchCondition](Keys.Session.DashboardPulls).getOrElse(IssueSearchCondition())
+    }.copy(repo = repository))
+
+    val userName = context.loginAccount.get.userName
+    val repositories = getUserRepositories(userName, baseUrl).map(repo => repo.owner -> repo.name)
+    val filterUser = Map(filter -> userName)
+    val page = IssueSearchCondition.page(request)
+
+    val counts = countIssueGroupByRepository(
+      IssueSearchCondition().copy(state = condition.state), Map.empty, true, repositories: _*)
+
+    getRepositoryNamesOfUser(userName).map { repoName =>
+      (userName, repoName, counts.collectFirst { case (_, repoName, count) => count })
+    }
+
+    dashboard.html.pulls(
+      pulls.html.listparts(
+        searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, repositories: _*),
+        page,
+        countIssue(condition.copy(state = "open"), filterUser, true, repositories: _*),
+        countIssue(condition.copy(state = "closed"), filterUser, true, repositories: _*),
+        condition,
+        None,
+        false),
+      getPullRequestCountGroupByUser(condition.state == "closed", userName, None),
+      getRepositoryNamesOfUser(userName).map { RepoName =>
+        (userName, RepoName, counts.collectFirst { case (_, RepoName, count) => count }.getOrElse(0))
+      }.sortBy(_._3).reverse,
+      condition,
+      filter)
+
+  }
+
+
+}
--- a/src/main/scala/app/FileUploadController.scala
+++ b/src/main/scala/app/FileUploadController.scala
@@ -1,6 +1,7 @@
 package app

-import util.{FileUtil, FileUploadUtil}
+import _root_.util.{Keys, FileUtil}
+import util.ControlUtil._
 import org.scalatra._
 import org.scalatra.servlet.{MultipartConfig, FileUploadSupport}
 import org.apache.commons.io.FileUtils
@@ -9,18 +10,18 @@ import org.apache.commons.io.FileUtils
 * Provides Ajax based file upload functionality.
 *
 * This servlet saves uploaded file as temporary file and returns the unique id.
- * You can get uploaded file using [[util.FileUploadUtil#getTemporaryFile()]] with this id.
+ * You can get uploaded file using [[app.FileUploadControllerBase#getTemporaryFile()]] with this id.
 */
-// TODO Remove temporary files at session timeout by session listener.
-class FileUploadController extends ScalatraServlet with FileUploadSupport with FlashMapSupport {
+class FileUploadController extends ScalatraServlet
+  with FileUploadSupport with FlashMapSupport with FileUploadControllerBase {
+
  configureMultipartHandling(MultipartConfig(maxFileSize = Some(3 * 1024 * 1024)))

  post("/image"){
    fileParams.get("file") match {
-      case Some(file) if(FileUtil.isImage(file.name)) => {
-        val fileId  = FileUploadUtil.generateFileId
-        FileUtils.writeByteArrayToFile(FileUploadUtil.getTemporaryFile(fileId), file.get)
-        session += "upload_" + fileId -> file.name
+      case Some(file) if(FileUtil.isImage(file.name)) => defining(generateFileId){ fileId =>
+        FileUtils.writeByteArrayToFile(getTemporaryFile(fileId), file.get)
+        session += Keys.Session.Upload(fileId) -> file.name
        Ok(fileId)
      }
      case None => BadRequest
--- a/src/main/scala/app/IndexController.scala
+++ b/src/main/scala/app/IndexController.scala
@@ -1,21 +1,38 @@
 package app

+import util._
 import service._
+import jp.sf.amateras.scalatra.forms._

 class IndexController extends IndexControllerBase 
-  with RepositoryService with AccountService with SystemSettingsService with ActivityService
+  with RepositoryService with SystemSettingsService with ActivityService with AccountService
+with UsersAuthenticator
+
+trait IndexControllerBase extends ControllerBase {
+  self: RepositoryService with SystemSettingsService with ActivityService with AccountService
+  with UsersAuthenticator =>

-trait IndexControllerBase extends ControllerBase { self: RepositoryService 
-  with SystemSettingsService with ActivityService =>
-  
  get("/"){
    val loginAccount = context.loginAccount

    html.index(getRecentActivities(),
-      getAccessibleRepositories(loginAccount, baseUrl),
+      getVisibleRepositories(loginAccount, baseUrl),
      loadSystemSettings(),
-      loginAccount.map{ account => getRepositoryNamesOfUser(account.userName) }.getOrElse(Nil)
+      loginAccount.map{ account => getUserRepositories(account.userName, baseUrl) }.getOrElse(Nil)
    )
  }

-}
+  /**
+   * JSON API for collaborator completion.
+   *
+   * TODO Move to other controller?
+   */
+  get("/_user/proposals")(usersOnly {
+    contentType = formats("json")
+    org.json4s.jackson.Serialization.write(
+      Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray)
+    )
+  })
+
+
+}
--- a/src/main/scala/app/IssuesController.scala
+++ b/src/main/scala/app/IssuesController.scala
@@ -4,7 +4,9 @@ import jp.sf.amateras.scalatra.forms._

 import service._
 import IssuesService._
-import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, ReadableUsersAuthenticator}
+import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, ReadableUsersAuthenticator, Notifier, Keys}
+import util.Implicits._
+import util.ControlUtil._
 import org.scalatra.Ok

 class IssuesController extends IssuesControllerBase
@@ -57,98 +59,100 @@ trait IssuesControllerBase extends ControllerBase {
  })

  get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
-    val owner   = repository.owner
-    val name    = repository.name
-    val issueId = params("id")
-
-    getIssue(owner, name, issueId) map {
-      issues.html.issue(
+    defining(repository.owner, repository.name, params("id")){ case (owner, name, issueId) =>
+      getIssue(owner, name, issueId) map {
+        issues.html.issue(
          _,
          getComments(owner, name, issueId.toInt),
          getIssueLabels(owner, name, issueId.toInt),
+          (getCollaborators(owner, name) :+ owner).sorted,
+          getMilestonesWithIssueCount(owner, name),
+          getLabels(owner, name),
+          hasWritePermission(owner, name, context.loginAccount),
+          repository)
+      } getOrElse NotFound
+    }
+  })
+
+  get("/:owner/:repository/issues/new")(readableUsersOnly { repository =>
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      issues.html.create(
          (getCollaborators(owner, name) :+ owner).sorted,
          getMilestones(owner, name),
          getLabels(owner, name),
          hasWritePermission(owner, name, context.loginAccount),
          repository)
-    } getOrElse NotFound
-  })
-
-  get("/:owner/:repository/issues/new")(readableUsersOnly { repository =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    issues.html.create(
-        (getCollaborators(owner, name) :+ owner).sorted,
-        getMilestones(owner, name),
-        getLabels(owner, name),
-        hasWritePermission(owner, name, context.loginAccount),
-        repository)
+    }
  })

  post("/:owner/:repository/issues/new", issueCreateForm)(readableUsersOnly { (form, repository) =>
-    val owner    = repository.owner
-    val name     = repository.name
-    val writable = hasWritePermission(owner, name, context.loginAccount)
-    val userName = context.loginAccount.get.userName
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      val writable = hasWritePermission(owner, name, context.loginAccount)
+      val userName = context.loginAccount.get.userName

-    // insert issue
-    val issueId = createIssue(owner, name, userName, form.title, form.content,
-      if(writable) form.assignedUserName else None,
-      if(writable) form.milestoneId else None)
+      // insert issue
+      val issueId = createIssue(owner, name, userName, form.title, form.content,
+        if(writable) form.assignedUserName else None,
+        if(writable) form.milestoneId else None)

-    // insert labels
-    if(writable){
-      form.labelNames.map { value =>
-        val labels = getLabels(owner, name)
-        value.split(",").foreach { labelName =>
-          labels.find(_.labelName == labelName).map { label =>
-            registerIssueLabel(owner, name, issueId, label.labelId)
+      // insert labels
+      if(writable){
+        form.labelNames.map { value =>
+          val labels = getLabels(owner, name)
+          value.split(",").foreach { labelName =>
+            labels.find(_.labelName == labelName).map { label =>
+              registerIssueLabel(owner, name, issueId, label.labelId)
+            }
          }
        }
      }
+
+      // record activity
+      recordCreateIssueActivity(owner, name, userName, issueId, form.title)
+
+      // notifications
+      Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
+        Notifier.msgIssue(s"${baseUrl}/${owner}/${name}/issues/${issueId}")
+      }
+
+      redirect(s"/${owner}/${name}/issues/${issueId}")
    }
-
-    // record activity
-    recordCreateIssueActivity(owner, name, userName, issueId, form.title)
-
-    redirect(s"/${owner}/${name}/issues/${issueId}")
  })

  ajaxPost("/:owner/:repository/issues/edit/:id", issueEditForm)(readableUsersOnly { (form, repository) =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    getIssue(owner, name, params("id")).map { issue =>
-      if(isEditable(owner, name, issue.openedUserName)){
-        updateIssue(owner, name, issue.issueId, form.title, form.content)
-        redirect(s"/${owner}/${name}/issues/_data/${issue.issueId}")
-      } else Unauthorized
-    } getOrElse NotFound
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getIssue(owner, name, params("id")).map { issue =>
+        if(isEditable(owner, name, issue.openedUserName)){
+          updateIssue(owner, name, issue.issueId, form.title, form.content)
+          redirect(s"/${owner}/${name}/issues/_data/${issue.issueId}")
+        } else Unauthorized
+      } getOrElse NotFound
+    }
  })

  post("/:owner/:repository/issue_comments/new", commentForm)(readableUsersOnly { (form, repository) =>
-    handleComment(form.issueId, Some(form.content), repository)() map { id =>
-      redirect(s"/${repository.owner}/${repository.name}/issues/${form.issueId}#comment-${id}")
+    handleComment(form.issueId, Some(form.content), repository)() map { case (issue, id) =>
+      redirect(s"/${repository.owner}/${repository.name}/${
+        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
    } getOrElse NotFound
  })

  post("/:owner/:repository/issue_comments/state", issueStateForm)(readableUsersOnly { (form, repository) =>
-    handleComment(form.issueId, form.content, repository)() map { id =>
-      redirect(s"/${repository.owner}/${repository.name}/issues/${form.issueId}#comment-${id}")
+    handleComment(form.issueId, form.content, repository)() map { case (issue, id) =>
+      redirect(s"/${repository.owner}/${repository.name}/${
+        if(issue.isPullRequest) "pull" else "issues"}/${form.issueId}#comment-${id}")
    } getOrElse NotFound
  })

  ajaxPost("/:owner/:repository/issue_comments/edit/:id", commentForm)(readableUsersOnly { (form, repository) =>
-    val owner = repository.owner
-    val name  = repository.name
-
-    getComment(owner, name, params("id")).map { comment =>
-      if(isEditable(owner, name, comment.commentedUserName)){
-        updateComment(comment.commentId, form.content)
-        redirect(s"/${owner}/${name}/issue_comments/_data/${comment.commentId}")
-      } else Unauthorized
-    } getOrElse NotFound
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      getComment(owner, name, params("id")).map { comment =>
+        if(isEditable(owner, name, comment.commentedUserName)){
+          updateComment(comment.commentId, form.content)
+          redirect(s"/${owner}/${name}/issue_comments/_data/${comment.commentId}")
+        } else Unauthorized
+      } getOrElse NotFound
+    }
  })

  ajaxGet("/:owner/:repository/issues/_data/:id")(readableUsersOnly { repository =>
@@ -187,17 +191,17 @@ trait IssuesControllerBase extends ControllerBase {
  })

  ajaxPost("/:owner/:repository/issues/:id/label/new")(collaboratorsOnly { repository =>
-    val issueId = params("id").toInt
-
-    registerIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-    issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    defining(params("id").toInt){ issueId =>
+      registerIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
+      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    }
  })

  ajaxPost("/:owner/:repository/issues/:id/label/delete")(collaboratorsOnly { repository =>
-    val issueId = params("id").toInt
-
-    deleteIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
-    issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    defining(params("id").toInt){ issueId =>
+      deleteIssueLabel(repository.owner, repository.name, issueId, params("labelId").toInt)
+      issues.html.labellist(getIssueLabels(repository.owner, repository.name, issueId))
+    }
  })

  ajaxPost("/:owner/:repository/issues/:id/assign")(collaboratorsOnly { repository =>
@@ -207,40 +211,45 @@ trait IssuesControllerBase extends ControllerBase {

  ajaxPost("/:owner/:repository/issues/:id/milestone")(collaboratorsOnly { repository =>
    updateMilestoneId(repository.owner, repository.name, params("id").toInt, milestoneId("milestoneId"))
-    Ok("updated")
+    milestoneId("milestoneId").map { milestoneId =>
+      getMilestonesWithIssueCount(repository.owner, repository.name)
+          .find(_._1.milestoneId == milestoneId).map { case (_, openCount, closeCount) =>
+        issues.milestones.html.progress(openCount + closeCount, closeCount, false)
+      } getOrElse NotFound
+    } getOrElse Ok()
  })

  post("/:owner/:repository/issues/batchedit/state")(collaboratorsOnly { repository =>
-    val action = params.get("value")
-
-    executeBatch(repository) {
-      handleComment(_, None, repository)( _ => action)
+    defining(params.get("value")){ action =>
+      executeBatch(repository) {
+        handleComment(_, None, repository)( _ => action)
+      }
    }
  })

  post("/:owner/:repository/issues/batchedit/label")(collaboratorsOnly { repository =>
-    val labelId = params("value").toInt
-
-    executeBatch(repository) { issueId =>
-      getIssueLabel(repository.owner, repository.name, issueId, labelId) getOrElse {
-        registerIssueLabel(repository.owner, repository.name, issueId, labelId)
+    defining(params("value").toInt){ labelId =>
+      executeBatch(repository) { issueId =>
+        getIssueLabel(repository.owner, repository.name, issueId, labelId) getOrElse {
+          registerIssueLabel(repository.owner, repository.name, issueId, labelId)
+        }
      }
    }
  })

  post("/:owner/:repository/issues/batchedit/assign")(collaboratorsOnly { repository =>
-    val value = assignedUserName("value")
-
-    executeBatch(repository) {
-      updateAssignedUserName(repository.owner, repository.name, _, value)
+    defining(assignedUserName("value")){ value =>
+      executeBatch(repository) {
+        updateAssignedUserName(repository.owner, repository.name, _, value)
+      }
    }
  })

  post("/:owner/:repository/issues/batchedit/milestone")(collaboratorsOnly { repository =>
-    val value = milestoneId("value")
-
-    executeBatch(repository) {
-      updateMilestoneId(repository.owner, repository.name, _, value)
+    defining(milestoneId("value")){ value =>
+      executeBatch(repository) {
+        updateMilestoneId(repository.owner, repository.name, _, value)
+      }
    }
  })

@@ -256,79 +265,94 @@ trait IssuesControllerBase extends ControllerBase {
  }

  /**
-   * @see 
+   * @see [[https://github.com/takezoe/gitbucket/wiki/CommentAction]]
   */
  private def handleComment(issueId: Int, content: Option[String], repository: RepositoryService.RepositoryInfo)
      (getAction: model.Issue => Option[String] =
           p1 => params.get("action").filter(_ => isEditable(p1.userName, p1.repositoryName, p1.openedUserName))) = {
-    val owner    = repository.owner
-    val name     = repository.name
-    val userName = context.loginAccount.get.userName

-    getIssue(owner, name, issueId.toString) map { issue =>
-      val (action, recordActivity) =
-        getAction(issue)
-          .collect {
-            case "close"  => true  -> (Some("close")  -> Some(recordCloseIssueActivity _))
-            case "reopen" => false -> (Some("reopen") -> Some(recordReopenIssueActivity _))
+    defining(repository.owner, repository.name){ case (owner, name) =>
+      val userName = context.loginAccount.get.userName
+
+      getIssue(owner, name, issueId.toString) map { issue =>
+        val (action, recordActivity) =
+          getAction(issue)
+            .collect {
+            case "close"  => true  -> (Some("close")  ->
+              Some(if(issue.isPullRequest) recordClosePullRequestActivity _ else recordCloseIssueActivity _))
+            case "reopen" => false -> (Some("reopen") ->
+              Some(recordReopenIssueActivity _))
          }
-          .map { case (closed, t) =>
+            .map { case (closed, t) =>
            updateClosed(owner, name, issueId, closed)
            t
          }
-          .getOrElse(None -> None)
+            .getOrElse(None -> None)

-      val commentId = content
+        val commentId = content
          .map       ( _ -> action.map( _ + "_comment" ).getOrElse("comment") )
          .getOrElse ( action.get.capitalize -> action.get )
-          match {
-            case (content, action) => createComment(owner, name, userName, issueId, content, action)
-          }
+        match {
+          case (content, action) => createComment(owner, name, userName, issueId, content, action)
+        }

-      // record activity
-      content foreach ( recordCommentIssueActivity(owner, name, userName, issueId, _) )
-      recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )
+        // record activity
+        content foreach {
+          (if(issue.isPullRequest) recordCommentPullRequestActivity _ else recordCommentIssueActivity _)
+          (owner, name, userName, issueId, _)
+        }
+        recordActivity foreach ( _ (owner, name, userName, issueId, issue.title) )

-      commentId
+        // notifications
+        Notifier() match {
+          case f =>
+            content foreach {
+              f.toNotify(repository, issueId, _){
+                Notifier.msgComment(s"${baseUrl}/${owner}/${name}/${
+                  if(issue.isPullRequest) "pull" else "issues"}/${issueId}#comment-${commentId}")
+              }
+            }
+            action foreach {
+              f.toNotify(repository, issueId, _){
+                Notifier.msgStatus(s"${baseUrl}/${owner}/${name}/issues/${issueId}")
+              }
+            }
+        }
+
+        issue -> commentId
+      }
    }
  }

  private def searchIssues(filter: String, repository: RepositoryService.RepositoryInfo) = {
-    val owner      = repository.owner
-    val repoName   = repository.name
-    val userName   = if(filter != "all") Some(params("userName")) else None
-    val sessionKey = s"${owner}/${repoName}/issues"
+    defining(repository.owner, repository.name){ case (owner, repoName) =>
+      val filterUser = Map(filter -> params.getOrElse("userName", ""))
+      val page       = IssueSearchCondition.page(request)
+      val sessionKey = Keys.Session.Issues(owner, repoName)

-    val page = try {
-      val i = params.getOrElse("page", "1").toInt
-      if(i <= 0) 1 else i
-    } catch {
-      case e: NumberFormatException => 1
+      // retrieve search condition
+      val condition = session.putAndGet(sessionKey,
+        if(request.hasQueryString) IssueSearchCondition(request)
+        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
+      )
+
+      issues.html.list(
+          searchIssue(condition, filterUser, false, (page - 1) * IssueLimit, IssueLimit, owner -> repoName),
+          page,
+          (getCollaborators(owner, repoName) :+ owner).sorted,
+          getMilestones(owner, repoName),
+          getLabels(owner, repoName),
+          countIssue(condition.copy(state = "open"), filterUser, false, owner -> repoName),
+          countIssue(condition.copy(state = "closed"), filterUser, false, owner -> repoName),
+          countIssue(condition, Map.empty, false, owner -> repoName),
+          context.loginAccount.map(x => countIssue(condition, Map("assigned" -> x.userName), false, owner -> repoName)),
+          context.loginAccount.map(x => countIssue(condition, Map("created_by" -> x.userName), false, owner -> repoName)),
+          countIssueGroupByLabels(owner, repoName, condition, filterUser),
+          condition,
+          filter,
+          repository,
+          hasWritePermission(owner, repoName, context.loginAccount))
    }
-
-    // retrieve search condition
-    val condition = if(request.getQueryString == null){
-      session.get(sessionKey).getOrElse(IssueSearchCondition()).asInstanceOf[IssueSearchCondition]
-    } else IssueSearchCondition(request)
-
-    session.put(sessionKey, condition)
-
-    issues.html.list(
-        searchIssue(owner, repoName, condition, filter, userName, (page - 1) * IssueLimit, IssueLimit),
-        page,
-        (getCollaborators(owner, repoName) :+ owner).sorted,
-        getMilestones(owner, repoName).filter(_.closedDate.isEmpty),
-        getLabels(owner, repoName),
-        countIssue(owner, repoName, condition.copy(state = "open"), filter, userName),
-        countIssue(owner, repoName, condition.copy(state = "closed"), filter, userName),
-        countIssue(owner, repoName, condition, "all", None),
-        context.loginAccount.map(x => countIssue(owner, repoName, condition, "assigned", Some(x.userName))),
-        context.loginAccount.map(x => countIssue(owner, repoName, condition, "created_by", Some(x.userName))),
-        countIssueGroupByLabels(owner, repoName, condition, filter, userName),
-        condition,
-        filter,
-        repository,
-        hasWritePermission(owner, repoName, context.loginAccount))
  }

 }
--- a/src/main/scala/app/LabelsController.scala
+++ b/src/main/scala/app/LabelsController.scala
@@ -51,7 +51,7 @@ trait LabelsControllerBase extends ControllerBase {
   * Constraint for the identifier such as user name, repository name or page name.
   */
  private def labelName: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
      if(!value.matches("^[^,]+$")){
        Some(s"${name} contains invalid character.")
      } else if(value.startsWith("_") || value.startsWith("-")){
--- a/src/main/scala/app/MilestonesController.scala
+++ b/src/main/scala/app/MilestonesController.scala
@@ -3,7 +3,7 @@ package app
 import jp.sf.amateras.scalatra.forms._

 import service._
-import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, UsersAuthenticator}
+import util.{CollaboratorsAuthenticator, ReferrerAuthenticator}

 class MilestonesController extends MilestonesControllerBase
  with MilestonesService with RepositoryService with AccountService
--- a/src/main/scala/app/PullRequestsController.scala
+++ b/src/main/scala/app/PullRequestsController.scala
@@ -0,0 +1,419 @@
+package app
+
+import util.{LockUtil, CollaboratorsAuthenticator, JGitUtil, ReferrerAuthenticator, Notifier, Keys}
+import util.Directory._
+import util.Implicits._
+import util.ControlUtil._
+import service._
+import org.eclipse.jgit.api.Git
+import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.transport.RefSpec
+import org.apache.commons.io.FileUtils
+import scala.collection.JavaConverters._
+import org.eclipse.jgit.lib.PersonIdent
+import org.eclipse.jgit.api.MergeCommand.FastForwardMode
+import service.IssuesService._
+import service.PullRequestService._
+import util.JGitUtil.DiffInfo
+import scala.Some
+import service.RepositoryService.RepositoryTreeNode
+import util.JGitUtil.CommitInfo
+
+class PullRequestsController extends PullRequestsControllerBase
+  with RepositoryService with AccountService with IssuesService with PullRequestService with MilestonesService with ActivityService
+  with ReferrerAuthenticator with CollaboratorsAuthenticator
+
+trait PullRequestsControllerBase extends ControllerBase {
+  self: RepositoryService with IssuesService with MilestonesService with ActivityService with PullRequestService
+    with ReferrerAuthenticator with CollaboratorsAuthenticator =>
+
+  val pullRequestForm = mapping(
+    "title"           -> trim(label("Title"  , text(required, maxlength(100)))),
+    "content"         -> trim(label("Content", optional(text()))),
+    "targetUserName"  -> trim(text(required, maxlength(100))),
+    "targetBranch"    -> trim(text(required, maxlength(100))),
+    "requestUserName" -> trim(text(required, maxlength(100))),
+    "requestBranch"   -> trim(text(required, maxlength(100))),
+    "commitIdFrom"    -> trim(text(required, maxlength(40))),
+    "commitIdTo"      -> trim(text(required, maxlength(40)))
+  )(PullRequestForm.apply)
+
+  val mergeForm = mapping(
+    "message" -> trim(label("Message", text(required)))
+  )(MergeForm.apply)
+
+  case class PullRequestForm(
+    title: String,
+    content: Option[String],
+    targetUserName: String,
+    targetBranch: String,
+    requestUserName: String,
+    requestBranch: String,
+    commitIdFrom: String,
+    commitIdTo: String)
+
+  case class MergeForm(message: String)
+
+  get("/:owner/:repository/pulls")(referrersOnly { repository =>
+    searchPullRequests(None, repository)
+  })
+
+  get("/:owner/:repository/pulls/:userName")(referrersOnly { repository =>
+    searchPullRequests(Some(params("userName")), repository)
+  })
+
+  get("/:owner/:repository/pull/:id")(referrersOnly { repository =>
+    defining(repository.owner, repository.name, params("id").toInt){ case (owner, name, issueId) =>
+      getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
+        using(Git.open(getRepositoryDir(owner, name))){ git =>
+          val (commits, diffs) =
+            getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
+
+          pulls.html.pullreq(
+            issue, pullreq,
+            getComments(owner, name, issueId.toInt),
+            (getCollaborators(owner, name) :+ owner).sorted,
+            getMilestonesWithIssueCount(owner, name),
+            commits,
+            diffs,
+            hasWritePermission(owner, name, context.loginAccount),
+            repository)
+        }
+      } getOrElse NotFound
+    }
+  })
+
+  ajaxGet("/:owner/:repository/pull/:id/mergeguide")(collaboratorsOnly { repository =>
+    defining(repository.owner, repository.name, params("id").toInt){ case (owner, name, issueId) =>
+      getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
+        pulls.html.mergeguide(
+          checkConflict(owner, name, pullreq.branch, owner, name, pullreq.requestBranch),
+          pullreq,
+          s"${baseUrl}${context.path}/git/${pullreq.requestUserName}/${pullreq.requestRepositoryName}.git")
+      } getOrElse NotFound()
+    }
+  })
+
+  post("/:owner/:repository/pull/:id/merge", mergeForm)(collaboratorsOnly { (form, repository) =>
+    defining(repository.owner, repository.name, params("id").toInt){ case (owner, name, issueId) =>
+      LockUtil.lock(s"${owner}/${name}/merge"){
+        getPullRequest(owner, name, issueId).map { case (issue, pullreq) =>
+          val remote = getRepositoryDir(owner, name)
+          val tmpdir = new java.io.File(getTemporaryDir(owner, name), s"merge-${issueId}")
+          val git = Git.cloneRepository.setDirectory(tmpdir).setURI(remote.toURI.toString).setBranch(pullreq.branch).call
+
+          try {
+            // mark issue as merged and close.
+            val loginAccount = context.loginAccount.get
+            createComment(owner, name, loginAccount.userName, issueId, form.message, "merge")
+            createComment(owner, name, loginAccount.userName, issueId, "Close", "close")
+            updateClosed(owner, name, issueId, true)
+
+            // record activity
+            recordMergeActivity(owner, name, loginAccount.userName, issueId, form.message)
+
+            // fetch pull request to temporary working repository
+            val pullRequestBranchName = s"gitbucket-pullrequest-${issueId}"
+
+            git.fetch
+              .setRemote(getRepositoryDir(owner, name).toURI.toString)
+              .setRefSpecs(new RefSpec(s"refs/pull/${issueId}/head:refs/heads/${pullRequestBranchName}")).call
+
+            // merge pull request
+            git.checkout.setName(pullreq.branch).call
+
+            val result = git.merge
+              .include(git.getRepository.resolve(pullRequestBranchName))
+              .setFastForward(FastForwardMode.NO_FF)
+              .setCommit(false)
+              .call
+
+            if(result.getConflicts != null){
+              throw new RuntimeException("This pull request can't merge automatically.")
+            }
+
+            // merge commit
+            git.getRepository.writeMergeCommitMsg(
+              s"Merge pull request #${issueId} from ${pullreq.requestUserName}/${pullreq.requestRepositoryName}\n"
+              + form.message)
+
+            git.commit
+              .setCommitter(new PersonIdent(loginAccount.userName, loginAccount.mailAddress))
+              .call
+
+            // push
+            git.push.call
+
+            val (commits, _) = getRequestCompareInfo(owner, name, pullreq.commitIdFrom,
+              pullreq.requestUserName, pullreq.requestRepositoryName, pullreq.commitIdTo)
+
+            commits.flatten.foreach { commit =>
+              if(!existsCommitId(owner, name, commit.id)){
+                insertCommitId(owner, name, commit.id)
+              }
+            }
+
+            // notifications
+            Notifier().toNotify(repository, issueId, "merge"){
+              Notifier.msgStatus(s"${baseUrl}/${owner}/${name}/pull/${issueId}")
+            }
+
+            redirect(s"/${owner}/${name}/pull/${issueId}")
+
+          } finally {
+            git.getRepository.close
+            FileUtils.deleteDirectory(tmpdir)
+          }
+        } getOrElse NotFound
+      }
+    }
+  })
+
+  get("/:owner/:repository/compare")(referrersOnly { forkedRepository =>
+    (forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
+      case (Some(originUserName), Some(originRepositoryName)) => {
+        getRepository(originUserName, originRepositoryName, baseUrl).map { originRepository =>
+          using(
+            Git.open(getRepositoryDir(originUserName, originRepositoryName)),
+            Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
+          ){ (oldGit, newGit) =>
+            val oldBranch = JGitUtil.getDefaultBranch(oldGit, originRepository).get._2
+            val newBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository).get._2
+
+            redirect(s"${context.path}/${forkedRepository.owner}/${forkedRepository.name}/compare/${originUserName}:${oldBranch}...${newBranch}")
+          }
+        } getOrElse NotFound
+      }
+      case _ => {
+        using(Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))){ git =>
+          val defaultBranch = JGitUtil.getDefaultBranch(git, forkedRepository).get._2
+          redirect(s"${context.path}/${forkedRepository.owner}/${forkedRepository.name}/compare/${defaultBranch}...${defaultBranch}")
+        }
+      }
+    }
+  })
+
+  get("/:owner/:repository/compare/*...*")(referrersOnly { repository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, repository.owner)
+    val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, repository.owner)
+
+    (getRepository(originOwner, repository.name, baseUrl),
+     getRepository(forkedOwner, repository.name, baseUrl)) match {
+      case (Some(originRepository), Some(forkedRepository)) => {
+        using(
+          Git.open(getRepositoryDir(originOwner, repository.name)),
+          Git.open(getRepositoryDir(forkedOwner, repository.name))
+        ){ case (oldGit, newGit) =>
+          val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
+          val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
+
+          val forkedId = getForkedCommitId(oldGit, newGit,
+            originOwner, repository.name, originBranch,
+            forkedOwner, repository.name, forkedBranch)
+
+          val oldId = oldGit.getRepository.resolve(forkedId)
+          val newId = newGit.getRepository.resolve(forkedBranch)
+
+          val (commits, diffs) = getRequestCompareInfo(
+            originOwner, repository.name, oldId.getName,
+            forkedOwner, repository.name, newId.getName)
+
+          pulls.html.compare(
+            commits,
+            diffs,
+            repository.repository.originUserName.map { userName =>
+              userName :: getForkedRepositories(userName, repository.name)
+            } getOrElse List(repository.owner),
+            originBranch,
+            forkedBranch,
+            oldId.getName,
+            newId.getName,
+            repository,
+            originRepository,
+            forkedRepository,
+            hasWritePermission(repository.owner, repository.name, context.loginAccount))
+        }
+      }
+      case _ => NotFound
+    }
+  })
+
+  ajaxGet("/:owner/:repository/compare/*...*/mergecheck")(collaboratorsOnly { repository =>
+    val Seq(origin, forked) = multiParams("splat")
+    val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, repository.owner)
+    val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, repository.owner)
+
+    (getRepository(originOwner, repository.name, baseUrl),
+      getRepository(forkedOwner, repository.name, baseUrl)) match {
+      case (Some(originRepository), Some(forkedRepository)) => {
+        using(
+          Git.open(getRepositoryDir(originOwner, repository.name)),
+          Git.open(getRepositoryDir(forkedOwner, repository.name))
+        ){ case (oldGit, newGit) =>
+          val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
+          val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
+
+          pulls.html.mergecheck(
+            checkConflict(originOwner, repository.name, originBranch, forkedOwner, repository.name, forkedBranch))
+        }
+      }
+      case _ => NotFound()
+    }
+  })
+
+  post("/:owner/:repository/pulls/new", pullRequestForm)(referrersOnly { (form, repository) =>
+    val loginUserName = context.loginAccount.get.userName
+
+    val issueId = createIssue(
+      owner            = repository.owner,
+      repository       = repository.name,
+      loginUser        = loginUserName,
+      title            = form.title,
+      content          = form.content,
+      assignedUserName = None,
+      milestoneId      = None,
+      isPullRequest    = true)
+
+    createPullRequest(
+      originUserName        = repository.owner,
+      originRepositoryName  = repository.name,
+      issueId               = issueId,
+      originBranch          = form.targetBranch,
+      requestUserName       = form.requestUserName,
+      requestRepositoryName = repository.name,
+      requestBranch         = form.requestBranch,
+      commitIdFrom          = form.commitIdFrom,
+      commitIdTo            = form.commitIdTo)
+
+    // fetch requested branch
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      git.fetch
+        .setRemote(getRepositoryDir(form.requestUserName, repository.name).toURI.toString)
+        .setRefSpecs(new RefSpec(s"refs/heads/${form.requestBranch}:refs/pull/${issueId}/head"))
+        .call
+    }
+
+    // record activity
+    recordPullRequestActivity(repository.owner, repository.name, loginUserName, issueId, form.title)
+
+    // notifications
+    Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
+      Notifier.msgPullRequest(s"${baseUrl}/${repository.owner}/${repository.name}/pull/${issueId}")
+    }
+
+    redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
+  })
+
+  /**
+   * Checks whether conflict will be caused in merging. Returns true if conflict will be caused.
+   */
+  private def checkConflict(userName: String, repositoryName: String, branch: String,
+                            requestUserName: String, requestRepositoryName: String, requestBranch: String): Boolean = {
+    // TODO Are there more quick way?
+    LockUtil.lock(s"${userName}/${repositoryName}/merge-check"){
+      val remote = getRepositoryDir(userName, repositoryName)
+      val tmpdir = new java.io.File(getTemporaryDir(userName, repositoryName), "merge-check")
+      if(tmpdir.exists()){
+        FileUtils.deleteDirectory(tmpdir)
+      }
+
+      val git = Git.cloneRepository.setDirectory(tmpdir).setURI(remote.toURI.toString).setBranch(branch).call
+      try {
+        git.checkout.setName(branch).call
+
+        git.fetch
+          .setRemote(getRepositoryDir(requestUserName, requestRepositoryName).toURI.toString)
+          .setRefSpecs(new RefSpec(s"refs/heads/${branch}:refs/heads/${requestBranch}")).call
+
+        val result = git.merge
+          .include(git.getRepository.resolve("FETCH_HEAD"))
+          .setCommit(false).call
+
+        result.getConflicts != null
+
+      } finally {
+        git.getRepository.close
+        FileUtils.deleteDirectory(tmpdir)
+      }
+    }
+  }
+
+  /**
+   * Parses branch identifier and extracts owner and branch name as tuple.
+   *
+   * - "owner:branch" to ("owner", "branch")
+   * - "branch" to ("defaultOwner", "branch")
+   */
+  private def parseCompareIdentifie(value: String, defaultOwner: String): (String, String) =
+    if(value.contains(':')){
+      val array = value.split(":")
+      (array(0), array(1))
+    } else {
+      (defaultOwner, value)
+    }
+
+  /**
+   * Extracts all repository names from [[service.RepositoryService.RepositoryTreeNode]] as flat list.
+   */
+  private def getRepositoryNames(node: RepositoryTreeNode): List[String] =
+    node.owner :: node.children.map { child => getRepositoryNames(child) }.flatten
+
+  /**
+   * Returns the identifier of the root commit (or latest merge commit) of the specified branch.
+   */
+  private def getForkedCommitId(oldGit: Git, newGit: Git, userName: String, repositoryName: String, branch: String,
+      requestUserName: String, requestRepositoryName: String, requestBranch: String): String =
+    JGitUtil.getCommitLogs(newGit, requestBranch, true){ commit =>
+      existsCommitId(userName, repositoryName, commit.getName) &&
+        JGitUtil.getBranchesOfCommit(oldGit, commit.getName).contains(branch)
+    }.head.id
+
+  private def getRequestCompareInfo(userName: String, repositoryName: String, branch: String,
+      requestUserName: String, requestRepositoryName: String, requestCommitId: String): (Seq[Seq[CommitInfo]], Seq[DiffInfo]) = {
+
+    using(
+      Git.open(getRepositoryDir(userName, repositoryName)),
+      Git.open(getRepositoryDir(requestUserName, requestRepositoryName))
+    ){ (oldGit, newGit) =>
+      val oldId = oldGit.getRepository.resolve(branch)
+      val newId = newGit.getRepository.resolve(requestCommitId)
+
+      val commits = newGit.log.addRange(oldId, newId).call.iterator.asScala.map { revCommit =>
+        new CommitInfo(revCommit)
+      }.toList.splitWith{ (commit1, commit2) =>
+        view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
+      }
+
+      val diffs = JGitUtil.getDiffs(newGit, oldId.getName, newId.getName, true)
+
+      (commits, diffs)
+    }
+  }
+
+  private def searchPullRequests(userName: Option[String], repository: RepositoryService.RepositoryInfo) =
+    defining(repository.owner, repository.name){ case (owner, repoName) =>
+      val filterUser = userName.map { x => Map("created_by" -> x) } getOrElse Map("all" -> "")
+      val page       = IssueSearchCondition.page(request)
+      val sessionKey = Keys.Session.Pulls(owner, repoName)
+
+      // retrieve search condition
+      val condition = session.putAndGet(sessionKey,
+        if(request.hasQueryString) IssueSearchCondition(request)
+        else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
+      )
+
+      pulls.html.list(
+        searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, owner -> repoName),
+        getPullRequestCountGroupByUser(condition.state == "closed", owner, Some(repoName)),
+        userName,
+        page,
+        countIssue(condition.copy(state = "open"  ), filterUser, true, owner -> repoName),
+        countIssue(condition.copy(state = "closed"), filterUser, true, owner -> repoName),
+        countIssue(condition, Map.empty, true, owner -> repoName),
+        condition,
+        repository,
+        hasWritePermission(owner, repoName, context.loginAccount))
+    }
+
+}
--- a/src/main/scala/app/RepositorySettingsController.scala
+++ b/src/main/scala/app/RepositorySettingsController.scala
@@ -6,13 +6,20 @@ import util.{UsersAuthenticator, OwnerAuthenticator}
 import jp.sf.amateras.scalatra.forms._
 import org.apache.commons.io.FileUtils
 import org.scalatra.FlashMapSupport
+import service.WebHookService.WebHookPayload
+import util.JGitUtil.CommitInfo
+import util.ControlUtil._
+import org.eclipse.jgit.api.Git

 class RepositorySettingsController extends RepositorySettingsControllerBase
-  with RepositoryService with AccountService with OwnerAuthenticator with UsersAuthenticator
+  with RepositoryService with AccountService with WebHookService
+  with OwnerAuthenticator with UsersAuthenticator

 trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSupport {
-  self: RepositoryService with AccountService with OwnerAuthenticator with UsersAuthenticator =>
+  self: RepositoryService with AccountService with WebHookService
+    with OwnerAuthenticator with UsersAuthenticator =>

+  // for repository options
  case class OptionsForm(description: Option[String], defaultBranch: String, isPrivate: Boolean)
  
  val optionsForm = mapping(
@@ -20,13 +27,21 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
    "defaultBranch" -> trim(label("Default Branch" , text(required, maxlength(100)))),
    "isPrivate"     -> trim(label("Repository Type", boolean()))
  )(OptionsForm.apply)
-  
+
+  // for collaborator addition
  case class CollaboratorForm(userName: String)

  val collaboratorForm = mapping(
    "userName" -> trim(label("Username", text(required, collaborator)))
  )(CollaboratorForm.apply)

+  // for web hook url addition
+  case class WebHookForm(url: String)
+
+  val webHookForm = mapping(
+    "url" -> trim(label("url", text(required, webHook)))
+  )(WebHookForm.apply)
+
  /**
   * Redirect to the Options page.
   */
@@ -45,7 +60,15 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
   * Save the repository options.
   */
  post("/:owner/:repository/settings/options", optionsForm)(ownerOnly { (form, repository) =>
-    saveRepositoryOptions(repository.owner, repository.name, form.description, form.defaultBranch, form.isPrivate)
+    saveRepositoryOptions(
+      repository.owner,
+      repository.name,
+      form.description,
+      form.defaultBranch,
+      repository.repository.parentUserName.map { _ =>
+        repository.repository.isPrivate
+      } getOrElse form.isPrivate
+    )
    flash += "info" -> "Repository settings has been updated."
    redirect(s"/${repository.owner}/${repository.name}/settings/options")
  })
@@ -54,22 +77,19 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
   * Display the Collaborators page.
   */
  get("/:owner/:repository/settings/collaborators")(ownerOnly { repository =>
-    settings.html.collaborators(getCollaborators(repository.owner, repository.name), repository)
-  })
-
-  /**
-   * JSON API for collaborator completion.
-   */
-  get("/:owner/:repository/settings/collaborators/proposals")(usersOnly {
-    contentType = formats("json")
-    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.map(_.userName).toArray))
+    settings.html.collaborators(
+      getCollaborators(repository.owner, repository.name),
+      getAccountByUserName(repository.owner).get.isGroupAccount,
+      repository)
  })

  /**
   * Add the collaborator.
   */
  post("/:owner/:repository/settings/collaborators/add", collaboratorForm)(ownerOnly { (form, repository) =>
-    addCollaborator(repository.owner, repository.name, form.userName)
+    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
+      addCollaborator(repository.owner, repository.name, form.userName)
+    }
    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
  })

@@ -77,10 +97,59 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
   * Add the collaborator.
   */
  get("/:owner/:repository/settings/collaborators/remove")(ownerOnly { repository =>
-    removeCollaborator(repository.owner, repository.name, params("name"))
+    if(!getAccountByUserName(repository.owner).get.isGroupAccount){
+      removeCollaborator(repository.owner, repository.name, params("name"))
+    }
    redirect(s"/${repository.owner}/${repository.name}/settings/collaborators")
  })

+  /**
+   * Display the web hook page.
+   */
+  get("/:owner/:repository/settings/hooks")(ownerOnly { repository =>
+    settings.html.hooks(getWebHookURLs(repository.owner, repository.name), repository, flash.get("info"))
+  })
+
+  /**
+   * Add the web hook URL.
+   */
+  post("/:owner/:repository/settings/hooks/add", webHookForm)(ownerOnly { (form, repository) =>
+    addWebHookURL(repository.owner, repository.name, form.url)
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
+  /**
+   * Delete the web hook URL.
+   */
+  get("/:owner/:repository/settings/hooks/delete")(ownerOnly { repository =>
+    deleteWebHookURL(repository.owner, repository.name, params("url"))
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
+  /**
+   * Send the test request to registered web hook URLs.
+   */
+  get("/:owner/:repository/settings/hooks/test")(ownerOnly { repository =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      import scala.collection.JavaConverters._
+      val commits = git.log
+        .add(git.getRepository.resolve(repository.repository.defaultBranch))
+        .setMaxCount(3)
+        .call.iterator.asScala.map(new CommitInfo(_))
+
+      callWebHook(repository.owner, repository.name,
+        WebHookPayload(
+          git,
+          "refs/heads/" + repository.repository.defaultBranch,
+          repository,
+          commits.toList,
+          getAccountByUserName(repository.owner).get))
+
+      flash += "info" -> "Test payload deployed!"
+    }
+    redirect(s"/${repository.owner}/${repository.name}/settings/hooks")
+  })
+
  /**
   * Display the delete repository page.
   */
@@ -101,19 +170,25 @@ trait RepositorySettingsControllerBase extends ControllerBase with FlashMapSuppo
    redirect(s"/${repository.owner}")
  })

+  /**
+   * Provides duplication check for web hook url.
+   */
+  private def webHook: Constraint = new Constraint(){
+    override def validate(name: String, value: String): Option[String] =
+      getWebHookURLs(params("owner"), params("repository")).map(_.url).find(_ == value).map(_ => "URL had been registered already.")
+  }
+
  /**
   * Provides Constraint to validate the collaborator name.
   */
  private def collaborator: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] = {
-      val paths = request.getRequestURI.split("/")
+    override def validate(name: String, value: String): Option[String] =
      getAccountByUserName(value) match {
        case None => Some("User does not exist.")
-        case Some(x) if(x.userName == paths(1) || getCollaborators(paths(1), paths(2)).contains(x.userName))
+        case Some(x) if(x.userName == params("owner") || getCollaborators(params("owner"), params("repository")).contains(x.userName))
                  => Some("User can access this repository already.")
        case _    => None
      }
-    }
  }

 }
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -2,7 +2,8 @@ package app

 import util.Directory._
 import util.Implicits._
-import _root_.util.{ReferrerAuthenticator, JGitUtil, FileUtil}
+import util.ControlUtil._
+import _root_.util.{ReferrerAuthenticator, JGitUtil, FileUtil, StringUtil}
 import service._
 import org.scalatra._
 import java.io.File
@@ -37,49 +38,29 @@ trait RepositoryViewerControllerBase extends ControllerBase {
    fileList(_)
  })
  
-  /**
-   * Displays the file list of the repository root and the specified branch.
-   */
-  get("/:owner/:repository/tree/:id")(referrersOnly {
-    fileList(_, params("id"))
-  })
-  
  /**
   * Displays the file list of the specified path and branch.
   */
-  get("/:owner/:repository/tree/:id/*")(referrersOnly {
-    fileList(_, params("id"), multiParams("splat").head)
-  })
-  
-  /**
-   * Displays the commit list of the specified branch.
-   */
-  get("/:owner/:repository/commits/:branch")(referrersOnly { repository =>
-    val branchName = params("branch")
-    val page       = params.getOrElse("page", "1").toInt
-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
-      JGitUtil.getCommitLog(git, branchName, page, 30) match {
-        case Right((logs, hasNext)) =>
-          repo.html.commits(Nil, branchName, repository, logs.splitWith{ (commit1, commit2) =>
-            view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
-          }, page, hasNext)
-        case Left(_) => NotFound
-      }
+  get("/:owner/:repository/tree/*")(referrersOnly { repository =>
+    val (id, path) = splitPath(repository, multiParams("splat").head)
+    if(path.isEmpty){
+      fileList(repository, id)
+    } else {
+      fileList(repository, id, path)
    }
  })
  
  /**
   * Displays the commit list of the specified resource.
   */
-  get("/:owner/:repository/commits/:branch/*")(referrersOnly { repository =>
-    val branchName = params("branch")
-    val path       = multiParams("splat").head //.replaceFirst("^tree/.+?/", "")
-    val page       = params.getOrElse("page", "1").toInt
+  get("/:owner/:repository/commits/*")(referrersOnly { repository =>
+    val (branchName, path) = splitPath(repository, multiParams("splat").head)
+    val page = params.getOrElse("page", "1").toInt

-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
      JGitUtil.getCommitLog(git, branchName, page, 30, path) match {
        case Right((logs, hasNext)) =>
-          repo.html.commits(path.split("/").toList, branchName, repository,
+          repo.html.commits(if(path.isEmpty) Nil else path.split("/").toList, branchName, repository,
            logs.splitWith{ (commit1, commit2) =>
              view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
            }, page, hasNext)
@@ -91,12 +72,11 @@ trait RepositoryViewerControllerBase extends ControllerBase {
  /**
   * Displays the file content of the specified branch or commit.
   */
-  get("/:owner/:repository/blob/:id/*")(referrersOnly { repository =>
-    val id         = params("id") // branch name or commit id
-    val raw        = params.get("raw").getOrElse("false").toBoolean
-    val path       = multiParams("splat").head //.replaceFirst("^tree/.+?/", "")
+  get("/:owner/:repository/blob/*")(referrersOnly { repository =>
+    val (id, path) = splitPath(repository, multiParams("splat").head)
+    val raw = params.get("raw").getOrElse("false").toBoolean

-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))

      @scala.annotation.tailrec
@@ -105,19 +85,25 @@ trait RepositoryViewerControllerBase extends ControllerBase {
        case true => getPathObjectId(path, walk)
      }

-      val treeWalk = new TreeWalk(git.getRepository)
-      val objectId = try {
+      val objectId = using(new TreeWalk(git.getRepository)){ treeWalk =>
        treeWalk.addTree(revCommit.getTree)
        treeWalk.setRecursive(true)
        getPathObjectId(path, treeWalk)
-      } finally {
-        treeWalk.release
      }

      if(raw){
        // Download
-        contentType = "application/octet-stream"
-        JGitUtil.getContent(git, objectId, false).get
+        val mimeType = FileUtil.getMimeType(path)
+        val bytes = JGitUtil.getContent(git, objectId, false).get
+
+        contentType = if(mimeType == "application/octet-stream" && FileUtil.isText(bytes)){
+          "text/plain"
+        } else {
+          mimeType
+        }
+        //response.setHeader("Content-Disposition", s"inline; filename=${FileUtil.getFileName(path)}")
+        bytes
+
      } else {
        // Viewer
        val large  = FileUtil.isLarge(git.getRepository.getObjectDatabase.open(objectId).getSize)
@@ -127,7 +113,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
        val content = if(viewer == "other"){
          if(bytes.isDefined && FileUtil.isText(bytes.get)){
            // text
-            JGitUtil.ContentInfo("text", bytes.map(new String(_, "UTF-8")))
+            JGitUtil.ContentInfo("text", bytes.map(StringUtil.convertFromByteArray))
          } else {
            // binary
            JGitUtil.ContentInfo("binary", None)
@@ -148,22 +134,39 @@ trait RepositoryViewerControllerBase extends ControllerBase {
  get("/:owner/:repository/commit/:id")(referrersOnly { repository =>
    val id = params("id")

-    JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
-      val revCommit = JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))
-
-      repo.html.commit(id, new JGitUtil.CommitInfo(revCommit),
-        JGitUtil.getBranchesOfCommit(git, revCommit.getName), JGitUtil.getTagsOfCommit(git, revCommit.getName),
-        repository, JGitUtil.getDiffs(git, id))
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      defining(JGitUtil.getRevCommitFromId(git, git.getRepository.resolve(id))){ revCommit =>
+        JGitUtil.getDiffs(git, id) match { case (diffs, oldCommitId) =>
+          repo.html.commit(id, new JGitUtil.CommitInfo(revCommit),
+            JGitUtil.getBranchesOfCommit(git, revCommit.getName),
+            JGitUtil.getTagsOfCommit(git, revCommit.getName),
+            repository, diffs, oldCommitId)
+        }
+      }
    }
  })
  
+  /**
+   * Displays branches.
+   */
+  get("/:owner/:repository/branches")(referrersOnly { repository =>
+    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+      // retrieve latest update date of each branch
+      val branchInfo = repository.branchList.map { branchName =>
+        val revCommit = git.log.add(git.getRepository.resolve(branchName)).setMaxCount(1).call.iterator.next
+        (branchName, revCommit.getCommitterIdent.getWhen)
+      }
+      repo.html.branches(branchInfo, repository)
+    }
+  })
+
  /**
   * Displays tags.
   */
  get("/:owner/:repository/tags")(referrersOnly {
    repo.html.tags(_)
  })
-  
+
  /**
   * Download repository contents as an archive.
   */
@@ -180,7 +183,7 @@ trait RepositoryViewerControllerBase extends ControllerBase {
      
      // clone the repository
      val cloneDir = new File(workDir, revision)
-      JGitUtil.withGit(Git.cloneRepository
+      using(Git.cloneRepository
          .setURI(getRepositoryDir(repository.owner, repository.name).toURI.toString)
          .setDirectory(cloneDir)
          .call){ git =>
@@ -202,7 +205,29 @@ trait RepositoryViewerControllerBase extends ControllerBase {
      BadRequest
    }
  })
+
+  get("/:owner/:repository/network/members")(referrersOnly { repository =>
+    repo.html.forked(
+      getRepository(
+        repository.repository.originUserName.getOrElse(repository.owner),
+        repository.repository.originRepositoryName.getOrElse(repository.name),
+        baseUrl),
+      getForkedRepositories(
+        repository.repository.originUserName.getOrElse(repository.owner),
+        repository.repository.originRepositoryName.getOrElse(repository.name)),
+      repository)
+  })
  
+  private def splitPath(repository: service.RepositoryService.RepositoryInfo, path: String): (String, String) = {
+    val id = repository.branchList.collectFirst {
+      case branch if(path == branch || path.startsWith(branch + "/")) => branch
+    } orElse repository.tags.collectFirst {
+      case tag if(path == tag.name || path.startsWith(tag.name + "/")) => tag.name
+    } orElse Some(path.split("/")(0)) get
+
+    (id, path.substring(id.length).replaceFirst("^/", ""))
+  }
+
  /**
   * Provides HTML of the file list.
   * 
@@ -215,23 +240,23 @@ trait RepositoryViewerControllerBase extends ControllerBase {
    if(repository.commitCount == 0){
      repo.html.guide(repository)
    } else {
-      JGitUtil.withGit(getRepositoryDir(repository.owner, repository.name)){ git =>
+      using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
        val revisions = Seq(if(revstr.isEmpty) repository.repository.defaultBranch else revstr, repository.branchList.head)
        // get specified commit
-        revisions.map { rev => (git.getRepository.resolve(rev), rev)}.find(_._1 != null).map { case (objectId, revision) =>
-          val revCommit = JGitUtil.getRevCommitFromId(git, objectId)
-
+        JGitUtil.getDefaultBranch(git, repository, revstr).map { case (objectId, revision) =>
+          defining(JGitUtil.getRevCommitFromId(git, objectId)){ revCommit =>
          // get files
-          val files = JGitUtil.getFileList(git, revision, path)
-          // process README.md
-          val readme = files.find(_.name == "README.md").map { file =>
-            new String(JGitUtil.getContent(Git.open(getRepositoryDir(repository.owner, repository.name)), file.id, true).get, "UTF-8")
-          }
+            val files = JGitUtil.getFileList(git, revision, path)
+            // process README.md
+            val readme = files.find(_.name == "README.md").map { file =>
+              StringUtil.convertFromByteArray(JGitUtil.getContent(Git.open(getRepositoryDir(repository.owner, repository.name)), file.id, true).get)
+            }

-          repo.html.files(revision, repository,
-            if(path == ".") Nil else path.split("/").toList, // current path
-            new JGitUtil.CommitInfo(revCommit), // latest commit
-            files, readme)
+            repo.html.files(revision, repository,
+              if(path == ".") Nil else path.split("/").toList, // current path
+              new JGitUtil.CommitInfo(revCommit), // latest commit
+              files, readme)
+          }
        } getOrElse NotFound
      }
    }
--- a/src/main/scala/app/SearchController.scala
+++ b/src/main/scala/app/SearchController.scala
@@ -0,0 +1,52 @@
+package app
+
+import util._
+import ControlUtil._
+import service._
+import jp.sf.amateras.scalatra.forms._
+
+class SearchController extends SearchControllerBase
+with RepositoryService with AccountService with SystemSettingsService with ActivityService
+with RepositorySearchService with IssuesService
+with ReferrerAuthenticator
+
+trait SearchControllerBase extends ControllerBase { self: RepositoryService
+  with SystemSettingsService with ActivityService with RepositorySearchService
+  with ReferrerAuthenticator =>
+
+  val searchForm = mapping(
+    "query"      -> trim(text(required)),
+    "owner"      -> trim(text(required)),
+    "repository" -> trim(text(required))
+  )(SearchForm.apply)
+
+  case class SearchForm(query: String, owner: String, repository: String)
+
+  post("/search", searchForm){ form =>
+    redirect(s"/${form.owner}/${form.repository}/search?q=${StringUtil.urlEncode(form.query)}")
+  }
+
+  get("/:owner/:repository/search")(referrersOnly { repository =>
+    defining(params("q").trim, params.getOrElse("type", "code")){ case (query, target) =>
+      val page   = try {
+        val i = params.getOrElse("page", "1").toInt
+        if(i <= 0) 1 else i
+      } catch {
+        case e: NumberFormatException => 1
+      }
+
+      target.toLowerCase match {
+        case "issue" => search.html.issues(
+          searchIssues(repository.owner, repository.name, query),
+          countFiles(repository.owner, repository.name, query),
+          query, page, repository)
+
+        case _ => search.html.code(
+          searchFiles(repository.owner, repository.name, query),
+          countIssues(repository.owner, repository.name, query),
+          query, page, repository)
+      }
+    }
+  })
+
+}
--- a/src/main/scala/app/SignInController.scala
+++ b/src/main/scala/app/SignInController.scala
@@ -1,8 +1,9 @@
 package app

 import service._
-import util.StringUtil._
 import jp.sf.amateras.scalatra.forms._
+import util.Implicits._
+import util.Keys

 class SignInController extends SignInControllerBase with SystemSettingsService with AccountService

@@ -16,27 +17,17 @@ trait SignInControllerBase extends ControllerBase { self: SystemSettingsService
  )(SignInForm.apply)
  
  get("/signin"){
-    val queryString = request.getQueryString
-    if(queryString != null && queryString.startsWith("/")){
-      session.setAttribute("REDIRECT", queryString)
+    val redirect = params.get("redirect")
+    if(redirect.isDefined && redirect.get.startsWith("/")){
+      session.setAttribute(Keys.Session.Redirect, redirect.get)
    }
    html.signin(loadSystemSettings())
  }

  post("/signin", form){ form =>
-    val account = getAccountByUserName(form.userName)
-    if(account.isEmpty || account.get.password != sha1(form.password)){
-      redirect("/signin")
-    } else {
-      session.setAttribute("LOGIN_ACCOUNT", account.get)
-      updateLastLoginDate(account.get.userName)
-
-      session.get("REDIRECT").map { redirectUrl =>
-        session.removeAttribute("REDIRECT")
-        redirect(redirectUrl.asInstanceOf[String])
-      }.getOrElse {
-        redirect("/")
-      }
+    authenticate(loadSystemSettings(), form.userName, form.password) match {
+      case Some(account) => signin(account)
+      case None          => redirect("/signin")
    }
  }

@@ -45,4 +36,22 @@ trait SignInControllerBase extends ControllerBase { self: SystemSettingsService
    redirect("/")
  }

+  /**
+   * Set account information into HttpSession and redirect.
+   */
+  private def signin(account: model.Account) = {
+    session.setAttribute(Keys.Session.LoginAccount, account)
+    updateLastLoginDate(account.userName)
+
+    session.getAndRemove[String](Keys.Session.Redirect).map { redirectUrl =>
+      if(redirectUrl.replaceFirst("/$", "") == request.getContextPath){
+        redirect("/")
+      } else {
+        redirect(redirectUrl)
+      }
+    }.getOrElse {
+      redirect("/")
+    }
+  }
+
 }
--- a/src/main/scala/app/SystemSettingsController.scala
+++ b/src/main/scala/app/SystemSettingsController.scala
@@ -12,11 +12,28 @@ class SystemSettingsController extends SystemSettingsControllerBase
 trait SystemSettingsControllerBase extends ControllerBase with FlashMapSupport {
  self: SystemSettingsService with AccountService with AdminAuthenticator =>

-  private case class SystemSettingsForm(allowAccountRegistration: Boolean)
-
  private val form = mapping(
-    "allowAccountRegistration" -> trim(label("Account registration", boolean()))
-  )(SystemSettingsForm.apply)
+    "allowAccountRegistration" -> trim(label("Account registration", boolean())),
+    "gravatar"                 -> trim(label("Gravatar", boolean())),
+    "notification"             -> trim(label("Notification", boolean())),
+    "smtp"                     -> optionalIfNotChecked("notification", mapping(
+        "host"                     -> trim(label("SMTP Host", text(required))),
+        "port"                     -> trim(label("SMTP Port", optional(number()))),
+        "user"                     -> trim(label("SMTP User", optional(text()))),
+        "password"                 -> trim(label("SMTP Password", optional(text()))),
+        "ssl"                      -> trim(label("Enable SSL", optional(boolean())))
+    )(Smtp.apply)),
+    "ldapAuthentication"       -> trim(label("LDAP", boolean())),
+    "ldap"                     -> optionalIfNotChecked("ldapAuthentication", mapping(
+        "host"                     -> trim(label("LDAP host", text(required))),
+        "port"                     -> trim(label("LDAP port", optional(number()))),
+        "bindDN"                   -> trim(label("Bind DN", optional(text()))),
+        "bindPassword"             -> trim(label("Bind Password", optional(text()))),
+        "baseDN"                   -> trim(label("Base DN", text(required))),
+        "userNameAttribute"        -> trim(label("User name attribute", text(required))),
+        "mailAttribute"            -> trim(label("Mail address attribute", text(required)))
+    )(Ldap.apply))
+  )(SystemSettings.apply)


  get("/admin/system")(adminOnly {
@@ -24,7 +41,7 @@ trait SystemSettingsControllerBase extends ControllerBase with FlashMapSupport {
  })

  post("/admin/system", form)(adminOnly { form =>
-    saveSystemSettings(SystemSettings(form.allowAccountRegistration))
+    saveSystemSettings(form)
    flash += "info" -> "System settings has been updated."
    redirect("/admin/system")
  })
--- a/src/main/scala/app/UserManagementController.scala
+++ b/src/main/scala/app/UserManagementController.scala
@@ -1,34 +1,39 @@
 package app

 import service._
-import util.{FileUploadUtil, FileUtil, AdminAuthenticator}
+import util.AdminAuthenticator
 import util.StringUtil._
+import util.ControlUtil._
 import jp.sf.amateras.scalatra.forms._
-import org.apache.commons.io.FileUtils
-import util.Directory._
-import scala.Some

-class UserManagementController extends UserManagementControllerBase with AccountService with AdminAuthenticator
+class UserManagementController extends UserManagementControllerBase
+  with AccountService with RepositoryService with AdminAuthenticator

 trait UserManagementControllerBase extends AccountManagementControllerBase {
-  self: AccountService with AdminAuthenticator =>
+  self: AccountService with RepositoryService with AdminAuthenticator =>
  
-  case class UserNewForm(userName: String, password: String, mailAddress: String, isAdmin: Boolean,
+  case class NewUserForm(userName: String, password: String, mailAddress: String, isAdmin: Boolean,
                         url: Option[String], fileId: Option[String])

-  case class UserEditForm(userName: String, password: Option[String], mailAddress: String, isAdmin: Boolean,
+  case class EditUserForm(userName: String, password: Option[String], mailAddress: String, isAdmin: Boolean,
                          url: Option[String], fileId: Option[String], clearImage: Boolean)

-  val newForm = mapping(
+  case class NewGroupForm(groupName: String, url: Option[String], fileId: Option[String],
+                          memberNames: Option[String])
+
+  case class EditGroupForm(groupName: String, url: Option[String], fileId: Option[String],
+                           memberNames: Option[String], clearImage: Boolean)
+
+  val newUserForm = mapping(
    "userName"    -> trim(label("Username"     , text(required, maxlength(100), identifier, uniqueUserName))),
    "password"    -> trim(label("Password"     , text(required, maxlength(20)))),
    "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress()))),
    "isAdmin"     -> trim(label("User Type"    , boolean())),
    "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
    "fileId"      -> trim(label("File ID"      , optional(text())))
-  )(UserNewForm.apply)
+  )(NewUserForm.apply)

-  val editForm = mapping(
+  val editUserForm = mapping(
    "userName"    -> trim(label("Username"     , text(required, maxlength(100), identifier))),
    "password"    -> trim(label("Password"     , optional(text(maxlength(20))))),
    "mailAddress" -> trim(label("Mail Address" , text(required, maxlength(100), uniqueMailAddress("userName")))),
@@ -36,28 +41,47 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {
    "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
    "fileId"      -> trim(label("File ID"      , optional(text()))),
    "clearImage"  -> trim(label("Clear image"  , boolean()))
-  )(UserEditForm.apply)
-  
+  )(EditUserForm.apply)
+
+  val newGroupForm = mapping(
+    "groupName"   -> trim(label("Group name"   , text(required, maxlength(100), identifier))),
+    "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"      , optional(text()))),
+    "memberNames" -> trim(label("Member Names" , optional(text())))
+  )(NewGroupForm.apply)
+
+  val editGroupForm = mapping(
+    "groupName"   -> trim(label("Group name"   , text(required, maxlength(100), identifier))),
+    "url"         -> trim(label("URL"          , optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"      , optional(text()))),
+    "memberNames" -> trim(label("Member Names" , optional(text()))),
+    "clearImage"  -> trim(label("Clear image"  , boolean()))
+  )(EditGroupForm.apply)
+
  get("/admin/users")(adminOnly {
-    admin.users.html.list(getAllUsers())
+    val users = getAllUsers()
+    val members = users.collect { case account if(account.isGroupAccount) =>
+      account.userName -> getGroupMembers(account.userName)
+    }.toMap
+    admin.users.html.list(users, members)
  })
  
-  get("/admin/users/_new")(adminOnly {
-    admin.users.html.edit(None)
+  get("/admin/users/_newuser")(adminOnly {
+    admin.users.html.user(None)
  })
  
-  post("/admin/users/_new", newForm)(adminOnly { form =>
+  post("/admin/users/_newuser", newUserForm)(adminOnly { form =>
    createAccount(form.userName, sha1(form.password), form.mailAddress, form.isAdmin, form.url)
    updateImage(form.userName, form.fileId, false)
    redirect("/admin/users")
  })
  
-  get("/admin/users/:userName/_edit")(adminOnly {
+  get("/admin/users/:userName/_edituser")(adminOnly {
    val userName = params("userName")
-    admin.users.html.edit(getAccountByUserName(userName))
+    admin.users.html.user(getAccountByUserName(userName))
  })
  
-  post("/admin/users/:name/_edit", editForm)(adminOnly { form =>
+  post("/admin/users/:name/_edituser", editUserForm)(adminOnly { form =>
    val userName = params("userName")
    getAccountByUserName(userName).map { account =>
      updateAccount(getAccountByUserName(userName).get.copy(
@@ -71,5 +95,46 @@ trait UserManagementControllerBase extends AccountManagementControllerBase {

    } getOrElse NotFound
  })
-  
+
+  get("/admin/users/_newgroup")(adminOnly {
+    admin.users.html.group(None, Nil)
+  })
+
+  post("/admin/users/_newgroup", newGroupForm)(adminOnly { form =>
+    createGroup(form.groupName, form.url)
+    updateGroupMembers(form.groupName, form.memberNames.map(_.split(",").toList).getOrElse(Nil))
+    updateImage(form.groupName, form.fileId, false)
+    redirect("/admin/users")
+  })
+
+  get("/admin/users/:groupName/_editgroup")(adminOnly {
+    defining(params("groupName")){ groupName =>
+      admin.users.html.group(getAccountByUserName(groupName), getGroupMembers(groupName))
+    }
+  })
+
+  post("/admin/users/:groupName/_editgroup", editGroupForm)(adminOnly { form =>
+    defining(params("groupName"), form.memberNames.map(_.split(",").toList).getOrElse(Nil)){ case (groupName, memberNames) =>
+      getAccountByUserName(groupName).map { account =>
+        updateGroup(groupName, form.url)
+        updateGroupMembers(form.groupName, memberNames)
+
+        getRepositoryNamesOfUser(form.groupName).foreach { repositoryName =>
+          removeCollaborators(form.groupName, repositoryName)
+          memberNames.foreach { userName =>
+            addCollaborator(form.groupName, repositoryName, userName)
+          }
+        }
+
+        updateImage(form.groupName, form.fileId, form.clearImage)
+        redirect("/admin/users")
+
+      } getOrElse NotFound
+    }
+  })
+
+  post("/admin/users/_usercheck")(adminOnly {
+    getAccountByUserName(params("userName")).isDefined
+  })
+
 }
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -3,7 +3,9 @@ package app
 import service._
 import util.{CollaboratorsAuthenticator, ReferrerAuthenticator, JGitUtil, StringUtil}
 import util.Directory._
+import util.ControlUtil._
 import jp.sf.amateras.scalatra.forms._
+import org.eclipse.jgit.api.Git

 class WikiController extends WikiControllerBase 
  with WikiService with RepositoryService with AccountService with ActivityService
@@ -40,13 +42,13 @@ trait WikiControllerBase extends ControllerBase {

    getWikiPage(repository.owner, repository.name, pageName).map { page =>
      wiki.html.page(pageName, page, repository, hasWritePermission(repository.owner, repository.name, context.loginAccount))
-    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${pageName}/_edit") // TODO URLEncode
+    } getOrElse redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(pageName)}/_edit")
  })
  
  get("/:owner/:repository/wiki/:page/_history")(referrersOnly { repository =>
    val pageName = StringUtil.urlDecode(params("page"))

-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
      JGitUtil.getCommitLog(git, "master", path = pageName + ".md") match {
        case Right((logs, hasNext)) => wiki.html.history(Some(pageName), logs, repository)
        case Left(_) => NotFound
@@ -58,16 +60,16 @@ trait WikiControllerBase extends ControllerBase {
    val pageName = StringUtil.urlDecode(params("page"))
    val commitId = params("commitId").split("\\.\\.\\.")

-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
-      wiki.html.compare(Some(pageName), getWikiDiffs(git, commitId(0), commitId(1)), repository)
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
+      wiki.html.compare(Some(pageName), JGitUtil.getDiffs(git, commitId(0), commitId(1), true), repository)
    }
  })
  
  get("/:owner/:repository/wiki/_compare/:commitId")(referrersOnly { repository =>
    val commitId   = params("commitId").split("\\.\\.\\.")

-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
-      wiki.html.compare(None, getWikiDiffs(git, commitId(0), commitId(1)), repository)
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
+      wiki.html.compare(None, JGitUtil.getDiffs(git, commitId(0), commitId(1), true), repository)
    }
  })
  
@@ -80,10 +82,10 @@ trait WikiControllerBase extends ControllerBase {
    val loginAccount = context.loginAccount.get
    
    saveWikiPage(repository.owner, repository.name, form.currentPageName, form.pageName,
-        form.content, loginAccount, form.message.getOrElse(""))
-    
-    updateLastActivityDate(repository.owner, repository.name)
-    recordEditWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName)
+                 form.content, loginAccount, form.message.getOrElse("")).map { commitId =>
+      updateLastActivityDate(repository.owner, repository.name)
+      recordEditWikiPageActivity(repository.owner, repository.name, loginAccount.userName, form.pageName, commitId)
+    }

    redirect(s"/${repository.owner}/${repository.name}/wiki/${StringUtil.urlEncode(form.pageName)}")
  })
@@ -105,9 +107,10 @@ trait WikiControllerBase extends ControllerBase {
  })
  
  get("/:owner/:repository/wiki/:page/_delete")(collaboratorsOnly { repository =>
-      val pageName = StringUtil.urlDecode(params("page"))
+    val pageName = StringUtil.urlDecode(params("page"))
+    val account  = context.loginAccount.get
    
-    deleteWikiPage(repository.owner, repository.name, pageName, context.loginAccount.get.userName, s"Delete ${pageName}")
+    deleteWikiPage(repository.owner, repository.name, pageName, account.userName, account.mailAddress, s"Delete ${pageName}")
    updateLastActivityDate(repository.owner, repository.name)

    redirect(s"/${repository.owner}/${repository.name}/wiki")
@@ -119,7 +122,7 @@ trait WikiControllerBase extends ControllerBase {
  })
  
  get("/:owner/:repository/wiki/_history")(referrersOnly { repository =>
-    JGitUtil.withGit(getWikiRepositoryDir(repository.owner, repository.name)){ git =>
+    using(Git.open(getWikiRepositoryDir(repository.owner, repository.name))){ git =>
      JGitUtil.getCommitLog(git, "master") match {
        case Right((logs, hasNext)) => wiki.html.history(None, logs, repository)
        case Left(_) => NotFound
@@ -129,18 +132,18 @@ trait WikiControllerBase extends ControllerBase {

  get("/:owner/:repository/wiki/_blob/*")(referrersOnly { repository =>
    getFileContent(repository.owner, repository.name, multiParams("splat").head).map { content =>
-        contentType = "application/octet-stream"
-        content
+      contentType = "application/octet-stream"
+      content
    } getOrElse NotFound
  })

  private def unique: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String, params: Map[String, String]): Option[String] =
      getWikiPageList(params("owner"), params("repository")).find(_ == value).map(_ => "Page already exists.")
  }

  private def pagename: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
      if(value.exists("\\/:*?\"<>|".contains(_))){
        Some(s"${name} contains invalid character.")
      } else if(value.startsWith("_") || value.startsWith("-")){
--- a/src/main/scala/model/Account.scala
+++ b/src/main/scala/model/Account.scala
@@ -12,7 +12,8 @@ object Accounts extends Table[Account]("ACCOUNT") {
  def updatedDate = column[java.util.Date]("UPDATED_DATE")
  def lastLoginDate = column[java.util.Date]("LAST_LOGIN_DATE")
  def image = column[String]("IMAGE")
-  def * = userName ~ mailAddress ~ password ~ isAdmin ~ url.? ~ registeredDate ~ updatedDate ~ lastLoginDate.? ~ image.? <> (Account, Account.unapply _)
+  def groupAccount = column[Boolean]("GROUP_ACCOUNT")
+  def * = userName ~ mailAddress ~ password ~ isAdmin ~ url.? ~ registeredDate ~ updatedDate ~ lastLoginDate.? ~ image.? ~ groupAccount <> (Account, Account.unapply _)
 }

 case class Account(
@@ -24,5 +25,6 @@ case class Account(
    registeredDate: java.util.Date,
    updatedDate: java.util.Date,
    lastLoginDate: Option[java.util.Date],
-    image: Option[String]
+    image: Option[String],
+    isGroupAccount: Boolean
 )
--- a/src/main/scala/model/GroupMembers.scala
+++ b/src/main/scala/model/GroupMembers.scala
@@ -0,0 +1,14 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object GroupMembers extends Table[GroupMember]("GROUP_MEMBER") {
+  def groupName = column[String]("GROUP_NAME", O PrimaryKey)
+  def userName = column[String]("USER_NAME", O PrimaryKey)
+  def * = groupName ~ userName <> (GroupMember, GroupMember.unapply _)
+}
+
+case class GroupMember(
+  groupName: String,
+  userName: String
+)
--- a/src/main/scala/model/Issue.scala
+++ b/src/main/scala/model/Issue.scala
@@ -7,6 +7,11 @@ object IssueId extends Table[(String, String, Int)]("ISSUE_ID") with IssueTempla
  def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
 }

+object IssueOutline extends Table[(String, String, Int, Int)]("ISSUE_OUTLINE_VIEW") with IssueTemplate {
+  def commentCount = column[Int]("COMMENT_COUNT")
+  def * = userName ~ repositoryName ~ issueId ~ commentCount
+}
+
 object Issues extends Table[Issue]("ISSUE") with IssueTemplate with MilestoneTemplate {
  def openedUserName = column[String]("OPENED_USER_NAME")
  def assignedUserName = column[String]("ASSIGNED_USER_NAME")
@@ -15,7 +20,8 @@ object Issues extends Table[Issue]("ISSUE") with IssueTemplate with MilestoneTem
  def closed = column[Boolean]("CLOSED")
  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
  def updatedDate = column[java.util.Date]("UPDATED_DATE")
-  def * = userName ~ repositoryName ~ issueId ~ openedUserName ~ milestoneId.? ~ assignedUserName.? ~ title ~ content.? ~ closed ~ registeredDate ~ updatedDate <> (Issue, Issue.unapply _)
+  def pullRequest = column[Boolean]("PULL_REQUEST")
+  def * = userName ~ repositoryName ~ issueId ~ openedUserName ~ milestoneId.? ~ assignedUserName.? ~ title ~ content.? ~ closed ~ registeredDate ~ updatedDate ~ pullRequest <> (Issue, Issue.unapply _)

  def byPrimaryKey(owner: String, repository: String, issueId: Int) = byIssue(owner, repository, issueId)
 }
@@ -31,4 +37,5 @@ case class Issue(
    content: Option[String],
    closed: Boolean,
    registeredDate: java.util.Date,
-    updatedDate: java.util.Date)
+    updatedDate: java.util.Date,
+    isPullRequest: Boolean)
--- a/src/main/scala/model/PullRequest.scala
+++ b/src/main/scala/model/PullRequest.scala
@@ -0,0 +1,28 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object PullRequests extends Table[PullRequest]("PULL_REQUEST") with IssueTemplate {
+  def branch = column[String]("BRANCH")
+  def requestUserName = column[String]("REQUEST_USER_NAME")
+  def requestRepositoryName = column[String]("REQUEST_REPOSITORY_NAME")
+  def requestBranch = column[String]("REQUEST_BRANCH")
+  def commitIdFrom = column[String]("COMMIT_ID_FROM")
+  def commitIdTo = column[String]("COMMIT_ID_TO")
+  def * = userName ~ repositoryName ~ issueId ~ branch ~ requestUserName ~ requestRepositoryName ~ requestBranch ~ commitIdFrom ~ commitIdTo <> (PullRequest, PullRequest.unapply _)
+
+  def byPrimaryKey(userName: String, repositoryName: String, issueId: Int) = byIssue(userName, repositoryName, issueId)
+  def byPrimaryKey(userName: Column[String], repositoryName: Column[String], issueId: Column[Int]) = byIssue(userName, repositoryName, issueId)
+}
+
+case class PullRequest(
+  userName: String,
+  repositoryName: String,
+  issueId: Int,
+  branch: String,
+  requestUserName: String,
+  requestRepositoryName: String,
+  requestBranch: String,
+  commitIdFrom: String,
+  commitIdTo: String
+)
--- a/src/main/scala/model/Repository.scala
+++ b/src/main/scala/model/Repository.scala
@@ -9,7 +9,11 @@ object Repositories extends Table[Repository]("REPOSITORY") with BasicTemplate {
  def registeredDate = column[java.util.Date]("REGISTERED_DATE")
  def updatedDate = column[java.util.Date]("UPDATED_DATE")
  def lastActivityDate = column[java.util.Date]("LAST_ACTIVITY_DATE")
-  def * = userName ~ repositoryName ~ isPrivate ~ description.? ~ defaultBranch ~ registeredDate ~ updatedDate ~ lastActivityDate <> (Repository, Repository.unapply _)
+  def originUserName = column[String]("ORIGIN_USER_NAME")
+  def originRepositoryName = column[String]("ORIGIN_REPOSITORY_NAME")
+  def parentUserName = column[String]("PARENT_USER_NAME")
+  def parentRepositoryName = column[String]("PARENT_REPOSITORY_NAME")
+  def * = userName ~ repositoryName ~ isPrivate ~ description.? ~ defaultBranch ~ registeredDate ~ updatedDate ~ lastActivityDate ~ originUserName.? ~ originRepositoryName.? ~ parentUserName.? ~ parentRepositoryName.? <> (Repository, Repository.unapply _)

  def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
 }
@@ -22,5 +26,9 @@ case class Repository(
  defaultBranch: String,
  registeredDate: java.util.Date,
  updatedDate: java.util.Date,
-  lastActivityDate: java.util.Date
+  lastActivityDate: java.util.Date,
+  originUserName: Option[String],
+  originRepositoryName: Option[String],
+  parentUserName: Option[String],
+  parentRepositoryName: Option[String]
 )
--- a/src/main/scala/model/WebHook.scala
+++ b/src/main/scala/model/WebHook.scala
@@ -0,0 +1,16 @@
+package model
+
+import scala.slick.driver.H2Driver.simple._
+
+object WebHooks extends Table[WebHook]("WEB_HOOK") with BasicTemplate {
+  def url = column[String]("URL")
+  def * = userName ~ repositoryName ~ url <> (WebHook, WebHook.unapply _)
+
+  def byPrimaryKey(owner: String, repository: String, url: String) = byRepository(owner, repository) && (this.url is url.bind)
+}
+
+case class WebHook(
+  userName: String,
+  repositoryName: String,
+  url: String
+)
--- a/src/main/scala/model/package.scala
+++ b/src/main/scala/model/package.scala
@@ -1,5 +1,6 @@
 package object model {
-  import scala.slick.lifted.MappedTypeMapper
+  import scala.slick.driver.BasicDriver.Implicit._
+  import scala.slick.lifted.{Column, MappedTypeMapper}

  // java.util.Date TypeMapper
  implicit val dateTypeMapper = MappedTypeMapper.base[java.util.Date, java.sql.Timestamp](
@@ -7,6 +8,10 @@ package object model {
      t => new java.util.Date(t.getTime)
  )

+  implicit class RichColumn(c1: Column[Boolean]){
+    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
+  }
+
  /**
   * Returns system date.
   */
--- a/src/main/scala/service/AccountService.scala
+++ b/src/main/scala/service/AccountService.scala
@@ -3,9 +3,48 @@ package service
 import model._
 import scala.slick.driver.H2Driver.simple._
 import Database.threadLocalSession
+import service.SystemSettingsService.SystemSettings
+import util.StringUtil._
+import model.GroupMember
+import scala.Some
+import model.Account
+import util.LDAPUtil

 trait AccountService {

+  def authenticate(settings: SystemSettings, userName: String, password: String): Option[Account] =
+    if(settings.ldapAuthentication){
+      ldapAuthentication(settings, userName, password)
+    } else {
+      defaultAuthentication(userName, password)
+    }
+
+  /**
+   * Authenticate by internal database.
+   */
+  private def defaultAuthentication(userName: String, password: String) = {
+    getAccountByUserName(userName).collect {
+      case account if(!account.isGroupAccount && account.password == sha1(password)) => Some(account)
+    } getOrElse None
+  }
+
+  /**
+   * Authenticate by LDAP.
+   */
+  private def ldapAuthentication(settings: SystemSettings, userName: String, password: String) = {
+    LDAPUtil.authenticate(settings.ldap.get, userName, password) match {
+      case Right(mailAddress) => {
+        // Create or update account by LDAP information
+        getAccountByUserName(userName) match {
+          case Some(x) => updateAccount(x.copy(mailAddress = mailAddress))
+          case None    => createAccount(userName, "", mailAddress, false, None)
+        }
+        getAccountByUserName(userName)
+      }
+      case Left(errorMessage) => defaultAuthentication(userName, password)
+    }
+  }
+
  def getAccountByUserName(userName: String): Option[Account] = 
    Query(Accounts) filter(_.userName is userName.bind) firstOption

@@ -24,7 +63,8 @@ trait AccountService {
      registeredDate = currentDate,
      updatedDate    = currentDate,
      lastLoginDate  = None,
-      image          = None)
+      image          = None,
+      isGroupAccount = false)

  def updateAccount(account: Account): Unit = 
    Accounts
@@ -44,5 +84,42 @@ trait AccountService {

  def updateLastLoginDate(userName: String): Unit =
    Accounts.filter(_.userName is userName.bind).map(_.lastLoginDate).update(currentDate)
-  
+
+  def createGroup(groupName: String, url: Option[String]): Unit =
+    Accounts insert Account(
+      userName       = groupName,
+      password       = "",
+      mailAddress    = groupName + "@devnull",
+      isAdmin        = false,
+      url            = url,
+      registeredDate = currentDate,
+      updatedDate    = currentDate,
+      lastLoginDate  = None,
+      image          = None,
+      isGroupAccount = true)
+
+  def updateGroup(groupName: String, url: Option[String]): Unit =
+    Accounts.filter(_.userName is groupName.bind).map(_.url.?).update(url)
+
+  def updateGroupMembers(groupName: String, members: List[String]): Unit = {
+    Query(GroupMembers).filter(_.groupName is groupName.bind).delete
+    members.foreach { userName =>
+      GroupMembers insert GroupMember (groupName, userName)
+    }
+  }
+
+  def getGroupMembers(groupName: String): List[String] =
+    Query(GroupMembers)
+      .filter(_.groupName is groupName.bind)
+      .sortBy(_.userName)
+      .map(_.userName)
+      .list
+
+  def getGroupsByUserName(userName: String): List[String] =
+    Query(GroupMembers)
+      .filter(_.userName is userName.bind)
+      .sortBy(_.groupName)
+      .map(_.groupName)
+      .list
+
 }
--- a/src/main/scala/service/ActivityService.scala
+++ b/src/main/scala/service/ActivityService.scala
@@ -6,23 +6,23 @@ import Database.threadLocalSession

 trait ActivityService {

-  def getActivitiesByUser(activityUserName: String, isPublic: Boolean): List[Activity] = {
-    val q = Query(Activities)
+  def getActivitiesByUser(activityUserName: String, isPublic: Boolean): List[Activity] =
+    Activities
      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
+      .filter { case (t1, t2) =>
+        if(isPublic){
+          (t1.activityUserName is activityUserName.bind) && (t2.isPrivate is false.bind)
+        } else {
+          (t1.activityUserName is activityUserName.bind)
+        }
+      }
+      .sortBy { case (t1, t2) => t1.activityId desc }
+      .map    { case (t1, t2) => t1 }
+      .take(30)
+      .list

-    (if(isPublic){
-      q filter { case (t1, t2) => (t1.activityUserName is activityUserName.bind) && (t2.isPrivate is false.bind) }
-    } else {
-      q filter { case (t1, t2) => t1.activityUserName is activityUserName.bind }
-    })
-    .sortBy { case (t1, t2) => t1.activityId desc }
-    .map    { case (t1, t2) => t1 }
-    .take(30)
-    .list
-  }
-  
  def getRecentActivities(): List[Activity] =
-    Query(Activities)
+    Activities
      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
      .filter { case (t1, t2) => t2.isPrivate is false.bind }
      .sortBy { case (t1, t2) => t1.activityId desc }
@@ -52,6 +52,13 @@ trait ActivityService {
      Some(title),
      currentDate)

+  def recordClosePullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "close_issue",
+      s"[user:${activityUserName}] closed pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(title),
+      currentDate)
+
  def recordReopenIssueActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "reopen_issue",
@@ -65,7 +72,14 @@ trait ActivityService {
      s"[user:${activityUserName}] commented on issue [issue:${userName}/${repositoryName}#${issueId}]",
      Some(cut(comment, 200)),
      currentDate)
-  
+
+  def recordCommentPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, comment: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "comment_issue",
+      s"[user:${activityUserName}] commented on pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(cut(comment, 200)),
+      currentDate)
+
  def recordCreateWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String) =
    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "create_wiki",
@@ -73,11 +87,11 @@ trait ActivityService {
      Some(pageName),
      currentDate)
  
-  def recordEditWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String) =
+  def recordEditWikiPageActivity(userName: String, repositoryName: String, activityUserName: String, pageName: String, commitId: String) =
    Activities.autoInc insert(userName, repositoryName, activityUserName,
      "edit_wiki",
      s"[user:${activityUserName}] edited the [repo:${userName}/${repositoryName}] wiki",
-      Some(pageName),
+      Some(pageName + ":" + commitId),
      currentDate)
  
  def recordPushActivity(userName: String, repositoryName: String, activityUserName: String, 
@@ -98,11 +112,32 @@ trait ActivityService {
  
  def recordCreateBranchActivity(userName: String, repositoryName: String, activityUserName: String, branchName: String) =
    Activities.autoInc insert(userName, repositoryName, activityUserName,
-      "create_tag",
+      "create_branch",
      s"[user:${activityUserName}] created branch [tag:${userName}/${repositoryName}#${branchName}] at [repo:${userName}/${repositoryName}]",
      None,
      currentDate)
-  
+
+  def recordForkActivity(userName: String, repositoryName: String, activityUserName: String) =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "fork",
+      s"[user:${activityUserName}] forked [repo:${userName}/${repositoryName}] to [repo:${activityUserName}/${repositoryName}]",
+      None,
+      currentDate)
+
+  def recordPullRequestActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, title: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "open_pullreq",
+      s"[user:${activityUserName}] opened pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(title),
+      currentDate)
+
+  def recordMergeActivity(userName: String, repositoryName: String, activityUserName: String, issueId: Int, message: String): Unit =
+    Activities.autoInc insert(userName, repositoryName, activityUserName,
+      "merge_pullreq",
+      s"[user:${activityUserName}] merged pull request [pullreq:${userName}/${repositoryName}#${issueId}]",
+      Some(message),
+      currentDate)
+
  def insertCommitId(userName: String, repositoryName: String, commitId: String) = {
    CommitLog insert (userName, repositoryName, commitId)
  }
--- a/src/main/scala/service/IssuesService.scala
+++ b/src/main/scala/service/IssuesService.scala
@@ -6,8 +6,8 @@ import scala.slick.jdbc.{StaticQuery => Q}
 import Q.interpolation

 import model._
-import util.StringUtil._
 import util.Implicits._
+import util.StringUtil._

 trait IssuesService {
  import IssuesService._
@@ -42,18 +42,18 @@ trait IssuesService {
  /**
   * Returns the count of the search result against  issues.
   *
-   * @param owner the repository owner
-   * @param repository the repository name
   * @param condition the search condition
-   * @param filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @param onlyPullRequest if true then counts only pull request, false then counts both of issue and pull request.
+   * @param repos Tuple of the repository owner and the repository name
   * @return the count of the search result
   */
-  def countIssue(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]): Int = {
+  def countIssue(condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+                 repos: (String, String)*): Int = {
    // TODO It must be _.length instead of map (_.issueId) list).length.
    //       But it does not work on Slick 1.0.1 (worked on Slick 1.0.0).
    //       https://github.com/slick/slick/issues/170
-    (searchIssueQuery(owner, repository, condition, filter, userName) map (_.issueId) list).length
+    (searchIssueQuery(repos, condition, filterUser, onlyPullRequest) map (_.issueId) list).length
  }
  /**
   * Returns the Map which contains issue count for each labels.
@@ -61,14 +61,13 @@ trait IssuesService {
   * @param owner the repository owner
   * @param repository the repository name
   * @param condition the search condition
-   * @param filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
-   * @return the Map which contains issue count for each labels (key is label name, value is issue count),
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @return the Map which contains issue count for each labels (key is label name, value is issue count)
   */
  def countIssueGroupByLabels(owner: String, repository: String, condition: IssueSearchCondition,
-                              filter: String, userName: Option[String]): Map[String, Int] = {
+                              filterUser: Map[String, String]): Map[String, Int] = {

-    searchIssueQuery(owner, repository, condition.copy(labels = Set.empty), filter, userName)
+    searchIssueQuery(Seq(owner -> repository), condition.copy(labels = Set.empty), filterUser, false)
      .innerJoin(IssueLabels).on { (t1, t2) =>
        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
      }
@@ -83,76 +82,100 @@ trait IssuesService {
      }
      .toMap
  }
+  /**
+   * Returns list which contains issue count for each repository.
+   * If the issue does not exist, its repository is not included in the result.
+   *
+   * @param condition the search condition
+   * @param filterUser the filter user name (key is "all", "assigned" or "created_by", value is the user name)
+   * @param onlyPullRequest if true then returns only pull request, false then returns both of issue and pull request.
+   * @param repos Tuple of the repository owner and the repository name
+   * @return list which contains issue count for each repository
+   */
+  def countIssueGroupByRepository(
+      condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+      repos: (String, String)*): List[(String, String, Int)] = {
+    searchIssueQuery(repos, condition.copy(repo = None), filterUser, onlyPullRequest)
+      .groupBy { t =>
+        t.userName ~ t.repositoryName
+      }
+      .map { case (repo, t) =>
+        repo ~ t.length
+      }
+      .sortBy(_._3 desc)
+      .list
+  }

  /**
   * Returns the search result against  issues.
   *
-   * @param owner the repository owner
-   * @param repository the repository name
   * @param condition the search condition
-   * @param filter the filter type ("all", "assigned" or "created_by")
-   * @param userName the filter user name required for "assigned" and "created_by"
+   * @param filterUser the filter user name (key is "all", "assigned", "created_by" or "not_created_by", value is the user name)
+   * @param onlyPullRequest if true then returns only pull request, false then returns both of issue and pull request.
   * @param offset the offset for pagination
   * @param limit the limit for pagination
+   * @param repos Tuple of the repository owner and the repository name
   * @return the search result (list of tuples which contain issue, labels and comment count)
   */
-  def searchIssue(owner: String, repository: String, condition: IssueSearchCondition,
-                  filter: String, userName: Option[String], offset: Int, limit: Int): List[(Issue, List[Label], Int)] = {
+  def searchIssue(condition: IssueSearchCondition, filterUser: Map[String, String], onlyPullRequest: Boolean,
+                  offset: Int, limit: Int, repos: (String, String)*): List[(Issue, List[Label], Int)] = {

-    // get issues and comment count
-    val issues = searchIssueQuery(owner, repository, condition, filter, userName)
-      .leftJoin(Query(IssueComments)
-        .filter  { t =>
-          (t.byRepository(owner, repository)) &&
-          (t.action inSetBind Seq("comment", "close_comment", "reopen_comment"))
+    // get issues and comment count and labels
+    searchIssueQuery(repos, condition, filterUser, onlyPullRequest)
+        .innerJoin(IssueOutline).on { (t1, t2) => t1.byIssue(t2.userName, t2.repositoryName, t2.issueId) }
+        .leftJoin (IssueLabels) .on { case ((t1, t2), t3) => t1.byIssue(t3.userName, t3.repositoryName, t3.issueId) }
+        .leftJoin (Labels)      .on { case (((t1, t2), t3), t4) => t3.byLabel(t4.userName, t4.repositoryName, t4.labelId) }
+        .map { case (((t1, t2), t3), t4) =>
+          (t1, t2.commentCount, t4.labelId.?, t4.labelName.?, t4.color.?)
        }
-        .groupBy { _.issueId }
-        .map     { case (issueId, t) => issueId ~ t.length }).on((t1, t2) => t1.issueId is t2._1)
-      .sortBy { case (t1, t2) =>
-        (condition.sort match {
-          case "created"  => t1.registeredDate
-          case "comments" => t2._2
-          case "updated"  => t1.updatedDate
-        }) match {
-          case sort => condition.direction match {
-            case "asc"  => sort asc
-            case "desc" => sort desc
+        .sortBy(_._4)	// labelName
+        .sortBy { case (t1, commentCount, _,_,_) =>
+          (condition.sort match {
+            case "created"  => t1.registeredDate
+            case "comments" => commentCount
+            case "updated"  => t1.updatedDate
+          }) match {
+            case sort => condition.direction match {
+              case "asc"  => sort asc
+              case "desc" => sort desc
+            }
          }
        }
-      }
-      .map { case (t1, t2) => (t1, t2._2.ifNull(0)) }
-      .drop(offset).take(limit)
-      .list
-
-    // get labels
-    val labels = Query(IssueLabels)
-      .innerJoin(Labels).on { (t1, t2) =>
-        t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
-      }
-      .filter { case (t1, t2) =>
-        (t1.byRepository(owner, repository)) &&
-        (t1.issueId inSetBind (issues.map(_._1.issueId)))
-      }
-      .sortBy { case (t1, t2) => t1.issueId ~ t2.labelName }
-      .map    { case (t1, t2) => (t1.issueId, t2) }
-      .list
-
-    issues.map { case (issue, commentCount) =>
-      (issue, labels.collect { case (issueId, labels) if(issueId == issue.issueId) => labels }, commentCount)
-    }
+        .drop(offset).take(limit)
+        .list
+        .splitWith { (c1, c2) =>
+          c1._1.userName == c2._1.userName &&
+          c1._1.repositoryName == c2._1.repositoryName &&
+          c1._1.issueId == c2._1.issueId
+        }
+        .map { issues => issues.head match {
+          case (issue, commentCount, _,_,_) =>
+            (issue,
+             issues.flatMap { t => t._3.map (
+                 Label(issue.userName, issue.repositoryName, _, t._4.get, t._5.get)
+             )} toList,
+             commentCount)
+        }} toList
  }

  /**
   * Assembles query for conditional issue searching.
   */
-  private def searchIssueQuery(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]) =
+  private def searchIssueQuery(repos: Seq[(String, String)], condition: IssueSearchCondition,
+                               filterUser: Map[String, String], onlyPullRequest: Boolean) =
    Query(Issues) filter { t1 =>
-      (t1.byRepository(owner, repository)) &&
+      condition.repo
+          .map { _.split('/') match { case array => Seq(array(0) -> array(1)) } }
+          .getOrElse (repos)
+          .map { case (owner, repository) => t1.byRepository(owner, repository) }
+          .foldLeft[Column[Boolean]](false) ( _ || _ ) &&
      (t1.closed           is (condition.state == "closed").bind) &&
      (t1.milestoneId      is condition.milestoneId.get.get.bind, condition.milestoneId.flatten.isDefined) &&
      (t1.milestoneId      isNull, condition.milestoneId == Some(None)) &&
-      (t1.assignedUserName is userName.get.bind, filter == "assigned") &&
-      (t1.openedUserName   is userName.get.bind, filter == "created_by") &&
+      (t1.assignedUserName is filterUser("assigned").bind, filterUser.get("assigned").isDefined) &&
+      (t1.openedUserName   is filterUser("created_by").bind, filterUser.get("created_by").isDefined) &&
+      (t1.openedUserName   isNot filterUser("not_created_by").bind, filterUser.get("not_created_by").isDefined) &&
+      (t1.pullRequest      is true.bind, onlyPullRequest) &&
      (IssueLabels filter { t2 =>
        (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
        (t2.labelId in
@@ -164,7 +187,7 @@ trait IssuesService {
    }

  def createIssue(owner: String, repository: String, loginUser: String, title: String, content: Option[String],
-                  assignedUserName: Option[String], milestoneId: Option[Int]) =
+                  assignedUserName: Option[String], milestoneId: Option[Int], isPullRequest: Boolean = false) =
    // next id number
    sql"SELECT ISSUE_ID + 1 FROM ISSUE_ID WHERE USER_NAME = $owner AND REPOSITORY_NAME = $repository FOR UPDATE".as[Int]
        .firstOption.filter { id =>
@@ -179,7 +202,8 @@ trait IssuesService {
          content,
          false,
          currentDate,
-          currentDate)
+          currentDate,
+          isPullRequest)

      // increment issue id
      IssueId
@@ -237,6 +261,60 @@ trait IssuesService {
      }
      .update (closed, currentDate)

+  /**
+   * Search issues by keyword.
+   *
+   * @param owner the repository owner
+   * @param repository the repository name
+   * @param query the keywords separated by whitespace.
+   * @return issues with comment count and matched content of issue or comment
+   */
+  def searchIssuesByKeyword(owner: String, repository: String, query: String): List[(Issue, Int, String)] = {
+    import scala.slick.driver.H2Driver.likeEncode
+    val keywords = splitWords(query.toLowerCase)
+
+    // Search Issue
+    val issues = Issues
+      .innerJoin(IssueOutline).on { case (t1, t2) =>
+        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .filter { case (t1, t2) =>
+        keywords.map { keyword =>
+          (t1.title.toLowerCase   like (s"%${likeEncode(keyword)}%", '^')) ||
+          (t1.content.toLowerCase like (s"%${likeEncode(keyword)}%", '^'))
+        } .reduceLeft(_ && _)
+      }
+      .map { case (t1, t2) =>
+        (t1, 0, t1.content.?, t2.commentCount)
+      }
+
+    // Search IssueComment
+    val comments = IssueComments
+      .innerJoin(Issues).on { case (t1, t2) =>
+        t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .innerJoin(IssueOutline).on { case ((t1, t2), t3) =>
+        t2.byIssue(t3.userName, t3.repositoryName, t3.issueId)
+      }
+      .filter { case ((t1, t2), t3) =>
+        keywords.map { query =>
+          t1.content.toLowerCase like (s"%${likeEncode(query)}%", '^')
+        }.reduceLeft(_ && _)
+      }
+      .map { case ((t1, t2), t3) =>
+        (t2, t1.commentId, t1.content.?, t3.commentCount)
+      }
+
+    issues.union(comments).sortBy { case (issue, commentId, _, _) =>
+      issue.issueId ~ commentId
+    }.list.splitWith { case ((issue1, _, _, _), (issue2, _, _, _)) =>
+      issue1.issueId == issue2.issueId
+    }.map { _.head match {
+        case (issue, _, content, commentCount) => (issue, commentCount, content.getOrElse(""))
+      }
+    }.toList
+  }
+
 }

 object IssuesService {
@@ -247,6 +325,7 @@ object IssuesService {
  case class IssueSearchCondition(
      labels: Set[String] = Set.empty,
      milestoneId: Option[Option[Int]] = None,
+      repo: Option[String] = None,
      state: String = "open",
      sort: String = "created",
      direction: String = "desc"){
@@ -258,6 +337,7 @@ object IssuesService {
          case Some(x) => x.toString
          case None    => "none"
        })},
+        repo.map("for="   + urlEncode(_)),
        Some("state="     + urlEncode(state)),
        Some("sort="      + urlEncode(sort)),
        Some("direction=" + urlEncode(direction))).flatten.mkString("&")
@@ -278,8 +358,17 @@ object IssuesService {
          case "none" => None
          case x      => Some(x.toInt)
        }),
+        param(request, "for"),
        param(request, "state",     Seq("open", "closed")).getOrElse("open"),
        param(request, "sort",      Seq("created", "comments", "updated")).getOrElse("created"),
        param(request, "direction", Seq("asc", "desc")).getOrElse("desc"))
+
+    def page(request: HttpServletRequest) = try {
+      val i = param(request, "page").getOrElse("1").toInt
+      if(i <= 0) 1 else i
+    } catch {
+      case e: NumberFormatException => 1
+    }
  }
+
 }
--- a/src/main/scala/service/PullRequestService.scala
+++ b/src/main/scala/service/PullRequestService.scala
@@ -0,0 +1,57 @@
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+import model._
+import util.ControlUtil._
+
+trait PullRequestService { self: IssuesService =>
+  import PullRequestService._
+
+  def getPullRequest(owner: String, repository: String, issueId: Int): Option[(Issue, PullRequest)] =
+    defining(getIssue(owner, repository, issueId.toString)){ issue =>
+      if(issue.isDefined){
+        Query(PullRequests).filter(_.byPrimaryKey(owner, repository, issueId)).firstOption match {
+          case Some(pullreq) => Some((issue.get, pullreq))
+          case None          => None
+        }
+      } else None
+    }
+
+  def getPullRequestCountGroupByUser(closed: Boolean, owner: String, repository: Option[String]): List[PullRequestCount] =
+    Query(PullRequests)
+      .innerJoin(Issues).on { (t1, t2) => t1.byPrimaryKey(t2.userName, t2.repositoryName, t2.issueId) }
+      .filter { case (t1, t2) =>
+        (t2.closed         is closed.bind) &&
+        (t1.userName       is owner.bind) &&
+        (t1.repositoryName is repository.get.bind, repository.isDefined)
+      }
+      .groupBy { case (t1, t2) => t2.openedUserName }
+      .map { case (userName, t) => userName ~ t.length }
+      .sortBy(_._2 desc)
+      .list
+      .map { x => PullRequestCount(x._1, x._2) }
+
+  def createPullRequest(originUserName: String, originRepositoryName: String, issueId: Int,
+        originBranch: String, requestUserName: String, requestRepositoryName: String, requestBranch: String,
+        commitIdFrom: String, commitIdTo: String): Unit =
+    PullRequests insert (PullRequest(
+      originUserName,
+      originRepositoryName,
+      issueId,
+      originBranch,
+      requestUserName,
+      requestRepositoryName,
+      requestBranch,
+      commitIdFrom,
+      commitIdTo))
+
+}
+
+object PullRequestService {
+
+  val PullRequestLimit = 25
+
+  case class PullRequestCount(userName: String, count: Int)
+
+}
--- a/src/main/scala/service/RepositorySearchService.scala
+++ b/src/main/scala/service/RepositorySearchService.scala
@@ -0,0 +1,126 @@
+package service
+
+import util.{FileUtil, StringUtil, JGitUtil}
+import util.Directory._
+import util.ControlUtil._
+import model.Issue
+import org.eclipse.jgit.revwalk.RevWalk
+import org.eclipse.jgit.treewalk.TreeWalk
+import scala.collection.mutable.ListBuffer
+import org.eclipse.jgit.lib.FileMode
+import org.eclipse.jgit.api.Git
+
+trait
+RepositorySearchService { self: IssuesService =>
+  import RepositorySearchService._
+
+  def countIssues(owner: String, repository: String, query: String): Int =
+    searchIssuesByKeyword(owner, repository, query).length
+
+  def searchIssues(owner: String, repository: String, query: String): List[IssueSearchResult] =
+    searchIssuesByKeyword(owner, repository, query).map { case (issue, commentCount, content) =>
+      IssueSearchResult(
+        issue.issueId,
+        issue.title,
+        issue.openedUserName,
+        issue.registeredDate,
+        commentCount,
+        getHighlightText(content, query)._1)
+    }
+
+  def countFiles(owner: String, repository: String, query: String): Int =
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
+      if(JGitUtil.isEmpty(git)) 0 else searchRepositoryFiles(git, query).length
+    }
+
+  def searchFiles(owner: String, repository: String, query: String): List[FileSearchResult] =
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
+      if(JGitUtil.isEmpty(git)){
+        Nil
+      } else {
+        val files = searchRepositoryFiles(git, query)
+        val commits = JGitUtil.getLatestCommitFromPaths(git, files.toList.map(_._1), "HEAD")
+        files.map { case (path, text) =>
+          val (highlightText, lineNumber)  = getHighlightText(text, query)
+          FileSearchResult(
+            path,
+            commits(path).getCommitterIdent.getWhen,
+            highlightText,
+            lineNumber)
+        }
+      }
+    }
+
+  private def searchRepositoryFiles(git: Git, query: String): List[(String, String)] = {
+    val revWalk   = new RevWalk(git.getRepository)
+    val objectId  = git.getRepository.resolve("HEAD")
+    val revCommit = revWalk.parseCommit(objectId)
+    val treeWalk  = new TreeWalk(git.getRepository)
+    treeWalk.setRecursive(true)
+    treeWalk.addTree(revCommit.getTree)
+
+    val keywords = StringUtil.splitWords(query.toLowerCase)
+    val list = new ListBuffer[(String, String)]
+
+    while (treeWalk.next()) {
+      if(treeWalk.getFileMode(0) != FileMode.TREE){
+        JGitUtil.getContent(git, treeWalk.getObjectId(0), false).foreach { bytes =>
+          if(FileUtil.isText(bytes)){
+            val text      = StringUtil.convertFromByteArray(bytes)
+            val lowerText = text.toLowerCase
+            val indices   = keywords.map(lowerText.indexOf _)
+            if(!indices.exists(_ < 0)){
+              list.append((treeWalk.getPathString, text))
+            }
+          }
+        }
+      }
+    }
+    treeWalk.release
+    revWalk.release
+
+    list.toList
+  }
+
+}
+
+object RepositorySearchService {
+
+  val CodeLimit  = 10
+  val IssueLimit = 10
+
+  def getHighlightText(content: String, query: String): (String, Int) = {
+    val keywords  = StringUtil.splitWords(query.toLowerCase)
+    val lowerText = content.toLowerCase
+    val indices   = keywords.map(lowerText.indexOf _)
+
+    if(!indices.exists(_ < 0)){
+      val lineNumber = content.substring(0, indices.min).split("\n").size - 1
+      val highlightText = StringUtil.escapeHtml(content.split("\n").drop(lineNumber).take(5).mkString("\n"))
+        .replaceAll("(?i)(" + keywords.map("\\Q" + _ + "\\E").mkString("|") +  ")",
+        "<span class=\"highlight\">$1</span>")
+      (highlightText, lineNumber + 1)
+    } else {
+      (content.split("\n").take(5).mkString("\n"), 1)
+    }
+  }
+
+  case class SearchResult(
+    files : List[(String, String)],
+    issues: List[(Issue, Int, String)])
+
+  case class IssueSearchResult(
+    issueId: Int,
+    title: String,
+    openedUserName: String,
+    registeredDate: java.util.Date,
+    commentCount: Int,
+    highlightText: String)
+
+  case class FileSearchResult(
+     path: String,
+     lastModified: java.util.Date,
+     highlightText: String,
+     highlightLineNumber: Int)
+
+}
--- a/src/main/scala/service/RepositoryService.scala
+++ b/src/main/scala/service/RepositoryService.scala
@@ -15,19 +15,27 @@ trait RepositoryService { self: AccountService =>
   * @param userName the user name of the repository owner
   * @param description the repository description
   * @param isPrivate the repository type (private is true, otherwise false)
+   * @param originRepositoryName specify for the forked repository. (default is None)
+   * @param originUserName specify for the forked repository. (default is None)
   */
-  def createRepository(repositoryName: String, userName: String, description: Option[String], isPrivate: Boolean): Unit = {
+  def createRepository(repositoryName: String, userName: String, description: Option[String], isPrivate: Boolean,
+                       originRepositoryName: Option[String] = None, originUserName: Option[String] = None,
+                       parentRepositoryName: Option[String] = None, parentUserName: Option[String] = None): Unit = {
    Repositories insert
      Repository(
-        userName         = userName,
-        repositoryName   = repositoryName,
-        isPrivate        = isPrivate,
-        description      = description,
-        defaultBranch    = "master",
-        registeredDate   = currentDate,
-        updatedDate      = currentDate,
-        lastActivityDate = currentDate)
-    
+        userName             = userName,
+        repositoryName       = repositoryName,
+        isPrivate            = isPrivate,
+        description          = description,
+        defaultBranch        = "master",
+        registeredDate       = currentDate,
+        updatedDate          = currentDate,
+        lastActivityDate     = currentDate,
+        originUserName       = originUserName,
+        originRepositoryName = originRepositoryName,
+        parentUserName       = parentUserName,
+        parentRepositoryName = parentRepositoryName)
+
    IssueId insert (userName, repositoryName, 0)
  }

@@ -39,8 +47,10 @@ trait RepositoryService { self: AccountService =>
    Labels        .filter(_.byRepository(userName, repositoryName)).delete
    IssueComments .filter(_.byRepository(userName, repositoryName)).delete
    Issues        .filter(_.byRepository(userName, repositoryName)).delete
+    PullRequests  .filter(_.byRepository(userName, repositoryName)).delete
    IssueId       .filter(_.byRepository(userName, repositoryName)).delete
    Milestones    .filter(_.byRepository(userName, repositoryName)).delete
+    WebHooks      .filter(_.byRepository(userName, repositoryName)).delete
    Repositories  .filter(_.byRepository(userName, repositoryName)).delete
  }

@@ -53,39 +63,6 @@ trait RepositoryService { self: AccountService =>
  def getRepositoryNamesOfUser(userName: String): List[String] =
    Query(Repositories) filter(_.userName is userName.bind) map (_.repositoryName) list

-  /**
-   * Returns the list of specified user's repositories information.
-   *
-   * @param userName the user name
-   * @param baseUrl the base url of this application
-   * @param loginUserName the logged in user name
-   * @return the list of repository information which is sorted in descending order of lastActivityDate.
-   */
-  def getVisibleRepositories(userName: String, baseUrl: String, loginUserName: Option[String]): List[RepositoryInfo] = {
-    val q1 = Repositories
-      .filter { t => t.userName is userName.bind }
-      .map    { r => r }
-
-    val q2 = Collaborators
-      .innerJoin(Repositories).on((t1, t2) => t1.byRepository(t2.userName, t2.repositoryName))
-      .filter{ case (t1, t2) => t1.collaboratorName is userName.bind}
-      .map   { case (t1, t2) => t2 }
-
-    def visibleFor(t: Repositories.type, loginUserName: Option[String]) = {
-      loginUserName match {
-        case Some(x) => (t.isPrivate is false.bind) || (
-          (t.isPrivate is true.bind) && ((t.userName is x.bind) || (Collaborators.filter { c =>
-            c.byRepository(t.userName, t.repositoryName) && (c.collaboratorName is x.bind)
-          }.exists)))
-        case None    => (t.isPrivate is false.bind)
-      }
-    }
-
-    q1.union(q2).filter(visibleFor(_, loginUserName)).sortBy(_.lastActivityDate desc).list map { repository =>
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
-    }
-  }
-
  /**
   * Returns the specified repository information.
   * 
@@ -96,34 +73,69 @@ trait RepositoryService { self: AccountService =>
   */
  def getRepository(userName: String, repositoryName: String, baseUrl: String): Option[RepositoryInfo] = {
    (Query(Repositories) filter { t => t.byRepository(userName, repositoryName) } firstOption) map { repository =>
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
+      // for getting issue count and pull request count
+      val issues = Query(Issues).filter { t =>
+        t.byRepository(repository.userName, repository.repositoryName) && (t.closed is false.bind)
+      }.map(_.pullRequest).list
+
+      new RepositoryInfo(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        issues.size,
+        issues.filter(_ == true).size,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
+    }
+  }
+
+  def getUserRepositories(userName: String, baseUrl: String): List[RepositoryInfo] = {
+    Query(Repositories).filter { t1 =>
+      (t1.userName is userName.bind) ||
+        (Query(Collaborators).filter { t2 => t2.byRepository(t1.userName, t1.repositoryName) && (t2.collaboratorName is userName.bind)} exists)
+    }.sortBy(_.lastActivityDate desc).list.map{ repository =>
+      new RepositoryInfo(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
    }
  }

  /**
-   * Returns the list of accessible repositories information for the specified account user.
-   * 
-   * @param account the account
+   * Returns the list of visible repositories for the specified user.
+   * If repositoryUserName is given then filters results by repository owner.
+   *
+   * @param loginAccount the logged in account
   * @param baseUrl the base url of this application
-   * @return the repository informations which is sorted in descending order of lastActivityDate.
+   * @param repositoryUserName the repository owner (if None then returns all repositories which are visible for logged in user)
+   * @return the repository information which is sorted in descending order of lastActivityDate.
   */
-  def getAccessibleRepositories(account: Option[Account], baseUrl: String): List[RepositoryInfo] = {
-
-    def newRepositoryInfo(repository: Repository): RepositoryInfo = {
-      new RepositoryInfo(JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl), repository)
-    }
-
-    (account match {
+  def getVisibleRepositories(loginAccount: Option[Account], baseUrl: String, repositoryUserName: Option[String] = None): List[RepositoryInfo] = {
+    (loginAccount match {
      // for Administrators
      case Some(x) if(x.isAdmin) => Query(Repositories)
      // for Normal Users
      case Some(x) if(!x.isAdmin) =>
        Query(Repositories) filter { t => (t.isPrivate is false.bind) ||
-          (Query(Collaborators).filter(t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName is x.userName.bind)) exists)
+          (Query(Collaborators).filter { t2 => t2.byRepository(t.userName, t.repositoryName) && (t2.collaboratorName is x.userName.bind)} exists)
        }
      // for Guests
      case None => Query(Repositories) filter(_.isPrivate is false.bind)
-    }).sortBy(_.lastActivityDate desc).list.map(newRepositoryInfo _)
+    }).filter { t =>
+      repositoryUserName.map { userName => t.userName is userName.bind } getOrElse ConstColumn.TRUE
+    }.sortBy(_.lastActivityDate desc).list.map{ repository =>
+      new RepositoryInfo(
+        JGitUtil.getRepositoryInfo(repository.userName, repository.repositoryName, baseUrl),
+        repository,
+        getForkedCount(
+          repository.originUserName.getOrElse(repository.userName),
+          repository.originRepositoryName.getOrElse(repository.repositoryName)
+        ))
+    }
  }

  /**
@@ -161,6 +173,15 @@ trait RepositoryService { self: AccountService =>
  def removeCollaborator(userName: String, repositoryName: String, collaboratorName: String): Unit =
    Collaborators.filter(_.byPrimaryKey(userName, repositoryName, collaboratorName)).delete

+  /**
+   * Remove all collaborators from the repository.
+   *
+   * @param userName the user name of the repository owner
+   * @param repositoryName the repository name
+   */
+  def removeCollaborators(userName: String, repositoryName: String): Unit =
+    Collaborators.filter(_.byRepository(userName, repositoryName)).delete
+
  /**
   * Returns the list of collaborators name which is sorted with ascending order.
   * 
@@ -180,17 +201,42 @@ trait RepositoryService { self: AccountService =>
    }
  }

+  // TODO It must be _.length instead of map (_.issueId) list).length.
+  //       But it does not work on Slick 1.0.1 (worked on Slick 1.0.0).
+  //       https://github.com/slick/slick/issues/170
+  private def getForkedCount(userName: String, repositoryName: String): Int =
+    Query(Repositories).filter { t =>
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
+    }.list.length
+
+
+  def getForkedRepositories(userName: String, repositoryName: String): List[String] =
+    Query(Repositories).filter { t =>
+      (t.originUserName is userName.bind) && (t.originRepositoryName is repositoryName.bind)
+    }
+    .sortBy(_.userName asc).map(_.userName).list
+
 }

 object RepositoryService {

  case class RepositoryInfo(owner: String, name: String, url: String, repository: Repository,
-    commitCount: Int, branchList: List[String], tags: List[util.JGitUtil.TagInfo]){
+    issueCount: Int, pullCount: Int, commitCount: Int, forkedCount: Int,
+    branchList: List[String], tags: List[util.JGitUtil.TagInfo]){

-    def this(repo: JGitUtil.RepositoryInfo, model: Repository) = {
-      this(repo.owner, repo.name, repo.url, model, repo.commitCount, repo.branchList, repo.tags)
-    }
+    /**
+     * Creates instance with issue count and pull request count.
+     */
+    def this(repo: JGitUtil.RepositoryInfo, model: Repository, issueCount: Int, pullCount: Int, forkedCount: Int) =
+      this(repo.owner, repo.name, repo.url, model, issueCount, pullCount, repo.commitCount, forkedCount, repo.branchList, repo.tags)

+    /**
+     * Creates instance without issue count and pull request count.
+     */
+    def this(repo: JGitUtil.RepositoryInfo, model: Repository, forkedCount: Int) =
+      this(repo.owner, repo.name, repo.url, model, 0, 0, repo.commitCount, forkedCount, repo.branchList, repo.tags)
  }

+  case class RepositoryTreeNode(owner: String, name: String, children: List[RepositoryTreeNode])
+
 }
--- a/src/main/scala/service/RequestCache.scala
+++ b/src/main/scala/service/RequestCache.scala
@@ -1,6 +1,7 @@
 package service

 import model._
+import service.SystemSettingsService.SystemSettings

 /**
 * This service is used for a view helper mainly.
@@ -10,6 +11,11 @@ import model._
 */
 trait RequestCache {

+  def getSystemSettings()(implicit context: app.Context): SystemSettings =
+    context.cache("system_settings"){
+      new SystemSettingsService {}.loadSystemSettings()
+    }
+
  def getIssue(userName: String, repositoryName: String, issueId: String)(implicit context: app.Context): Option[Issue] = {
    context.cache(s"issue.${userName}/${repositoryName}#${issueId}"){
      new IssuesService {}.getIssue(userName, repositoryName, issueId)
--- a/src/main/scala/service/SystemSettingsService.scala
+++ b/src/main/scala/service/SystemSettingsService.scala
@@ -1,40 +1,144 @@
-package service
-
-import util.Directory._
-import SystemSettingsService._
-
-trait SystemSettingsService {
-
-  def saveSystemSettings(settings: SystemSettings): Unit = {
-    val props = new java.util.Properties()
-    props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
-    props.store(new java.io.FileOutputStream(GitBucketConf), null)
-  }
-
-
-  def loadSystemSettings(): SystemSettings = {
-    val props = new java.util.Properties()
-    if(GitBucketConf.exists){
-      props.load(new java.io.FileInputStream(GitBucketConf))
-    }
-    SystemSettings(getBoolean(props, "allow_account_registration"))
-  }
-
-}
-
-object SystemSettingsService {
-
-  case class SystemSettings(allowAccountRegistration: Boolean)
-
-  private val AllowAccountRegistration = "allow_account_registration"
-
-  private def getBoolean(props: java.util.Properties, key: String, default: Boolean = false): Boolean = {
-    val value = props.getProperty(key)
-    if(value == null || value.isEmpty){
-      default
-    } else {
-      value.toBoolean
-    }
-  }
-
-}
+package service
+
+import util.Directory._
+import util.ControlUtil._
+import SystemSettingsService._
+
+trait SystemSettingsService {
+
+  def saveSystemSettings(settings: SystemSettings): Unit = {
+    defining(new java.util.Properties()){ props =>
+      props.setProperty(AllowAccountRegistration, settings.allowAccountRegistration.toString)
+      props.setProperty(Gravatar, settings.gravatar.toString)
+      props.setProperty(Notification, settings.notification.toString)
+      if(settings.notification) {
+        settings.smtp.foreach { smtp =>
+          props.setProperty(SmtpHost, smtp.host)
+          smtp.port.foreach(x => props.setProperty(SmtpPort, x.toString))
+          smtp.user.foreach(props.setProperty(SmtpUser, _))
+          smtp.password.foreach(props.setProperty(SmtpPassword, _))
+          smtp.ssl.foreach(x => props.setProperty(SmtpSsl, x.toString))
+        }
+      }
+      props.setProperty(LdapAuthentication, settings.ldapAuthentication.toString)
+      if(settings.ldapAuthentication){
+        settings.ldap.map { ldap =>
+          props.setProperty(LdapHost, ldap.host)
+          ldap.port.foreach(x => props.setProperty(LdapPort, x.toString))
+          ldap.bindDN.foreach(x => props.setProperty(LdapBindDN, x))
+          ldap.bindPassword.foreach(x => props.setProperty(LdapBindPassword, x))
+          props.setProperty(LdapBaseDN, ldap.baseDN)
+          props.setProperty(LdapUserNameAttribute, ldap.userNameAttribute)
+          props.setProperty(LdapMailAddressAttribute, ldap.mailAttribute)
+        }
+      }
+      props.store(new java.io.FileOutputStream(GitBucketConf), null)
+    }
+  }
+
+
+  def loadSystemSettings(): SystemSettings = {
+    defining(new java.util.Properties()){ props =>
+      if(GitBucketConf.exists){
+        props.load(new java.io.FileInputStream(GitBucketConf))
+      }
+      SystemSettings(
+        getValue(props, AllowAccountRegistration, false),
+        getValue(props, Gravatar, true),
+        getValue(props, Notification, false),
+        if(getValue(props, Notification, false)){
+          Some(Smtp(
+            getValue(props, SmtpHost, ""),
+            getOptionValue(props, SmtpPort, Some(DefaultSmtpPort)),
+            getOptionValue(props, SmtpUser, None),
+            getOptionValue(props, SmtpPassword, None),
+            getOptionValue[Boolean](props, SmtpSsl, None)))
+        } else {
+          None
+        },
+        getValue(props, LdapAuthentication, false),
+        if(getValue(props, LdapAuthentication, false)){
+          Some(Ldap(
+            getValue(props, LdapHost, ""),
+            getOptionValue(props, LdapPort, Some(DefaultLdapPort)),
+            getOptionValue(props, LdapBindDN, None),
+            getOptionValue(props, LdapBindPassword, None),
+            getValue(props, LdapBaseDN, ""),
+            getValue(props, LdapUserNameAttribute, ""),
+            getValue(props, LdapMailAddressAttribute, "")))
+        } else {
+          None
+        }
+      )
+    }
+  }
+
+}
+
+object SystemSettingsService {
+  import scala.reflect.ClassTag
+
+  case class SystemSettings(
+    allowAccountRegistration: Boolean,
+    gravatar: Boolean,
+    notification: Boolean,
+    smtp: Option[Smtp],
+    ldapAuthentication: Boolean,
+    ldap: Option[Ldap])
+
+  case class Ldap(
+    host: String,
+    port: Option[Int],
+    bindDN: Option[String],
+    bindPassword: Option[String],
+    baseDN: String,
+    userNameAttribute: String,
+    mailAttribute: String)
+
+  case class Smtp(
+    host: String,
+    port: Option[Int],
+    user: Option[String],
+    password: Option[String],
+    ssl: Option[Boolean])
+
+  val DefaultSmtpPort = 25
+  val DefaultLdapPort = 389
+
+  private val AllowAccountRegistration = "allow_account_registration"
+  private val Gravatar = "gravatar"
+  private val Notification = "notification"
+  private val SmtpHost = "smtp.host"
+  private val SmtpPort = "smtp.port"
+  private val SmtpUser = "smtp.user"
+  private val SmtpPassword = "smtp.password"
+  private val SmtpSsl = "smtp.ssl"
+  private val LdapAuthentication = "ldap_authentication"
+  private val LdapHost = "ldap.host"
+  private val LdapPort = "ldap.port"
+  private val LdapBindDN = "ldap.bindDN"
+  private val LdapBindPassword = "ldap.bind_password"
+  private val LdapBaseDN = "ldap.baseDN"
+  private val LdapUserNameAttribute = "ldap.username_attribute"
+  private val LdapMailAddressAttribute = "ldap.mail_attribute"
+
+  private def getValue[A: ClassTag](props: java.util.Properties, key: String, default: A): A =
+    defining(props.getProperty(key)){ value =>
+      if(value == null || value.isEmpty) default
+      else convertType(value).asInstanceOf[A]
+    }
+
+  private def getOptionValue[A: ClassTag](props: java.util.Properties, key: String, default: Option[A]): Option[A] =
+    defining(props.getProperty(key)){ value =>
+      if(value == null || value.isEmpty) default
+      else Some(convertType(value)).asInstanceOf[Option[A]]
+    }
+
+  private def convertType[A: ClassTag](value: String) =
+    defining(implicitly[ClassTag[A]].runtimeClass){ c =>
+      if(c == classOf[Boolean])  value.toBoolean
+      else if(c == classOf[Int]) value.toInt
+      else value
+    }
+
+}
--- a/src/main/scala/service/WebHookService.scala
+++ b/src/main/scala/service/WebHookService.scala
@@ -0,0 +1,145 @@
+package service
+
+import scala.slick.driver.H2Driver.simple._
+import Database.threadLocalSession
+
+import model._
+import org.slf4j.LoggerFactory
+import service.RepositoryService.RepositoryInfo
+import util.JGitUtil
+import org.eclipse.jgit.diff.DiffEntry
+import util.JGitUtil.CommitInfo
+import org.eclipse.jgit.api.Git
+import org.apache.http.message.BasicNameValuePair
+import org.apache.http.client.entity.UrlEncodedFormEntity
+import org.apache.http.protocol.HTTP
+import org.apache.http.NameValuePair
+
+trait WebHookService {
+  import WebHookService._
+
+  private val logger = LoggerFactory.getLogger(classOf[WebHookService])
+
+  def getWebHookURLs(owner: String, repository: String): List[WebHook] =
+    Query(WebHooks).filter(_.byRepository(owner, repository)).sortBy(_.url).list
+
+  def addWebHookURL(owner: String, repository: String, url :String): Unit =
+    WebHooks.insert(WebHook(owner, repository, url))
+
+  def deleteWebHookURL(owner: String, repository: String, url :String): Unit =
+    Query(WebHooks).filter(_.byPrimaryKey(owner, repository, url)).delete
+
+  def callWebHook(owner: String, repository: String, payload: WebHookPayload): Unit = {
+    import org.json4s._
+    import org.json4s.jackson.Serialization
+    import org.json4s.jackson.Serialization.{read, write}
+    import org.apache.http.client.methods.HttpPost
+    import org.apache.http.impl.client.DefaultHttpClient
+    import scala.concurrent._
+    import ExecutionContext.Implicits.global
+
+    logger.debug("start callWebHook")
+    implicit val formats = Serialization.formats(NoTypeHints)
+
+    val webHookURLs = getWebHookURLs(owner, repository)
+
+    if(webHookURLs.nonEmpty){
+      val json = write(payload)
+      val httpClient = new DefaultHttpClient()
+
+      webHookURLs.foreach { webHookUrl =>
+        val f = future {
+          logger.debug(s"start web hook invocation for ${webHookUrl}")
+          val httpPost = new HttpPost(webHookUrl.url)
+
+          val params: java.util.List[NameValuePair] = new java.util.ArrayList()
+          params.add(new BasicNameValuePair("payload", json))
+          httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"))
+
+          httpClient.execute(httpPost)
+          httpPost.releaseConnection()
+          logger.debug(s"end web hook invocation for ${webHookUrl}")
+        }
+        f.onSuccess {
+          case s => logger.debug(s"Success: web hook request to ${webHookUrl.url}")
+        }
+        f.onFailure {
+          case t => logger.error(s"Failed: web hook request to ${webHookUrl.url}", t)
+        }
+      }
+    }
+    logger.debug("end callWebHook")
+  }
+
+}
+
+object WebHookService {
+
+  case class WebHookPayload(
+    ref: String,
+    commits: List[WebHookCommit],
+    repository: WebHookRepository)
+
+  object WebHookPayload {
+    def apply(git: Git, refName: String, repositoryInfo: RepositoryInfo,
+              commits: List[CommitInfo], repositoryOwner: Account): WebHookPayload =
+      WebHookPayload(
+        refName,
+        commits.map { commit =>
+          val diffs = JGitUtil.getDiffs(git, commit.id, false)
+          val commitUrl = repositoryInfo.url.replaceFirst("/git/", "/").replaceFirst("\\.git$", "") + "/commit/" + commit.id
+
+          WebHookCommit(
+            id        = commit.id,
+            message   = commit.fullMessage,
+            timestamp = commit.time.toString,
+            url       = commitUrl,
+            added     = diffs._1.collect { case x if(x.changeType == DiffEntry.ChangeType.ADD)    => x.newPath },
+            removed   = diffs._1.collect { case x if(x.changeType == DiffEntry.ChangeType.DELETE) => x.oldPath },
+            modified  = diffs._1.collect { case x if(x.changeType != DiffEntry.ChangeType.ADD &&
+              x.changeType != DiffEntry.ChangeType.DELETE) => x.newPath },
+            author    = WebHookUser(
+              name  = commit.committer,
+              email = commit.mailAddress
+            )
+          )
+        }.toList,
+        WebHookRepository(
+          name        = repositoryInfo.name,
+          url         = repositoryInfo.url,
+          description = repositoryInfo.repository.description.getOrElse(""),
+          watchers    = 0,
+          forks       = repositoryInfo.forkedCount,
+          `private`   = repositoryInfo.repository.isPrivate,
+          owner = WebHookUser(
+            name  = repositoryOwner.userName,
+            email = repositoryOwner.mailAddress
+          )
+        )
+      )
+  }
+
+  case class WebHookCommit(
+    id: String,
+    message: String,
+    timestamp: String,
+    url: String,
+    added: List[String],
+    removed: List[String],
+    modified: List[String],
+    author: WebHookUser)
+
+  case class WebHookRepository(
+    name: String,
+    url: String,
+    description: String,
+    watchers: Int,
+    forks: Int,
+    `private`: Boolean,
+    owner: WebHookUser)
+
+  case class WebHookUser(
+    name: String,
+    email: String)
+
+}
--- a/src/main/scala/service/WikiService.scala
+++ b/src/main/scala/service/WikiService.scala
@@ -4,11 +4,8 @@ import java.io.File
 import java.util.Date
 import org.eclipse.jgit.api.Git
 import org.apache.commons.io.FileUtils
-import util.JGitUtil.DiffInfo
-import util.{Directory, JGitUtil}
-import org.eclipse.jgit.lib.RepositoryBuilder
-import org.eclipse.jgit.treewalk.CanonicalTreeParser
-import java.util.concurrent.ConcurrentHashMap
+import util.{Directory, JGitUtil, LockUtil}
+import util.ControlUtil._

 object WikiService {
  
@@ -32,65 +29,35 @@ object WikiService {
   */
  case class WikiPageHistoryInfo(name: String, committer: String, message: String, date: Date)

-  /**
-   * lock objects
-   */
-  private val locks = new ConcurrentHashMap[String, AnyRef]()
-
-  /**
-   * Returns the lock object for the specified repository.
-   */
-  private def getLockObject(owner: String, repository: String): AnyRef = synchronized {
-    val key = owner + "/" + repository
-    if(!locks.containsKey(key)){
-      locks.put(key, new AnyRef())
-    }
-    locks.get(key)
-  }
-
-  /**
-   * Synchronizes a given function which modifies the working copy of the wiki repository.
-   *
-   * @param owner the repository owner
-   * @param repository the repository name
-   * @param f the function which modifies the working copy of the wiki repository
-   * @tparam T the return type of the given function
-   * @return the result of the given function
-   */
-  def lock[T](owner: String, repository: String)(f: => T): T = getLockObject(owner, repository).synchronized(f)
-
 }

 trait WikiService {
  import WikiService._

-  def createWikiRepository(owner: model.Account, repository: String): Unit = {
-    lock(owner.userName, repository){
-      val dir = Directory.getWikiRepositoryDir(owner.userName, repository)
-      if(!dir.exists){
-        try {
-          JGitUtil.initRepository(dir)
-          saveWikiPage(owner.userName, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", owner, "Initial Commit")
-        } finally {
-          // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
-          FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner.userName, repository))
+  def createWikiRepository(loginAccount: model.Account, owner: String, repository: String): Unit =
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiRepositoryDir(owner, repository)){ dir =>
+        if(!dir.exists){
+          try {
+            JGitUtil.initRepository(dir)
+            saveWikiPage(owner, repository, "Home", "Home", s"Welcome to the ${repository} wiki!!", loginAccount, "Initial Commit")
+          } finally {
+            // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
+            FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner, repository))
+          }
        }
      }
    }
-  }
-  
+
  /**
   * Returns the wiki page.
   */
  def getWikiPage(owner: String, repository: String, pageName: String): Option[WikiPageInfo] = {
-    JGitUtil.withGit(Directory.getWikiRepositoryDir(owner, repository)){ git =>
-      try {
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      optionIf(!JGitUtil.isEmpty(git)){
        JGitUtil.getFileList(git, "master", ".").find(_.name == pageName + ".md").map { file =>
          WikiPageInfo(file.name, new String(git.getRepository.open(file.id).getBytes, "UTF-8"), file.committer, file.time)
        }
-      } catch {
-        // TODO no commit, but it should not judge by exception.
-        case e: NullPointerException => None
      }
    }
  }
@@ -98,9 +65,9 @@ trait WikiService {
  /**
   * Returns the content of the specified file.
   */
-  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] = {
-    JGitUtil.withGit(Directory.getWikiRepositoryDir(owner, repository)){ git =>
-      try {
+  def getFileContent(owner: String, repository: String, path: String): Option[Array[Byte]] =
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      optionIf(!JGitUtil.isEmpty(git)){
        val index = path.lastIndexOf('/')
        val parentPath = if(index < 0) "."  else path.substring(0, index)
        val fileName   = if(index < 0) path else path.substring(index + 1)
@@ -108,57 +75,53 @@ trait WikiService {
        JGitUtil.getFileList(git, "master", parentPath).find(_.name == fileName).map { file =>
          git.getRepository.open(file.id).getBytes
        }
-      } catch {
-        // TODO no commit, but it should not judge by exception.
-        case e: NullPointerException => None
      }
    }
-  }

  /**
   * Returns the list of wiki page names.
   */
  def getWikiPageList(owner: String, repository: String): List[String] = {
-    JGitUtil.getFileList(Git.open(Directory.getWikiRepositoryDir(owner, repository)), "master", ".")
-      .filter(_.name.endsWith(".md"))
-      .map(_.name.replaceFirst("\\.md$", ""))
-      .sortBy(x => x)
+    using(Git.open(Directory.getWikiRepositoryDir(owner, repository))){ git =>
+      JGitUtil.getFileList(git, "master", ".")
+        .filter(_.name.endsWith(".md"))
+        .map(_.name.replaceFirst("\\.md$", ""))
+        .sortBy(x => x)
+    }
  }
  
  /**
   * Save the wiki page.
   */
  def saveWikiPage(owner: String, repository: String, currentPageName: String, newPageName: String,
-      content: String, committer: model.Account, message: String): Unit = {
+      content: String, committer: model.Account, message: String): Option[String] = {

-    lock(owner, repository){
-      // clone working copy
-      val workDir = Directory.getWikiWorkDir(owner, repository)
-      cloneOrPullWorkingCopy(workDir, owner, repository)
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiWorkDir(owner, repository)){ workDir =>
+        // clone working copy
+        cloneOrPullWorkingCopy(workDir, owner, repository)

-      // write as file
-      JGitUtil.withGit(workDir){ git =>
-        val file = new File(workDir, newPageName + ".md")
-        val added = if(!file.exists || FileUtils.readFileToString(file, "UTF-8") != content){
-          FileUtils.writeStringToFile(file, content, "UTF-8")
-          git.add.addFilepattern(file.getName).call
-          true
-        } else {
-          false
-        }
+        // write as file
+        using(Git.open(workDir)){ git =>
+          defining(new File(workDir, newPageName + ".md")){ file =>
+            val added = executeIf(!file.exists || FileUtils.readFileToString(file, "UTF-8") != content){
+              FileUtils.writeStringToFile(file, content, "UTF-8")
+              git.add.addFilepattern(file.getName).call
+            }

-        // delete file
-        val deleted = if(currentPageName != "" && currentPageName != newPageName){
-          git.rm.addFilepattern(currentPageName + ".md").call
-          true
-        } else {
-          false
-        }
+            // delete file
+            val deleted = executeIf(currentPageName != "" && currentPageName != newPageName){
+              git.rm.addFilepattern(currentPageName + ".md").call
+            }

-        // commit and push
-        if(added || deleted){
-          git.commit.setCommitter(committer.userName, committer.mailAddress).setMessage(message).call
-          git.push.call
+            // commit and push
+            optionIf(added || deleted){
+              defining(git.commit.setCommitter(committer.userName, committer.mailAddress).setMessage(message).call){ commit =>
+                git.push.call
+                Some(commit.getName)
+              }
+            }
+          }
        }
      }
    }
@@ -167,55 +130,37 @@ trait WikiService {
  /**
   * Delete the wiki page.
   */
-  def deleteWikiPage(owner: String, repository: String, pageName: String, committer: String, message: String): Unit = {
-    lock(owner, repository){
-      // clone working copy
-      val workDir = Directory.getWikiWorkDir(owner, repository)
-      cloneOrPullWorkingCopy(workDir, owner, repository)
+  def deleteWikiPage(owner: String, repository: String, pageName: String,
+                     committer: String, mailAddress: String, message: String): Unit = {
+    LockUtil.lock(s"${owner}/${repository}/wiki"){
+      defining(Directory.getWikiWorkDir(owner, repository)){ workDir =>
+        // clone working copy
+        cloneOrPullWorkingCopy(workDir, owner, repository)

-      // delete file
-      new File(workDir, pageName + ".md").delete
-    
-      JGitUtil.withGit(workDir){ git =>
-        git.rm.addFilepattern(pageName + ".md").call
-    
-        // commit and push
-        // TODO committer's mail address
-        git.commit.setAuthor(committer, committer + "@devnull").setMessage(message).call
-        git.push.call
+        // delete file
+        new File(workDir, pageName + ".md").delete
+
+        using(Git.open(workDir)){ git =>
+          git.rm.addFilepattern(pageName + ".md").call
+
+          // commit and push
+          git.commit.setAuthor(committer, mailAddress).setMessage(message).call
+          git.push.call
+        }
      }
    }
  }

-  /**
-   * Returns differences between specified commits.
-   */
-  def getWikiDiffs(git: Git, commitId1: String, commitId2: String): List[DiffInfo] = {
-      // get diff between specified commit and its previous commit
-      val reader = git.getRepository.newObjectReader
-      
-      val oldTreeIter = new CanonicalTreeParser
-      oldTreeIter.reset(reader, git.getRepository.resolve(commitId1 + "^{tree}"))
-      
-      val newTreeIter = new CanonicalTreeParser
-      newTreeIter.reset(reader, git.getRepository.resolve(commitId2 + "^{tree}"))
-      
-      import scala.collection.JavaConverters._
-      git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
-        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
-            JGitUtil.getContent(git, diff.getOldId.toObjectId, false).map(new String(_, "UTF-8")), 
-            JGitUtil.getContent(git, diff.getNewId.toObjectId, false).map(new String(_, "UTF-8")))
-      }.toList
-  }
-
  private def cloneOrPullWorkingCopy(workDir: File, owner: String, repository: String): Unit = {
    if(!workDir.exists){
      Git.cloneRepository
        .setURI(Directory.getWikiRepositoryDir(owner, repository).toURI.toString)
        .setDirectory(workDir)
        .call
-    } else {
-      Git.open(workDir).pull.call
+        .getRepository
+        .close
+    } else using(Git.open(workDir)){ git =>
+      git.pull.call
    }
  }

--- a/src/main/scala/servlet/AutoUpdateListener.scala
+++ b/src/main/scala/servlet/AutoUpdateListener.scala
@@ -6,7 +6,9 @@ import org.apache.commons.io.FileUtils
 import javax.servlet.ServletContextEvent
 import org.apache.commons.io.IOUtils
 import org.slf4j.LoggerFactory
-import util.Directory
+import util.Directory._
+import util.ControlUtil._
+import org.eclipse.jgit.api.Git

 object AutoUpdate {
  
@@ -26,15 +28,14 @@ object AutoUpdate {
     */
    def update(conn: Connection): Unit = {
      val sqlPath = s"update/${majorVersion}_${minorVersion}.sql"
-      val in = Thread.currentThread.getContextClassLoader.getResourceAsStream(sqlPath)
-      if(in != null){
-        val sql = IOUtils.toString(in, "UTF-8")
-        val stmt = conn.createStatement()
-        try {
-          logger.debug(sqlPath + "=" + sql)
-          stmt.executeUpdate(sql)
-        } finally {
-          stmt.close()
+
+      using(Thread.currentThread.getContextClassLoader.getResourceAsStream(sqlPath)){ in =>
+        if(in != null){
+          val sql = IOUtils.toString(in, "UTF-8")
+          using(conn.createStatement()){ stmt =>
+            logger.debug(sqlPath + "=" + sql)
+            stmt.executeUpdate(sql)
+          }
        }
      }
    }
@@ -49,20 +50,24 @@ object AutoUpdate {
   * The history of versions. A head of this sequence is the current BitBucket version.
   */
  val versions = Seq(
+    Version(1, 6),
+    Version(1, 5),
+    Version(1, 4),
    new Version(1, 3){
      override def update(conn: Connection): Unit = {
        super.update(conn)
        // Fix wiki repository configuration
-        val rs = conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")
-        while(rs.next){
-          val wikidir = Directory.getWikiRepositoryDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME"))
-          val repository = org.eclipse.jgit.api.Git.open(wikidir).getRepository
-          val config = repository.getConfig
-          if(!config.getBoolean("http", "receivepack", false)){
-            config.setBoolean("http", null, "receivepack", true)
-            config.save
+        using(conn.createStatement.executeQuery("SELECT USER_NAME, REPOSITORY_NAME FROM REPOSITORY")){ rs =>
+          while(rs.next){
+            using(Git.open(getWikiRepositoryDir(rs.getString("USER_NAME"), rs.getString("REPOSITORY_NAME")))){ git =>
+              defining(git.getRepository.getConfig){ config =>
+                if(!config.getBoolean("http", "receivepack", false)){
+                  config.setBoolean("http", null, "receivepack", true)
+                  config.save
+                }
+              }
+            }
          }
-          repository.close
        }
      }
    },
@@ -79,7 +84,7 @@ object AutoUpdate {
  /**
   * The version file (GITBUCKET_HOME/version).
   */
-  val versionFile = new File(Directory.GitBucketHome, "version")
+  val versionFile = new File(GitBucketHome, "version")
  
  /**
   * Returns the current version from the version file.
@@ -110,25 +115,29 @@ class AutoUpdateListener extends org.h2.server.web.DbStarter {
  private val logger = LoggerFactory.getLogger(classOf[AutoUpdateListener])
  
  override def contextInitialized(event: ServletContextEvent): Unit = {
+    event.getServletContext.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome}")
    super.contextInitialized(event)
    logger.debug("H2 started")
    
    logger.debug("Start schema update")
-    val conn = getConnection()
-    try {
-      val currentVersion = getCurrentVersion()
-      if(currentVersion == headVersion){
-        logger.debug("No update")
-      } else {
-        versions.takeWhile(_ != currentVersion).reverse.foreach(_.update(conn))
-        FileUtils.writeStringToFile(versionFile, headVersion.versionString, "UTF-8")
-        conn.commit()
-        logger.debug("Updated from " + currentVersion.versionString + " to " + headVersion.versionString)
-      }
-    } catch {
-      case ex: Throwable => {
-        logger.error("Failed to schema update", ex)
-        conn.rollback()
+    defining(getConnection()){ conn =>
+      try {
+        defining(getCurrentVersion()){ currentVersion =>
+          if(currentVersion == headVersion){
+            logger.debug("No update")
+          } else {
+            versions.takeWhile(_ != currentVersion).reverse.foreach(_.update(conn))
+            FileUtils.writeStringToFile(versionFile, headVersion.versionString, "UTF-8")
+            conn.commit()
+            logger.debug("Updated from " + currentVersion.versionString + " to " + headVersion.versionString)
+          }
+        }
+      } catch {
+        case ex: Throwable => {
+          logger.error("Failed to schema update", ex)
+          ex.printStackTrace()
+          conn.rollback()
+        }
      }
    }
    logger.debug("End schema update")
--- a/src/main/scala/servlet/BasicAuthenticationFilter.scala
+++ b/src/main/scala/servlet/BasicAuthenticationFilter.scala
@@ -2,14 +2,16 @@ package servlet

 import javax.servlet._
 import javax.servlet.http._
-import util.StringUtil._
-import service.{AccountService, RepositoryService}
+import service.{SystemSettingsService, AccountService, RepositoryService}
 import org.slf4j.LoggerFactory
+import util.Implicits._
+import util.ControlUtil._
+import util.Keys

 /**
 * Provides BASIC Authentication for [[servlet.GitRepositoryServlet]].
 */
-class BasicAuthenticationFilter extends Filter with RepositoryService with AccountService {
+class BasicAuthenticationFilter extends Filter with RepositoryService with AccountService with SystemSettingsService {

  private val logger = LoggerFactory.getLogger(classOf[BasicAuthenticationFilter])

@@ -26,28 +28,30 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
    }

    try {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      val repositoryOwner = paths(2)
-      val repositoryName  = paths(3).replaceFirst("\\.git$", "")
-
-      getRepository(repositoryOwner, repositoryName.replaceFirst("\\.wiki", ""), "") match {
-        case Some(repository) => {
-          if(!request.getRequestURI.endsWith("/git-receive-pack") && !repository.repository.isPrivate){
-            chain.doFilter(req, wrappedResponse)
-          } else {
-            request.getHeader("Authorization") match {
-              case null => requireAuth(response)
-              case auth => decodeAuthHeader(auth).split(":") match {
-                case Array(username, password) if(isWritableUser(username, password, repository)) => {
-                  request.setAttribute("USER_NAME", username)
-                  chain.doFilter(req, wrappedResponse)
+      defining(request.paths){ case Array(_, repositoryOwner, repositoryName, _*) =>
+        getRepository(repositoryOwner, repositoryName.replaceFirst("\\.wiki\\.git$|\\.git$", ""), "") match {
+          case Some(repository) => {
+            if(!request.getRequestURI.endsWith("/git-receive-pack") &&
+              !"service=git-receive-pack".equals(request.getQueryString) && !repository.repository.isPrivate){
+              chain.doFilter(req, wrappedResponse)
+            } else {
+              request.getHeader("Authorization") match {
+                case null => requireAuth(response)
+                case auth => decodeAuthHeader(auth).split(":") match {
+                  case Array(username, password) if(isWritableUser(username, password, repository)) => {
+                    request.setAttribute(Keys.Request.UserName, username)
+                    chain.doFilter(req, wrappedResponse)
+                  }
+                  case _ => requireAuth(response)
                }
-                case _ => requireAuth(response)
              }
            }
          }
+          case None => {
+            logger.debug(s"Repository ${repositoryOwner}/${repositoryName} is not found.")
+            response.sendError(HttpServletResponse.SC_NOT_FOUND)
+          }
        }
-        case None => response.sendError(HttpServletResponse.SC_NOT_FOUND)
      }
    } catch {
      case ex: Exception => {
@@ -57,12 +61,12 @@ class BasicAuthenticationFilter extends Filter with RepositoryService with Accou
    }
  }

-  private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean = {
-    getAccountByUserName(username).map { account =>
-      account.password == sha1(password) && hasWritePermission(repository.owner, repository.name, Some(account))
-    } getOrElse false
-  }
-  
+  private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean =
+    authenticate(loadSystemSettings(), username, password) match {
+      case Some(account) => hasWritePermission(repository.owner, repository.name, Some(account))
+      case None => false
+    }
+
  private def requireAuth(response: HttpServletResponse): Unit = {
    response.setHeader("WWW-Authenticate", "BASIC realm=\"GitBucket\"")
    response.sendError(HttpServletResponse.SC_UNAUTHORIZED)
--- a/src/main/scala/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/servlet/GitRepositoryServlet.scala
@@ -9,8 +9,12 @@ import org.slf4j.LoggerFactory
 import javax.servlet.ServletConfig
 import javax.servlet.ServletContext
 import javax.servlet.http.HttpServletRequest
-import util.{JGitUtil, Directory}
+import util.{Keys, JGitUtil, Directory}
+import util.ControlUtil._
+import util.Implicits._
 import service._
+import WebHookService._
+import org.eclipse.jgit.api.Git

 /**
 * Provides Git repository via HTTP.
@@ -24,7 +28,7 @@ class GitRepositoryServlet extends GitServlet {
  
  override def init(config: ServletConfig): Unit = {
    setReceivePackFactory(new GitBucketReceivePackFactory())
-    
+
    // TODO are there any other ways...?
    super.init(new ServletConfig(){
      def getInitParameter(name: String): String = name match {
@@ -33,12 +37,14 @@ class GitRepositoryServlet extends GitServlet {
        case name => config.getInitParameter(name)
      }
      def getInitParameterNames(): java.util.Enumeration[String] = {
-        config.getInitParameterNames
+         config.getInitParameterNames
      }
-      
+
      def getServletContext(): ServletContext = config.getServletContext
      def getServletName(): String = config.getServletName
    });
+
+    super.init(config)
  }
  
 }
@@ -49,31 +55,34 @@ class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest]
  
  override def create(request: HttpServletRequest, db: Repository): ReceivePack = {
    val receivePack = new ReceivePack(db)
-    val userName = request.getAttribute("USER_NAME").asInstanceOf[String]
+    val userName = request.getAttribute(Keys.Request.UserName).asInstanceOf[String]

    logger.debug("requestURI: " + request.getRequestURI)
    logger.debug("userName:" + userName)

-    val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-    val owner      = paths(2)
-    val repository = paths(3).replaceFirst("\\.git$", "")
-    
-    logger.debug("repository:" + owner + "/" + repository)
+    defining(request.paths){ paths =>
+      val owner      = paths(1)
+      val repository = paths(2).replaceFirst("\\.git$", "")
+      val baseURL    = request.getRequestURL.toString.replaceFirst("/git/.*", "")

-    receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, userName))
-    receivePack
+      logger.debug("repository:" + owner + "/" + repository)
+      logger.debug("baseURL:" + baseURL)
+
+      receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, userName, baseURL))
+      receivePack
+    }
  }
 }

 import scala.collection.JavaConverters._

-class CommitLogHook(owner: String, repository: String, userName: String) extends PostReceiveHook
-  with RepositoryService with AccountService with IssuesService with ActivityService {
+class CommitLogHook(owner: String, repository: String, userName: String, baseURL: String) extends PostReceiveHook
+  with RepositoryService with AccountService with IssuesService with ActivityService with WebHookService {
  
  private val logger = LoggerFactory.getLogger(classOf[CommitLogHook])
  
  def onPostReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
-    JGitUtil.withGit(Directory.getRepositoryDir(owner, repository)) { git =>
+    using(Git.open(Directory.getRepositoryDir(owner, repository))) { git =>
      commands.asScala.foreach { command =>
        val commits = JGitUtil.getCommitLog(git, command.getOldId.name, command.getNewId.name)
        val refName = command.getRefName.split("/")
@@ -108,6 +117,16 @@ class CommitLogHook(owner: String, repository: String, userName: String) extends
            case _ =>
          }
        }
+
+        // call web hook
+        val payload = WebHookPayload(
+          git,
+          command.getRefName,
+          getRepository(owner, repository, baseURL).get,
+          newCommits,
+          getAccountByUserName(owner).get)
+
+        callWebHook(owner, repository, payload)
      }
    }
    // update repository last modified time.
--- a/src/main/scala/servlet/SessionCleanupListener.scala
+++ b/src/main/scala/servlet/SessionCleanupListener.scala
@@ -1,17 +1,15 @@
 package servlet

-import util.FileUploadUtil
 import javax.servlet.http.{HttpSessionEvent, HttpSessionListener}
+import app.FileUploadControllerBase

 /**
 * Removes session associated temporary files when session is destroyed.
 */
-class SessionCleanupListener extends HttpSessionListener {
+class SessionCleanupListener extends HttpSessionListener with FileUploadControllerBase {

  def sessionCreated(se: HttpSessionEvent): Unit = {}

-  def sessionDestroyed(se: HttpSessionEvent): Unit = {
-    FileUploadUtil.removeTemporaryFiles()(se.getSession)
-  }
+  def sessionDestroyed(se: HttpSessionEvent): Unit = removeTemporaryFiles()(se.getSession)

 }
--- a/src/main/scala/servlet/TransactionFilter.scala
+++ b/src/main/scala/servlet/TransactionFilter.scala
@@ -3,7 +3,6 @@ package servlet
 import javax.servlet._
 import org.slf4j.LoggerFactory
 import javax.servlet.http.HttpServletRequest
-import scala.slick.session.Database

 /**
 * Controls the transaction with the open session in view pattern.
@@ -21,15 +20,19 @@ class TransactionFilter extends Filter {
      // assets don't need transaction
      chain.doFilter(req, res)
    } else {
-      val context = req.getServletContext
-      Database.forURL(context.getInitParameter("db.url"),
-          context.getInitParameter("db.user"),
-          context.getInitParameter("db.password")) withTransaction {
-        logger.debug("TODO begin transaction")
+      Database(req.getServletContext) withTransaction {
+        logger.debug("begin transaction")
        chain.doFilter(req, res)
-        logger.debug("TODO end transaction")
+        logger.debug("end transaction")
      }
    }
  }
-  
-}
+
+}
+
+object Database {
+  def apply(context: ServletContext): scala.slick.session.Database =
+    scala.slick.session.Database.forURL(context.getInitParameter("db.url"),
+        context.getInitParameter("db.user"),
+        context.getInitParameter("db.password"))
+}
--- a/src/main/scala/util/Authenticator.scala
+++ b/src/main/scala/util/Authenticator.scala
@@ -3,6 +3,8 @@ package util
 import app.ControllerBase
 import service._
 import RepositoryService.RepositoryInfo
+import util.Implicits._
+import util.ControlUtil._

 /**
 * Allows only oneself and administrators.
@@ -13,11 +15,12 @@ trait OneselfAuthenticator { self: ControllerBase =>

  private def authenticate(action: => Any) = {
    {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      context.loginAccount match {
-        case Some(x) if(x.isAdmin) => action
-        case Some(x) if(paths(1) == x.userName) => action
-        case _ => Unauthorized()
+      defining(request.paths){ paths =>
+        context.loginAccount match {
+          case Some(x) if(x.isAdmin) => action
+          case Some(x) if(paths(0) == x.userName) => action
+          case _ => Unauthorized()
+        }
      }
    }
  }
@@ -32,14 +35,15 @@ trait OwnerAuthenticator { self: ControllerBase with RepositoryService =>

  private def authenticate(action: (RepositoryInfo) => Any) = {
    {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(repository.owner == x.userName) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(repository.owner == x.userName) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
    }
  }
 }
@@ -87,15 +91,16 @@ trait CollaboratorsAuthenticator { self: ControllerBase with RepositoryService =

  private def authenticate(action: (RepositoryInfo) => Any) = {
    {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(paths(1) == x.userName) => action(repository)
-          case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(paths(0) == x.userName) => action(repository)
+            case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
    }
  }
 }
@@ -109,19 +114,20 @@ trait ReferrerAuthenticator { self: ControllerBase with RepositoryService =>

  private def authenticate(action: (RepositoryInfo) => Any) = {
    {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        if(!repository.repository.isPrivate){
-          action(repository)
-        } else {
-          context.loginAccount match {
-            case Some(x) if(x.isAdmin) => action(repository)
-            case Some(x) if(paths(1) == x.userName) => action(repository)
-            case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-            case _ => Unauthorized()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          if(!repository.repository.isPrivate){
+            action(repository)
+          } else {
+            context.loginAccount match {
+              case Some(x) if(x.isAdmin) => action(repository)
+              case Some(x) if(paths(0) == x.userName) => action(repository)
+              case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+              case _ => Unauthorized()
+            }
          }
-        }
-      } getOrElse NotFound()
+        } getOrElse NotFound()
+      }
    }
  }
 }
@@ -135,16 +141,17 @@ trait ReadableUsersAuthenticator { self: ControllerBase with RepositoryService =

  private def authenticate(action: (RepositoryInfo) => Any) = {
    {
-      val paths = request.getRequestURI.substring(request.getContextPath.length).split("/")
-      getRepository(paths(1), paths(2), baseUrl).map { repository =>
-        context.loginAccount match {
-          case Some(x) if(x.isAdmin) => action(repository)
-          case Some(x) if(!repository.repository.isPrivate) => action(repository)
-          case Some(x) if(paths(1) == x.userName) => action(repository)
-          case Some(x) if(getCollaborators(paths(1), paths(2)).contains(x.userName)) => action(repository)
-          case _ => Unauthorized()
-        }
-      } getOrElse NotFound()
+      defining(request.paths){ paths =>
+        getRepository(paths(0), paths(1), baseUrl).map { repository =>
+          context.loginAccount match {
+            case Some(x) if(x.isAdmin) => action(repository)
+            case Some(x) if(!repository.repository.isPrivate) => action(repository)
+            case Some(x) if(paths(0) == x.userName) => action(repository)
+            case Some(x) if(getCollaborators(paths(0), paths(1)).contains(x.userName)) => action(repository)
+            case _ => Unauthorized()
+          }
+        } getOrElse NotFound()
+      }
    }
  }
 }
--- a/src/main/scala/util/ControlUtil.scala
+++ b/src/main/scala/util/ControlUtil.scala
@@ -0,0 +1,48 @@
+package util
+
+import org.eclipse.jgit.api.Git
+import org.eclipse.jgit.revwalk.RevWalk
+import org.eclipse.jgit.treewalk.TreeWalk
+
+/**
+ * Provides control facilities.
+ */
+object ControlUtil {
+
+  def defining[A, B](value: A)(f: A => B): B = f(value)
+
+  def using[A <% { def close(): Unit }, B](resource: A)(f: A => B): B =
+    try f(resource) finally {
+      if(resource != null){
+        try {
+          resource.close()
+        } catch {
+          case e: Throwable => // ignore
+        }
+      }
+    }
+
+  def using[T](git: Git)(f: Git => T): T =
+    try f(git) finally git.getRepository.close
+
+  def using[T](git1: Git, git2: Git)(f: (Git, Git) => T): T =
+    try f(git1, git2) finally {
+      git1.getRepository.close
+      git2.getRepository.close
+    }
+
+  def using[T](revWalk: RevWalk)(f: RevWalk => T): T =
+    try f(revWalk) finally revWalk.release()
+
+  def using[T](treeWalk: TreeWalk)(f: TreeWalk => T): T =
+    try f(treeWalk) finally treeWalk.release()
+
+  def executeIf(condition: => Boolean)(action: => Unit): Boolean =
+    if(condition){
+      action
+      true
+    } else false
+
+  def optionIf[T](condition: => Boolean)(action: => Option[T]): Option[T] =
+    if(condition) action else None
+}
--- a/src/main/scala/util/Directory.scala
+++ b/src/main/scala/util/Directory.scala
@@ -1,34 +1,38 @@
 package util

 import java.io.File
-import org.eclipse.jgit.api.Git
-import org.eclipse.jgit.lib.Ref
+import util.ControlUtil._

 /**
 * Provides directories used by GitBucket.
 */
 object Directory {

-  val GitBucketHome = new File(System.getProperty("user.home"), "gitbucket").getAbsolutePath
+  val GitBucketHome = (scala.util.Properties.envOrNone("GITBUCKET_HOME") match {
+    case Some(env) => new File(env)
+    case None => new File(System.getProperty("user.home"), "gitbucket")
+  }).getAbsolutePath

  val GitBucketConf = new File(GitBucketHome, "gitbucket.conf")
  
  val RepositoryHome = s"${GitBucketHome}/repositories"
+
+  val DatabaseHome = s"${GitBucketHome}/data"
  
  /**
   * Repository names of the specified user.
   */
-  def getRepositories(owner: String): List[String] = {
-    val dir = new File(s"${RepositoryHome}/${owner}")
-    if(dir.exists){
-      dir.listFiles.filter { file =>
-        file.isDirectory && !file.getName.endsWith(".wiki.git") 
-      }.map(_.getName.replaceFirst("\\.git$", "")).toList
-    } else {
-      Nil
+  def getRepositories(owner: String): List[String] =
+    defining(new File(s"${RepositoryHome}/${owner}")){ dir =>
+      if(dir.exists){
+        dir.listFiles.filter { file =>
+          file.isDirectory && !file.getName.endsWith(".wiki.git")
+        }.map(_.getName.replaceFirst("\\.git$", "")).toList
+      } else {
+        Nil
+      }
    }
-  }
-  
+
  /**
   * Substance directory of the repository.
   */
--- a/src/main/scala/util/FileUploadUtil.scala
+++ b/src/main/scala/util/FileUploadUtil.scala
@@ -1,33 +0,0 @@
-package util
-
-import java.text.SimpleDateFormat
-import javax.servlet.http.HttpSession
-import util.Directory._
-import org.apache.commons.io.FileUtils
-
-object FileUploadUtil {
-
-  def generateFileId: String =
-    new SimpleDateFormat("yyyyMMddHHmmSSsss").format(new java.util.Date(System.currentTimeMillis))
-
-  def TemporaryDir(implicit session: HttpSession): java.io.File =
-    new java.io.File(GitBucketHome, s"tmp/_upload/${session.getId}")
-
-  def getTemporaryFile(fileId: String)(implicit session: HttpSession): java.io.File =
-    new java.io.File(TemporaryDir, fileId)
-
-//  def removeTemporaryFile(fileId: String)(implicit session: HttpSession): Unit =
-//    getTemporaryFile(fileId).delete()
-
-  def removeTemporaryFiles()(implicit session: HttpSession): Unit =
-    FileUtils.deleteDirectory(TemporaryDir)
-
-  def getUploadedFilename(fileId: String)(implicit session: HttpSession): Option[String] = {
-    val filename = Option(session.getAttribute("upload_" + fileId).asInstanceOf[String])
-    if(filename.isDefined){
-      session.removeAttribute("upload_" + fileId)
-    }
-    filename
-  }
-
-}
--- a/src/main/scala/util/FileUtil.scala
+++ b/src/main/scala/util/FileUtil.scala
@@ -1,22 +1,21 @@
 package util

-import org.apache.commons.io.{IOUtils, FileUtils, FilenameUtils}
+import org.apache.commons.io.{IOUtils, FileUtils}
 import java.net.URLConnection
 import java.io.File
 import org.apache.commons.compress.archivers.zip.{ZipArchiveEntry, ZipArchiveOutputStream}
+import util.ControlUtil._

 object FileUtil {
  
-  def getMimeType(name: String): String = {
-    val fileNameMap = URLConnection.getFileNameMap()
-    val mimeType = fileNameMap.getContentTypeFor(name)
-    if(mimeType == null){
-      "application/octeat-stream"
-    } else {
-      mimeType
+  def getMimeType(name: String): String =
+    defining(URLConnection.getFileNameMap()){ fileNameMap =>
+      fileNameMap.getContentTypeFor(name) match {
+        case null     => "application/octet-stream"
+        case mimeType => mimeType
+      }
    }
-  }
-  
+
  def isImage(name: String): Boolean = getMimeType(name).startsWith("image/")
  
  def isLarge(size: Long): Boolean = (size > 1024 * 1000)
@@ -36,21 +35,19 @@ object FileUtil {
      }
    }

-    val out = new ZipArchiveOutputStream(dest)
-    try {
+    using(new ZipArchiveOutputStream(dest)){ out =>
      addDirectoryToZip(out, dir, dir.getName)
-    } finally {
-      IOUtils.closeQuietly(out)
    }
  }

-  def getExtension(name: String): String = {
-    val index = name.lastIndexOf('.')
-    if(index >= 0){
-      name.substring(index + 1)
-    } else {
-      ""
-    }
+  def getFileName(path: String): String = defining(path.lastIndexOf('/')){ i =>
+    if(i >= 0) path.substring(i + 1) else path
  }

+  def getExtension(name: String): String =
+    name.lastIndexOf('.') match {
+      case i if(i >= 0) => name.substring(i + 1)
+      case _ => ""
+    }
+
 }
--- a/src/main/scala/util/Implicits.scala
+++ b/src/main/scala/util/Implicits.scala
@@ -1,7 +1,7 @@
 package util

-import scala.slick.driver.H2Driver.simple._
 import scala.util.matching.Regex
+import javax.servlet.http.{HttpSession, HttpServletRequest}

 /**
 * Provides some usable implicit conversions.
@@ -13,7 +13,7 @@ object Implicits {
    def splitWith(condition: (A, A) => Boolean): Seq[Seq[A]] = split(seq)(condition)

    @scala.annotation.tailrec
-    private def split[A](list: Seq[A], result: Seq[Seq[A]] = Nil)(condition: (A, A) => Boolean): Seq[Seq[A]] = {
+    private def split[A](list: Seq[A], result: Seq[Seq[A]] = Nil)(condition: (A, A) => Boolean): Seq[Seq[A]] =
      list match {
        case x :: xs => {
          xs.span(condition(x, _)) match {
@@ -22,12 +22,6 @@ object Implicits {
        }
        case Nil => result
      }
-    }
-  }
-
-  // TODO Should this implicit conversion move to model.Functions?
-  implicit class RichColumn(c1: Column[Boolean]){
-    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
  }

  implicit class RichString(value: String){
@@ -49,4 +43,30 @@ object Implicits {
    }
  }

+  implicit class RichRequest(request: HttpServletRequest){
+
+    def paths: Array[String] = request.getRequestURI.substring(request.getContextPath.length + 1).split("/")
+
+    def hasQueryString: Boolean = request.getQueryString != null
+
+    def hasAttribute(name: String): Boolean = request.getAttribute(name) != null
+
+  }
+
+  implicit class RichSession(session: HttpSession){
+
+    def putAndGet[T](key: String, value: T): T = {
+      session.setAttribute(key, value)
+      value
+    }
+
+    def getAndRemove[T](key: String): Option[T] = {
+      val value = session.getAttribute(key).asInstanceOf[T]
+      if(value == null){
+        session.removeAttribute(key)
+      }
+      Option(value)
+    }
+  }
+
 }
--- a/src/main/scala/util/JGitUtil.scala
+++ b/src/main/scala/util/JGitUtil.scala
@@ -2,19 +2,19 @@ package util

 import org.eclipse.jgit.api.Git
 import util.Directory._
+import util.StringUtil._
+import util.ControlUtil._
 import scala.collection.JavaConverters._
-import javax.servlet.ServletContext
 import org.eclipse.jgit.lib._
 import org.eclipse.jgit.revwalk._
 import org.eclipse.jgit.revwalk.filter._
 import org.eclipse.jgit.treewalk._
 import org.eclipse.jgit.treewalk.filter._
-import org.eclipse.jgit.diff._
 import org.eclipse.jgit.diff.DiffEntry.ChangeType
-import org.eclipse.jgit.util.io.DisabledOutputStream
 import org.eclipse.jgit.errors.MissingObjectException
 import java.util.Date
 import org.eclipse.jgit.api.errors.NoHeadException
+import service.RepositoryService

 /**
 * Provides complex JGit operations.
@@ -69,29 +69,17 @@ object JGitUtil {
        rev.getFullMessage,
        rev.getParents().map(_.name).toList)

-    val summary = {
-      val i = fullMessage.trim.indexOf("\n")
-      val firstLine = if(i >= 0){
-        fullMessage.trim.substring(0, i).trim
-      } else {
-        fullMessage
-      }
-      if(firstLine.length > shortMessage.length){
-        shortMessage
-      } else {
-        firstLine
+    val summary = defining(fullMessage.trim.indexOf("\n")){ i =>
+      defining(if(i >= 0) fullMessage.trim.substring(0, i).trim else fullMessage){ firstLine =>
+        if(firstLine.length > shortMessage.length) shortMessage else firstLine
      }
    }

-    val description = {
-      val i = fullMessage.trim.indexOf("\n")
-      if(i >= 0){
+    val description = defining(fullMessage.trim.indexOf("\n")){ i =>
+      optionIf(i >= 0){
        Some(fullMessage.trim.substring(i).trim)
-      } else {
-        None
      }
    }
-
  }

  case class DiffInfo(changeType: ChangeType, oldPath: String, newPath: String, oldContent: Option[String], newContent: Option[String])
@@ -114,33 +102,18 @@ object JGitUtil {
  case class TagInfo(name: String, time: Date, id: String)

  /**
-   * Use this method to use the Git object.
-   * Repository resources are released certainly after processing.
-   */
-  def withGit[T](dir: java.io.File)(f: Git => T): T = withGit(Git.open(dir))(f)
-  
-  /**
-   * Use this method to use the Git object.
-   * Repository resources are released certainly after processing.
-   */
-  def withGit[T](git: Git)(f: Git => T): T = {
-    try {
-      f(git)
-    } finally {
-      git.getRepository.close
-    }
-  }
-  
-  /**
-   * Returns RevCommit from the commit id.
+   * Returns RevCommit from the commit or tag id.
   * 
   * @param git the Git object
-   * @param commitId the ObjectId of the commit
-   * @return the RevCommit for the specified commit
+   * @param objectId the ObjectId of the commit or tag
+   * @return the RevCommit for the specified commit or tag
   */
-  def getRevCommitFromId(git: Git, commitId: ObjectId): RevCommit = {
+  def getRevCommitFromId(git: Git, objectId: ObjectId): RevCommit = {
    val revWalk = new RevWalk(git.getRepository)
-    val revCommit = revWalk.parseCommit(commitId)
+    val revCommit = revWalk.parseAny(objectId) match {
+      case r: RevTag => revWalk.parseCommit(r.getObject)
+      case _         => revWalk.parseCommit(objectId)
+    }
    revWalk.dispose
    revCommit
  }
@@ -149,15 +122,10 @@ object JGitUtil {
   * Returns the repository information. It contains branch names and tag names.
   */
  def getRepositoryInfo(owner: String, repository: String, baseUrl: String): RepositoryInfo = {
-    withGit(getRepositoryDir(owner, repository)){ git =>
+    using(Git.open(getRepositoryDir(owner, repository))){ git =>
      try {
        // get commit count
-        val i = git.log.all.call.iterator
-        var commitCount = 0
-        while(i.hasNext && commitCount <= 1000){
-          i.next
-          commitCount = commitCount + 1
-        }
+        val commitCount = git.log.all.call.iterator.asScala.map(_ => 1).take(1000).sum

        RepositoryInfo(
          owner, repository, s"${baseUrl}/git/${owner}/${repository}.git",
@@ -191,45 +159,43 @@ object JGitUtil {
   * @return HTML of the file list
   */
  def getFileList(git: Git, revision: String, path: String = "."): List[FileInfo] = {
-    val revWalk = new RevWalk(git.getRepository)
-    val objectId = git.getRepository.resolve(revision)
-    val revCommit = revWalk.parseCommit(objectId)
-      
-    val treeWalk = new TreeWalk(git.getRepository)
-    treeWalk.addTree(revCommit.getTree)
-    if(path != "."){
-      treeWalk.setRecursive(true)
-      treeWalk.setFilter(new TreeFilter(){
-
-        var stopRecursive = false
-
-        def include(walker: TreeWalk): Boolean = {
-          val targetPath = walker.getPathString
-          if((path + "/").startsWith(targetPath)){
-            true
-          } else if(targetPath.startsWith(path + "/") && targetPath.substring(path.length + 1).indexOf("/") < 0){
-            stopRecursive = true
-            treeWalk.setRecursive(false)
-            true
-          } else {
-            false
-          }
-        }
-
-        def shouldBeRecursive(): Boolean = !stopRecursive
-
-        override def clone: TreeFilter = return this
-      })
-    }
-      
    val list = new scala.collection.mutable.ListBuffer[(ObjectId, FileMode, String, String)]
-    
-    while (treeWalk.next()) {
-      list.append((treeWalk.getObjectId(0), treeWalk.getFileMode(0), treeWalk.getPathString, treeWalk.getNameString))
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      val objectId  = git.getRepository.resolve(revision)
+      val revCommit = revWalk.parseCommit(objectId)
+
+      using(new TreeWalk(git.getRepository)){ treeWalk =>
+        treeWalk.addTree(revCommit.getTree)
+        if(path != "."){
+          treeWalk.setRecursive(true)
+          treeWalk.setFilter(new TreeFilter(){
+
+            var stopRecursive = false
+
+            def include(walker: TreeWalk): Boolean = {
+              val targetPath = walker.getPathString
+              if((path + "/").startsWith(targetPath)){
+                true
+              } else if(targetPath.startsWith(path + "/") && targetPath.substring(path.length + 1).indexOf("/") < 0){
+                stopRecursive = true
+                treeWalk.setRecursive(false)
+                true
+              } else {
+                false
+              }
+            }
+
+            def shouldBeRecursive(): Boolean = !stopRecursive
+
+            override def clone: TreeFilter = return this
+          })
+        }
+        while (treeWalk.next()) {
+          list.append((treeWalk.getObjectId(0), treeWalk.getFileMode(0), treeWalk.getPathString, treeWalk.getNameString))
+        }
+      }
    }
-    
-    treeWalk.release
-    revWalk.dispose

    val commits = getLatestCommitFromPaths(git, list.toList.map(_._3), revision)
    list.map { case (objectId, fileMode, path, name) =>
@@ -258,7 +224,7 @@ object JGitUtil {
   * @param page the page number (1-)
   * @param limit the number of commit info per page. 0 (default) means unlimited.
   * @param path filters by this path. default is no filter.
-   * @return a tuple of the commit list and whether has next
+   * @return a tuple of the commit list and whether has next, or the error message
   */
  def getCommitLog(git: Git, revision: String, page: Int = 1, limit: Int = 0, path: String = ""): Either[String, (List[CommitInfo], Boolean)] = {
    val fixedPage = if(page <= 0) 1 else page
@@ -273,27 +239,48 @@ object JGitUtil {
        case _ => (logs, i.hasNext)
      }
    
-    val revWalk = new RevWalk(git.getRepository)
-    val objectId = git.getRepository.resolve(revision)
-    if(objectId == null){
-      Left(s"${revision} can't be resolved.")
-    } else {
-      revWalk.markStart(revWalk.parseCommit(objectId))
-      if(path.nonEmpty){
-        revWalk.setRevFilter(new RevFilter(){
-          def include(walk: RevWalk, commit: RevCommit): Boolean = {
-            getDiffs(git, commit.getName, false).find(_.newPath == path).nonEmpty
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(git.getRepository.resolve(revision)){ objectId =>
+        if(objectId == null){
+          Left(s"${revision} can't be resolved.")
+        } else {
+          revWalk.markStart(revWalk.parseCommit(objectId))
+          if(path.nonEmpty){
+            revWalk.setRevFilter(new RevFilter(){
+              def include(walk: RevWalk, commit: RevCommit): Boolean = {
+                getDiffs(git, commit.getName, false)._1.find(_.newPath == path).nonEmpty
+              }
+              override def clone(): RevFilter = this
+            })
          }
-          override def clone(): RevFilter = this
-        })
+          Right(getCommitLog(revWalk.iterator, 0, Nil))
+        }
      }
-
-      val commits = getCommitLog(revWalk.iterator, 0, Nil)
-      revWalk.release
-
-      Right(commits)
    }
  }
+
+  def getCommitLogs(git: Git, begin: String, includesLastCommit: Boolean = false)
+                   (endCondition: RevCommit => Boolean): List[CommitInfo] = {
+    @scala.annotation.tailrec
+    def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[CommitInfo]): List[CommitInfo] =
+      i.hasNext match {
+        case true  => {
+          val revCommit = i.next
+          if(endCondition(revCommit)){
+            if(includesLastCommit) logs :+ new CommitInfo(revCommit) else logs
+          } else {
+            getCommitLog(i, logs :+ new CommitInfo(revCommit))
+          }
+        }
+        case false => logs
+      }
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(begin)))
+      getCommitLog(revWalk.iterator, Nil).reverse
+    }
+  }
+
  
  /**
   * Returns the commit list between two revisions.
@@ -303,30 +290,9 @@ object JGitUtil {
   * @param to the to revision
   * @return the commit list
   */
-  def getCommitLog(git: Git, from: String, to: String): List[CommitInfo] = {
-    @scala.annotation.tailrec
-    def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[CommitInfo]): List[CommitInfo] =
-      i.hasNext match {
-        case true  => {
-          val revCommit = i.next
-          if(revCommit.name == from){
-            logs 
-          } else {
-            getCommitLog(i, logs :+ new CommitInfo(revCommit))
-          }
-        }
-        case false => logs
-      }
-    
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(to)))
-    
-    val commits = getCommitLog(revWalk.iterator, Nil)
-    revWalk.release
-    
-    commits.reverse
-  }
-  
+  // TODO swap parameters 'from' and 'to'!?
+  def getCommitLog(git: Git, from: String, to: String): List[CommitInfo] =
+    getCommitLogs(git, to)(_.getName == from)
  
  /**
   * Returns the latest RevCommit of the specified path.
@@ -348,51 +314,11 @@ object JGitUtil {
   * @return the list of latest commit
   */
  def getLatestCommitFromPaths(git: Git, paths: List[String], revision: String): Map[String, RevCommit] = {
-
-    val map = new scala.collection.mutable.HashMap[String, RevCommit]
-
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(revision)))
-    //revWalk.sort(RevSort.REVERSE);
-    val i = revWalk.iterator
-
-    while(i.hasNext && map.size != paths.length){
-      val commit = i.next
-      if(commit.getParentCount == 0){
-        // Initial commit
-        val treeWalk = new TreeWalk(git.getRepository)
-        treeWalk.reset()
-        treeWalk.setRecursive(true)
-        treeWalk.addTree(commit.getTree)
-        while (treeWalk.next) {
-          paths.foreach { path =>
-            if(treeWalk.getPathString.startsWith(path) && !map.contains(path)){
-              map.put(path, commit)
-            }
-          }
-        }
-        treeWalk.release
-      } else {
-        (0 to commit.getParentCount - 1).foreach { i =>
-          val parent = revWalk.parseCommit(commit.getParent(i).getId())
-          val df = new DiffFormatter(DisabledOutputStream.INSTANCE)
-          df.setRepository(git.getRepository)
-          df.setDiffComparator(RawTextComparator.DEFAULT)
-          df.setDetectRenames(true)
-          val diffs = df.scan(parent.getTree(), commit.getTree)
-          diffs.asScala.foreach { diff =>
-            paths.foreach { path =>
-              if(diff.getChangeType != ChangeType.DELETE && diff.getNewPath.startsWith(path) && !map.contains(path)){
-                map.put(path, commit)
-              }
-            }
-          }
-        }
-      }
-
-      revWalk.release
-    }
-    map.toMap
+    val start = getRevCommitFromId(git, git.getRepository.resolve(revision))
+    paths.map { path =>
+      val commit = git.log.add(start).addPath(path).setMaxCount(1).call.iterator.next
+      (path, commit)
+    }.toMap
  }

  /**
@@ -408,126 +334,130 @@ object JGitUtil {
    if(large == false && FileUtil.isLarge(loader.getSize)){
      None
    } else {
-      val db = git.getRepository.getObjectDatabase
-      try {
+      using(git.getRepository.getObjectDatabase){ db =>
        Some(db.open(id).getBytes)
-      } finally {
-        db.close
      }
    }
  } catch {
    case e: MissingObjectException => None
  }
-  
-  def getDiffs(git: Git, id: String, fetchContent: Boolean = true): List[DiffInfo] = {
+
+  /**
+   * Returns the tuple of diff of the given commit and the previous commit id.
+   */
+  def getDiffs(git: Git, id: String, fetchContent: Boolean = true): (List[DiffInfo], Option[String]) = {
    @scala.annotation.tailrec
    def getCommitLog(i: java.util.Iterator[RevCommit], logs: List[RevCommit]): List[RevCommit] =
      i.hasNext match {
        case true if(logs.size < 2) => getCommitLog(i, logs :+ i.next)
        case _ => logs
      }
-    
-    val revWalk = new RevWalk(git.getRepository)
-    revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(id)))
-    
-    val commits = getCommitLog(revWalk.iterator, Nil)
-    revWalk.release
-    
-    val revCommit = commits(0)
-    
-    if(commits.length >= 2){
-      // not initial commit
-      val oldCommit = commits(1)
-      
-      // get diff between specified commit and its previous commit
-      val reader = git.getRepository.newObjectReader
-      
-      val oldTreeIter = new CanonicalTreeParser
-      oldTreeIter.reset(reader, git.getRepository.resolve(oldCommit.name + "^{tree}"))
-      
-      val newTreeIter = new CanonicalTreeParser
-      newTreeIter.reset(reader, git.getRepository.resolve(id + "^{tree}"))
-      
-      import scala.collection.JavaConverters._
-      git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
-        if(!fetchContent || FileUtil.isImage(diff.getOldPath) || FileUtil.isImage(diff.getNewPath)){
-          DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath, None, None)
-        } else {
-          DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
-            JGitUtil.getContent(git, diff.getOldId.toObjectId, false).filter(FileUtil.isText).map(new String(_, "UTF-8")),
-            JGitUtil.getContent(git, diff.getNewId.toObjectId, false).filter(FileUtil.isText).map(new String(_, "UTF-8")))
+
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      revWalk.markStart(revWalk.parseCommit(git.getRepository.resolve(id)))
+      val commits   = getCommitLog(revWalk.iterator, Nil)
+      val revCommit = commits(0)
+
+      if(commits.length >= 2){
+        // not initial commit
+        val oldCommit = commits(1)
+        (getDiffs(git, oldCommit.getName, id, fetchContent), Some(oldCommit.getName))
+
+      } else {
+        // initial commit
+        using(new TreeWalk(git.getRepository)){ treeWalk =>
+          treeWalk.addTree(revCommit.getTree)
+          val buffer = new scala.collection.mutable.ListBuffer[DiffInfo]()
+          while(treeWalk.next){
+            buffer.append((if(!fetchContent){
+              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None, None)
+            } else {
+              DiffInfo(ChangeType.ADD, null, treeWalk.getPathString, None,
+                JGitUtil.getContent(git, treeWalk.getObjectId(0), false).filter(FileUtil.isText).map(convertFromByteArray))
+            }))
+          }
+          (buffer.toList, None)
        }
-      }.toList
-    } else {
-      // initial commit
-      val walk = new TreeWalk(git.getRepository)
-      walk.addTree(revCommit.getTree)
-      val buffer = new scala.collection.mutable.ListBuffer[DiffInfo]()
-      while(walk.next){
-        buffer.append((if(!fetchContent){
-          DiffInfo(ChangeType.ADD, null, walk.getPathString, None, None)
-        } else {
-          DiffInfo(ChangeType.ADD, null, walk.getPathString, None, 
-              JGitUtil.getContent(git, walk.getObjectId(0), false).filter(FileUtil.isText).map(new String(_, "UTF-8")))
-        }))
      }
-      walk.release
-      buffer.toList
    }
  }

+  def getDiffs(git: Git, from: String, to: String, fetchContent: Boolean): List[DiffInfo] = {
+    val reader = git.getRepository.newObjectReader
+    val oldTreeIter = new CanonicalTreeParser
+    oldTreeIter.reset(reader, git.getRepository.resolve(from + "^{tree}"))
+
+    val newTreeIter = new CanonicalTreeParser
+    newTreeIter.reset(reader, git.getRepository.resolve(to + "^{tree}"))
+
+    import scala.collection.JavaConverters._
+    git.diff.setNewTree(newTreeIter).setOldTree(oldTreeIter).call.asScala.map { diff =>
+      if(!fetchContent || FileUtil.isImage(diff.getOldPath) || FileUtil.isImage(diff.getNewPath)){
+        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath, None, None)
+      } else {
+        DiffInfo(diff.getChangeType, diff.getOldPath, diff.getNewPath,
+          JGitUtil.getContent(git, diff.getOldId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray),
+          JGitUtil.getContent(git, diff.getNewId.toObjectId, false).filter(FileUtil.isText).map(convertFromByteArray))
+      }
+    }.toList
+  }
+
+
  /**
   * Returns the list of branch names of the specified commit.
   */
-  def getBranchesOfCommit(git: Git, commitId: String): List[String] = {
-    val walk = new org.eclipse.jgit.revwalk.RevWalk(git.getRepository)
-    try {
-      val commit = walk.parseCommit(git.getRepository.resolve(commitId + "^0"))
-
-      git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
-        (e.getKey.startsWith(Constants.R_HEADS) && walk.isMergedInto(commit, walk.parseCommit(e.getValue.getObjectId)))
-      }.map { e =>
-        e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_HEADS.length)
-      }.toList.sorted
-
-    } finally {
-      walk.release
+  def getBranchesOfCommit(git: Git, commitId: String): List[String] =
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(revWalk.parseCommit(git.getRepository.resolve(commitId + "^0"))){ commit =>
+        git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
+          (e.getKey.startsWith(Constants.R_HEADS) && revWalk.isMergedInto(commit, revWalk.parseCommit(e.getValue.getObjectId)))
+        }.map { e =>
+          e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_HEADS.length)
+        }.toList.sorted
+      }
    }
-  }

  /**
   * Returns the list of tags of the specified commit.
   */
-  def getTagsOfCommit(git: Git, commitId: String): List[String] = {
-    val walk = new org.eclipse.jgit.revwalk.RevWalk(git.getRepository)
-    try {
-      val commit = walk.parseCommit(git.getRepository.resolve(commitId + "^0"))
-
-      git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
-        (e.getKey.startsWith(Constants.R_TAGS) && walk.isMergedInto(commit, walk.parseCommit(e.getValue.getObjectId)))
-      }.map { e =>
-        e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_TAGS.length)
-      }.toList.sorted.reverse
-
-    } finally {
-      walk.release
+  def getTagsOfCommit(git: Git, commitId: String): List[String] =
+    using(new RevWalk(git.getRepository)){ revWalk =>
+      defining(revWalk.parseCommit(git.getRepository.resolve(commitId + "^0"))){ commit =>
+        git.getRepository.getAllRefs.entrySet.asScala.filter { e =>
+          (e.getKey.startsWith(Constants.R_TAGS) && revWalk.isMergedInto(commit, revWalk.parseCommit(e.getValue.getObjectId)))
+        }.map { e =>
+          e.getValue.getName.substring(org.eclipse.jgit.lib.Constants.R_TAGS.length)
+        }.toList.sorted.reverse
+      }
    }
-  }

-  def initRepository(dir: java.io.File): Unit = {
-    val repository = new RepositoryBuilder().setGitDir(dir).setBare.build
-    try {
+  def initRepository(dir: java.io.File): Unit =
+    using(new RepositoryBuilder().setGitDir(dir).setBare.build){ repository =>
      repository.create
      setReceivePack(repository)
-    } finally {
-      repository.close
    }
+
+  def cloneRepository(from: java.io.File, to: java.io.File): Unit =
+    using(Git.cloneRepository.setURI(from.toURI.toString).setDirectory(to).setBare(true).call){ git =>
+      setReceivePack(git.getRepository)
+    }
+
+  def isEmpty(git: Git): Boolean = git.getRepository.resolve(Constants.HEAD) == null
+
+  private def setReceivePack(repository: org.eclipse.jgit.lib.Repository): Unit =
+    defining(repository.getConfig){ config =>
+      config.setBoolean("http", null, "receivepack", true)
+      config.save
+    }
+
+  def getDefaultBranch(git: Git, repository: RepositoryService.RepositoryInfo,
+                       revstr: String = ""): Option[(ObjectId, String)] = {
+    Seq(
+      if(revstr.isEmpty) repository.repository.defaultBranch else revstr,
+      repository.branchList.head
+    ).map { rev =>
+      (git.getRepository.resolve(rev), rev)
+    }.find(_._1 != null)
  }

-  private def setReceivePack(repository: org.eclipse.jgit.lib.Repository): Unit = {
-    val config = repository.getConfig
-    config.setBoolean("http", null, "receivepack", true)
-    config.save
-  }
-
-}
+}
--- a/src/main/scala/util/Keys.scala
+++ b/src/main/scala/util/Keys.scala
@@ -0,0 +1,72 @@
+package util
+
+/**
+ * Define key strings for request attributes, session attributes or flash attributes.
+ */
+object Keys {
+
+  /**
+   * Define session keys.
+   */
+  object Session {
+
+    /**
+     * Session key for the logged in account information.
+     */
+    val LoginAccount = "LOGIN_ACCOUNT"
+
+    /**
+     * Session key for the redirect URL.
+     */
+    val Redirect = "REDIRECT"
+
+    /**
+     * Session key for the issue search condition in dashboard.
+     */
+    val DashboardIssues = "dashboard/issues"
+
+    /**
+     * Session key for the pull request search condition in dashboard.
+     */
+    val DashboardPulls = "dashboard/pulls"
+
+    /**
+     * Generate session key for the issue search condition.
+     */
+    def Issues(owner: String, name: String) = s"${owner}/${name}/issues"
+
+    /**
+     * Generate session key for the pull request search condition.
+     */
+    def Pulls(owner: String, name: String) = s"${owner}/${name}/pulls"
+
+    /**
+     * Generate session key for the upload filename.
+     */
+    def Upload(fileId: String) = s"upload_${fileId}"
+
+  }
+
+  /**
+   * Define request keys.
+   */
+  object Request {
+
+    /**
+     * Request key for the Ajax request flag.
+     */
+    val Ajax = "AJAX"
+
+    /**
+     * Request key for the username which is used during Git repository access.
+     */
+    val UserName = "USER_NAME"
+
+    /**
+     * Generate request key for the request cache.
+     */
+    def Cache(key: String) = s"cache.${key}"
+
+  }
+
+}
--- a/src/main/scala/util/LDAPUtil.scala
+++ b/src/main/scala/util/LDAPUtil.scala
@@ -0,0 +1,104 @@
+package util
+
+import util.ControlUtil._
+import service.SystemSettingsService
+import com.novell.ldap._
+import service.SystemSettingsService.Ldap
+import scala.annotation.tailrec
+
+/**
+ * Utility for LDAP authentication.
+ */
+object LDAPUtil {
+
+  private val LDAP_VERSION: Int = 3
+
+  /**
+   * Try authentication by LDAP using given configuration.
+   * Returns Right(mailAddress) if authentication is successful, otherwise  Left(errorMessage).
+   */
+  def authenticate(ldapSettings: Ldap, userName: String, password: String): Either[String, String] = {
+    bind(
+      ldapSettings.host,
+      ldapSettings.port.getOrElse(SystemSettingsService.DefaultLdapPort),
+      ldapSettings.bindDN.getOrElse(""),
+      ldapSettings.bindPassword.getOrElse("")
+    ) match {
+      case Some(conn) => {
+        withConnection(conn) { conn =>
+          findUser(conn, userName, ldapSettings.baseDN, ldapSettings.userNameAttribute) match {
+            case Some(userDN) => userAuthentication(ldapSettings, userDN, password)
+            case None => Left("User does not exist")
+          }
+        }
+      }
+      case None => Left("System LDAP authentication failed.")
+    }
+  }
+
+  private def userAuthentication(ldapSettings: Ldap, userDN: String, password: String): Either[String, String] = {
+    bind(
+      ldapSettings.host,
+      ldapSettings.port.getOrElse(SystemSettingsService.DefaultLdapPort),
+      userDN,
+      password
+    ) match {
+      case Some(conn) => {
+        withConnection(conn) { conn =>
+          findMailAddress(conn, userDN, ldapSettings.mailAttribute) match {
+            case Some(mailAddress) => Right(mailAddress)
+            case None => Left("Can't find mail address.")
+          }
+        }
+      }
+      case None => Left("User LDAP Authentication Failed.")
+    }
+  }
+
+  private def bind(host: String, port: Int, dn: String, password: String): Option[LDAPConnection] = {
+    val conn: LDAPConnection = new LDAPConnection
+    try {
+      conn.connect(host, port)
+      conn.bind(LDAP_VERSION, dn, password.getBytes)
+      Some(conn)
+    } catch {
+      case e: Exception => {
+        if (conn.isConnected) conn.disconnect()
+        None
+      }
+    }
+  }
+
+  private def withConnection[T](conn: LDAPConnection)(f: LDAPConnection => T): T = {
+    try {
+      f(conn)
+    } finally {
+      conn.disconnect()
+    }
+  }
+
+  private def findUser(conn: LDAPConnection, userName: String, baseDN: String, userNameAttribute: String): Option[String] = {
+    @tailrec
+    def getEntries(results: LDAPSearchResults, entries: List[Option[LDAPEntry]] = Nil): List[LDAPEntry] = {
+      if(results.hasMore){
+        getEntries(results, entries :+ (try {
+          Option(results.next)
+        } catch {
+          case ex: LDAPReferralException => None // NOTE(tanacasino): Referral follow is off. so ignores it.(for AD)
+        }))
+      } else {
+        entries.flatten
+      }
+    }
+    getEntries(conn.search(baseDN, LDAPConnection.SCOPE_SUB, userNameAttribute + "=" + userName, null, false)).collectFirst {
+      case x => x.getDN
+    }
+  }
+
+  private def findMailAddress(conn: LDAPConnection, userDN: String, mailAttribute: String): Option[String] =
+    defining(conn.search(userDN, LDAPConnection.SCOPE_BASE, null, Array[String](mailAttribute), false)){ results =>
+      optionIf (results.hasMore) {
+        Option(results.next.getAttribute(mailAttribute)).map(_.getStringValue)
+      }
+    }
+}
--- a/src/main/scala/util/LockUtil.scala
+++ b/src/main/scala/util/LockUtil.scala
@@ -0,0 +1,36 @@
+package util
+
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.locks.{ReentrantLock, Lock}
+import util.ControlUtil._
+
+object LockUtil {
+
+  /**
+   * lock objects
+   */
+  private val locks = new ConcurrentHashMap[String, Lock]()
+
+  /**
+   * Returns the lock object for the specified repository.
+   */
+  private def getLockObject(key: String): Lock = synchronized {
+    if(!locks.containsKey(key)){
+      locks.put(key, new ReentrantLock())
+    }
+    locks.get(key)
+  }
+
+  /**
+   * Synchronizes a given function which modifies the working copy of the wiki repository.
+   */
+  def lock[T](key: String)(f: => T): T = defining(getLockObject(key)){ lock =>
+    try {
+      lock.lock()
+      f
+    } finally {
+      lock.unlock()
+    }
+  }
+
+}
--- a/src/main/scala/util/Notifier.scala
+++ b/src/main/scala/util/Notifier.scala
@@ -0,0 +1,106 @@
+package util
+
+import scala.concurrent._
+import ExecutionContext.Implicits.global
+import org.apache.commons.mail.{DefaultAuthenticator, HtmlEmail}
+import org.slf4j.LoggerFactory
+
+import app.Context
+import service.{AccountService, RepositoryService, IssuesService, SystemSettingsService}
+import servlet.Database
+import SystemSettingsService.Smtp
+
+trait Notifier extends RepositoryService with AccountService with IssuesService {
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context): Unit
+
+  protected def recipients(issue: model.Issue)(notify: String => Unit)(implicit context: Context) =
+    (
+        // individual repository's owner
+        issue.userName ::
+        // collaborators
+        getCollaborators(issue.userName, issue.repositoryName) :::
+        // participants
+        issue.openedUserName ::
+        getComments(issue.userName, issue.repositoryName, issue.issueId).map(_.commentedUserName)
+    )
+    .distinct
+    .withFilter ( _ != context.loginAccount.get.userName )	// the operation in person is excluded
+    .foreach ( getAccountByUserName(_) filterNot (_.isGroupAccount) foreach (x => notify(x.mailAddress)) )
+
+}
+
+object Notifier {
+  // TODO We want to be able to switch to mock.
+  def apply(): Notifier = new SystemSettingsService {}.loadSystemSettings match {
+    case settings if settings.notification => new Mailer(settings.smtp.get)
+    case _ => new MockMailer
+  }
+
+  def msgIssue(url: String) = (content: String) => s"""
+    |${content}<br/>
+    |--<br/>
+    |<a href="${url}">View it on GitBucket</a>
+    """.stripMargin
+
+  def msgPullRequest(url: String) = (content: String) => s"""
+    |${content}<hr/>
+    |View, comment on, or merge it at:<br/>
+    |<a href="${url}">${url}</a>
+    """.stripMargin
+
+  def msgComment(url: String) = (content: String) => s"""
+    |${content}<br/>
+    |--<br/>
+    |<a href="${url}">View it on GitBucket</a>
+    """.stripMargin
+
+  def msgStatus(url: String) = (content: String) => s"""
+    |${content} <a href="${url}">#${url split('/') last}</a>
+    """.stripMargin
+}
+
+class Mailer(private val smtp: Smtp) extends Notifier {
+  private val logger = LoggerFactory.getLogger(classOf[Mailer])
+
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context) = {
+    val database = Database(context.request.getServletContext)
+
+    val f = future {
+      val email = new HtmlEmail
+      email.setHostName(smtp.host)
+      email.setSmtpPort(smtp.port.get)
+      smtp.user.foreach { user =>
+        email.setAuthenticator(new DefaultAuthenticator(user, smtp.password.getOrElse("")))
+      }
+      smtp.ssl.foreach { ssl =>
+        email.setSSLOnConnect(ssl)
+      }
+      email.setFrom("notifications@gitbucket.com", context.loginAccount.get.userName)
+      email.setHtmlMsg(msg(view.Markdown.toHtml(content, r, false, true)))
+
+      // TODO Can we use the Database Session in other than Transaction Filter?
+      database withSession {
+        getIssue(r.owner, r.name, issueId.toString) foreach { issue =>
+          email.setSubject(s"[${r.name}] ${issue.title} (#${issueId})")
+          recipients(issue) {
+            email.getToAddresses.clear
+            email.addTo(_).send
+          }
+        }
+      }
+      "Notifications Successful."
+    }
+    f onSuccess {
+      case s => logger.debug(s)
+    }
+    f onFailure {
+      case t => logger.error("Notifications Failed.", t)
+    }
+  }
+}
+class MockMailer extends Notifier {
+  def toNotify(r: RepositoryService.RepositoryInfo, issueId: Int, content: String)
+      (msg: String => String)(implicit context: Context): Unit = {}
+}
--- a/src/main/scala/util/StringUtil.scala
+++ b/src/main/scala/util/StringUtil.scala
@@ -1,14 +1,16 @@
 package util

 import java.net.{URLDecoder, URLEncoder}
+import org.mozilla.universalchardet.UniversalDetector
+import util.ControlUtil._

 object StringUtil {

-  def sha1(value: String): String = {
-    val md = java.security.MessageDigest.getInstance("SHA-1")
-    md.update(value.getBytes)
-    md.digest.map(b => "%02x".format(b)).mkString
-  }
+  def sha1(value: String): String =
+    defining(java.security.MessageDigest.getInstance("SHA-1")){ md =>
+      md.update(value.getBytes)
+      md.digest.map(b => "%02x".format(b)).mkString
+    }

  def md5(value: String): String = {
    val md = java.security.MessageDigest.getInstance("MD5")
@@ -20,4 +22,20 @@ object StringUtil {

  def urlDecode(value: String): String = URLDecoder.decode(value, "UTF-8")

+  def splitWords(value: String): Array[String] = value.split("[ \\t　]+")
+
+  def escapeHtml(value: String): String =
+    value.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace("\"", "&quot;")
+
+  def convertFromByteArray(content: Array[Byte]): String = new String(content, detectEncoding(content))
+
+  def detectEncoding(content: Array[Byte]): String =
+    defining(new UniversalDetector(null)){ detector =>
+      detector.handleData(content, 0, content.length)
+      detector.dataEnd()
+      detector.getDetectedCharset match {
+        case null => "UTF-8"
+        case e    => e
+      }
+    }
 }
--- a/src/main/scala/util/Validations.scala
+++ b/src/main/scala/util/Validations.scala
@@ -1,7 +1,6 @@
 package util

 import jp.sf.amateras.scalatra.forms._
-import scala.Some

 trait Validations {

@@ -9,7 +8,7 @@ trait Validations {
   * Constraint for the identifier such as user name, repository name or page name.
   */
  def identifier: Constraint = new Constraint(){
-    def validate(name: String, value: String): Option[String] =
+    override def validate(name: String, value: String): Option[String] =
      if(!value.matches("^[a-zA-Z0-9\\-_]+$")){
        Some(s"${name} contains invalid character.")
      } else if(value.startsWith("_") || value.startsWith("-")){
@@ -26,10 +25,7 @@ trait Validations {
   */
  def date(constraints: Constraint*): SingleValueType[java.util.Date] =
    new SingleValueType[java.util.Date]((pattern("\\d{4}-\\d{2}-\\d{2}") +: constraints): _*){
-      def convert(value: String): java.util.Date = {
-        val formatter = new java.text.SimpleDateFormat("yyyy-MM-dd")
-        formatter.parse(value)
-      }
+      def convert(value: String): java.util.Date = new java.text.SimpleDateFormat("yyyy-MM-dd").parse(value)
    }

 }
--- a/src/main/scala/view/AvatarImageProvider.scala
+++ b/src/main/scala/view/AvatarImageProvider.scala
@@ -12,17 +12,23 @@ trait AvatarImageProvider { self: RequestCache =>
   */
  protected def getAvatarImageHtml(userName: String, size: Int,
      mailAddress: String = "", tooltip: Boolean = false)(implicit context: app.Context): Html = {
-    val src = getAccountByUserName(userName).collect { case account if(account.image.isEmpty) =>
-      s"""http://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress)}?s=${size}"""
+
+    val src = getAccountByUserName(userName).map { account =>
+      if(account.image.isEmpty && getSystemSettings().gravatar){
+        s"""http://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress)}?s=${size}"""
+      } else {
+        s"""${context.path}/${userName}/_avatar"""
+      }
    } getOrElse {
-      if(mailAddress.nonEmpty){
+      if(mailAddress.nonEmpty && getSystemSettings().gravatar){
        s"""http://www.gravatar.com/avatar/${StringUtil.md5(mailAddress)}?s=${size}"""
      } else {
        s"""${context.path}/${userName}/_avatar"""
      }
    }
+
    if(tooltip){
-      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" data-toggle="tooltip" title=${userName}/>""")
+      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" data-toggle="tooltip" title="${userName}"/>""")
    } else {
      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" />""")
    }
--- a/src/main/scala/view/Markdown.scala
+++ b/src/main/scala/view/Markdown.scala
@@ -52,7 +52,7 @@ class GitBucketLinkRender(context: app.Context, repository: service.RepositorySe
 }

 class GitBucketVerbatimSerializer extends VerbatimSerializer {
-  def serialize(node: VerbatimNode, printer: Printer) {
+  def serialize(node: VerbatimNode, printer: Printer): Unit = {
    printer.println.print("<pre")
    if (!StringUtils.isEmpty(node.getType)) {
      printer.print(" class=").print('"').print("prettyprint ").print(node.getType).print('"')
@@ -98,11 +98,11 @@ class GitBucketHtmlSerializer(
    }
  }

-  private def printAttribute(name: String, value: String) {
+  private def printAttribute(name: String, value: String): Unit = {
    printer.print(' ').print(name).print('=').print('"').print(value).print('"')
  }

-  override def visit(node: TextNode) {
+  override def visit(node: TextNode): Unit =  {
    // convert commit id and username to link.
    val text = if(enableRefsLink) convertRefsLinks(node.getText, repository, "issue:") else node.getText

--- a/src/main/scala/view/helpers.scala
+++ b/src/main/scala/view/helpers.scala
@@ -31,9 +31,8 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
   * Converts Markdown of Wiki pages to HTML.
   */
  def markdown(value: String, repository: service.RepositoryService.RepositoryInfo,
-               enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html = {
+               enableWikiLink: Boolean, enableRefsLink: Boolean)(implicit context: app.Context): Html =
    Html(Markdown.toHtml(value, repository, enableWikiLink, enableRefsLink))
-  }

  /**
   * Returns &lt;img&gt; which displays the avatar icon.
@@ -51,9 +50,17 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
  def link(value: String, repository: service.RepositoryService.RepositoryInfo)(implicit context: app.Context): Html =
    Html(convertRefsLinks(value, repository))

+  def cut(value: String, length: Int): String =
+    if(value.length > length){
+      value.substring(0, length) + "..."
+    } else {
+      value
+    }
+
  def activityMessage(message: String)(implicit context: app.Context): Html =
    Html(message
      .replaceAll("\\[issue:([^\\s]+?)/([^\\s]+?)#((\\d+))\\]"   , s"""<a href="${context.path}/$$1/$$2/issues/$$3">$$1/$$2#$$3</a>""")
+      .replaceAll("\\[pullreq:([^\\s]+?)/([^\\s]+?)#((\\d+))\\]" , s"""<a href="${context.path}/$$1/$$2/pull/$$3">$$1/$$2#$$3</a>""")
      .replaceAll("\\[repo:([^\\s]+?)/([^\\s]+?)\\]"             , s"""<a href="${context.path}/$$1/$$2\">$$1/$$2</a>""")
      .replaceAll("\\[branch:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]", s"""<a href="${context.path}/$$1/$$2/tree/$$3">$$3</a>""")
      .replaceAll("\\[tag:([^\\s]+?)/([^\\s]+?)#([^\\s]+?)\\]"   , s"""<a href="${context.path}/$$1/$$2/tree/$$3">$$3</a>""")
@@ -73,15 +80,14 @@ object helpers extends AvatarImageProvider with LinkConverter with RequestCache
  /**
   * Generates the url to the account page.
   */
-  def url(userName: String)(implicit context: app.Context): String =
-    s"${context.path}/${userName}"
+  def url(userName: String)(implicit context: app.Context): String = s"${context.path}/${userName}"

  /**
   * Returns the url to the root of assets.
   */
-  def assets(implicit context: app.Context): String =
-    s"${context.path}/assets"
+  def assets(implicit context: app.Context): String = s"${context.path}/assets"

+  def isPast(date: Date): Boolean = System.currentTimeMillis > date.getTime

  /**
   * Implicit conversion to add mkHtml() to Seq[Html].
--- a/src/main/twirl/account/activity.scala.html
+++ b/src/main/twirl/account/activity.scala.html
@@ -1,23 +1,6 @@
-@(account: model.Account, activities: List[model.Activity])(implicit context: app.Context)
+@(account: model.Account, groupNames: List[String], activities: List[model.Activity])(implicit context: app.Context)
@import context._
@import view.helpers._
-@html.main(account.userName){
-  <div class="container-fluid">
-    <div class="row-fluid">
-      <div class="span4">
-        <div class="block">
-          <div class="account-image">@avatar(account.userName, 200)</div>
-          <div class="block-header">@account.userName</div>
-        </div>
-        <div class="block">
-          <div><i class="icon-home"></i> <a href="@account.url">@account.url</a></div>
-          <div><i class="icon-time"></i> <span class="muted">Joined on</span> @date(account.registeredDate)</div>
-        </div>
-      </div>
-      <div class="span8">
-        @tab(account, "activity")
-        @helper.html.activities(activities)
-      </div>
-    </div>
-  </div>
+@main(account, groupNames, "activity"){
+  @helper.html.activities(activities)
 }
--- a/src/main/twirl/account/edit.scala.html
+++ b/src/main/twirl/account/edit.scala.html
@@ -13,34 +13,37 @@
      <div class="span6">
        @if(account.isEmpty){
          <fieldset>
-            <label for="userName"><strong>User name</strong></label>
+            <label for="userName" class="strong">User name</label>
            <input type="text" name="userName" id="userName" value=""/>
            <span id="error-userName" class="error"></span>
          </fieldset>
        }
+        @if(account.map(_.password.nonEmpty).getOrElse(true)){
+          <fieldset>
+            <label for="password" class="strong">
+              Password
+              @if(account.nonEmpty){
+                (Input to change password)
+              }
+            </label>
+            <input type="password" name="password" id="password" value=""/>
+            <span id="error-password" class="error"></span>
+          </fieldset>
+        }
        <fieldset>
-          <label for="password"><strong>Password</strong>
-            @if(account.nonEmpty){
-              (Input to change password)
-            }
-          </label>
-          <input type="password" name="password" id="password" value=""/>
-          <span id="error-password" class="error"></span>
-        </fieldset>
-        <fieldset>
-          <label for="mailAddress"><strong>Mail Address</strong></label>
+          <label for="mailAddress" class="strong">Mail Address</label>
          <input type="text" name="mailAddress" id="mailAddress" value="@account.map(_.mailAddress)"/>
          <span id="error-mailAddress" class="error"></span>
        </fieldset>
        <fieldset>
-          <label for="url"><strong>URL (Optional)</strong></label>
+          <label for="url" class="strong">URL (Optional)</label>
          <input type="text" name="url" id="url" style="width: 400px;" value="@account.map(_.url)"/>
          <span id="error-url" class="error"></span>
        </fieldset>
      </div>
      <div class="span6">
        <fieldset>
-          <label for="avatar"><strong>Image (Optional)</strong></label>
+          <label for="avatar" class="strong">Image (Optional)</label>
          @helper.html.uploadavatar(account)
        </fieldset>
      </div>
--- a/src/main/twirl/account/main.scala.html
+++ b/src/main/twirl/account/main.scala.html
@@ -0,0 +1,48 @@
+@(account: model.Account, groupNames: List[String], active: String)(body: Html)(implicit context: app.Context)
+@import context._
+@import view.helpers._
+@html.main(account.userName){
+  <div class="container-fluid">
+    <div class="row-fluid">
+      <div class="span4">
+        <div class="block">
+          <div class="account-image">@avatar(account.userName, 200)</div>
+          <div class="block-header">@account.userName</div>
+        </div>
+        <div class="block">
+          @if(account.url.isDefined){
+            <div><i class="icon-home"></i> <a href="@account.url">@account.url</a></div>
+          }
+          <div><i class="icon-time"></i> <span class="muted">Joined on</span> @date(account.registeredDate)</div>
+        </div>
+        @if(groupNames.nonEmpty){
+          <div>
+            <div>Groups</div>
+            @groupNames.map { groupName =>
+              <a href="@url(groupName)">@avatar(groupName, 36, tooltip = true)</a>
+            }
+          </div>
+        }
+
+      </div>
+      <div class="span8">
+        <ul class="nav nav-tabs">
+          <li@if(active == "repositories"){ class="active"}><a href="@url(account.userName)?tab=repositories">Repositories</a></li>
+          @if(account.isGroupAccount){
+            <li@if(active == "members"){ class="active"}><a href="@url(account.userName)?tab=members">Members</a></li>
+          } else {
+            <li@if(active == "activity"){ class="active"}><a href="@url(account.userName)?tab=activity">Public Activity</a></li>
+          }
+          @if(loginAccount.isDefined && loginAccount.get.userName == account.userName){
+            <li class="pull-right">
+              <div class="button-group">
+                <a href="@url(account.userName)/_edit" class="btn">Edit Your Profile</a>
+              </div>
+            </li>
+          }
+        </ul>
+        @body
+      </div>
+    </div>
+  </div>
+}
--- a/src/main/twirl/account/members.scala.html
+++ b/src/main/twirl/account/members.scala.html
@@ -0,0 +1,16 @@
+@(account: model.Account, members: List[String])(implicit context: app.Context)
+@import context._
+@import view.helpers._
+@main(account, Nil, "members"){
+  @if(members.isEmpty){
+    No members
+  } else {
+    @members.map { userName =>
+      <div class="block">
+        <div class="block-header">
+          @avatar(userName, 20) <a href="@url(userName)">@userName</a>
+        </div>
+      </div>
+    }
+  }
+}
--- a/src/main/twirl/account/repositories.scala.html
+++ b/src/main/twirl/account/repositories.scala.html
@@ -1,42 +1,26 @@
-@(account: model.Account, repositories: List[service.RepositoryService.RepositoryInfo])(implicit context: app.Context)
+@(account: model.Account, groupNames: List[String], repositories: List[service.RepositoryService.RepositoryInfo])(implicit context: app.Context)
@import context._
@import view.helpers._
-@html.main(account.userName){
-  <div class="container-fluid">
-    <div class="row-fluid">
-      <div class="span4">
-        <div class="block">
-          <div class="account-image">@avatar(account.userName, 200)</div>
-          <div class="block-header">@account.userName</div>
-        </div>
-        <div class="block">
-          <div><i class="icon-home"></i> <a href="@account.url">@account.url</a></div>
-          <div><i class="icon-time"></i> <span class="muted">Joined on</span> @date(account.registeredDate)</div>
-        </div>
-      </div>
-      <div class="span8">
-        @tab(account, "repositories")
-        @if(repositories.isEmpty){
-          No repositories
-        } else {
-          @repositories.map { repository =>
-            <div class="block">
-              <div class="block-header">
-                <a href="@url(repository.owner)">@repository.owner</a>
-                /
-                <a href="@url(repository)">@repository.name</a>
-                @if(repository.repository.isPrivate){
-                  <i class="icon-lock"></i>
-                }
-              </div>
-              @if(repository.repository.description.isDefined){
-                <div>@repository.repository.description</div>
-              }
-              <div><span class="muted small">Last updated: @datetime(repository.repository.lastActivityDate)</span></div>
-            </div>
+@main(account, groupNames, "repositories"){
+  @if(repositories.isEmpty){
+    No repositories
+  } else {
+    @repositories.map { repository =>
+      <div class="block">
+        <div class="block-header">
+          <a href="@url(repository)">@repository.name</a>
+          @if(repository.repository.isPrivate){
+            <i class="icon-lock"></i>
          }
+        </div>
+        @if(repository.repository.originUserName.isDefined){
+          <div class="small muted">forked from <a href="@path/@repository.repository.parentUserName/@repository.repository.parentRepositoryName">@repository.repository.parentUserName/@repository.repository.parentRepositoryName</a></div>
        }
+        @if(repository.repository.description.isDefined){
+          <div>@repository.repository.description</div>
+        }
+        <div><span class="muted small">Last updated: @datetime(repository.repository.lastActivityDate)</span></div>
      </div>
-    </div>
-  </div>
+    }
+  }
 }
--- a/src/main/twirl/account/tab.scala.html
+++ b/src/main/twirl/account/tab.scala.html
@@ -1,14 +0,0 @@
-@(account: model.Account, active: String)(implicit context: app.Context)
-@import context._
-@import view.helpers._
-<ul class="nav nav-tabs">
-  <li@if(active == "repositories"){ class="active"}><a href="@url(account.userName)?tab=repositories">Repositories</a></li>
-  <li@if(active == "activity"){ class="active"}><a href="@url(account.userName)?tab=activity">Public Activity</a></li>
-  @if(loginAccount.isDefined && loginAccount.get.userName == account.userName){
-    <li class="pull-right">
-      <div class="button-group">
-        <a href="@url(account.userName)/_edit" class="btn">Edit Your Profile</a>
-      </div>
-    </li>
-  }
-</ul>
--- a/src/main/twirl/admin/menu.scala.html
+++ b/src/main/twirl/admin/menu.scala.html
@@ -10,6 +10,9 @@
        <li@if(active=="system"){ class="active"}>
          <a href="@path/admin/system">System Settings</a>
        </li>
+        <li>
+          <a href="@path/console/login.jsp">H2 Console</a>
+        </li>
     </ul>
   </div>
  </div>
--- a/src/main/twirl/admin/system.scala.html
+++ b/src/main/twirl/admin/system.scala.html
@@ -8,17 +8,139 @@
      <div class="box">
        <div class="box-header">System Settings</div>
        <div class="box-content">
-          <label><strong>Account registration</strong></label>
+          <!--====================================================================-->
+          <!-- Account registration -->
+          <!--====================================================================-->
+          <label class="strong">Account registration</label>
          <fieldset>
            <label>
              <input type="radio" name="allowAccountRegistration" value="true"@if(settings.allowAccountRegistration){ checked}>
-              <strong>Allow</strong> - Users can create account by themselves.
+              <span class="strong">Allow</span> - Users can create account by themselves.
            </label>
            <label>
              <input type="radio" name="allowAccountRegistration" value="false"@if(!settings.allowAccountRegistration){ checked}>
-              <strong>Deny</strong> - Only administrators can create account.
+              <span class="strong">Deny</span> - Only administrators can create account.
            </label>
          </fieldset>
+          <!--====================================================================-->
+          <!-- Services -->
+          <!--====================================================================-->
+          <hr>
+          <label class="strong">Services</label>
+          <fieldset>
+            <label>
+              <input type="checkbox" name="gravatar"@if(settings.gravatar){ checked}/>
+              Gravatar
+            </label>
+          </fieldset>
+          <!--====================================================================-->
+          <!-- Authentication -->
+          <!--====================================================================-->
+          <hr>
+          <label class="strong">Authentication</label>
+          <fieldset>
+            <label>
+              <input type="checkbox" id="ldapAuthentication" name="ldapAuthentication"@if(settings.ldap){ checked}/>
+              LDAP
+            </label>
+          </fieldset>
+          <div class="form-horizontal ldap">
+            <div class="control-group">
+              <label class="control-label" for="ldapHost">LDAP Host</label>
+              <div class="controls">
+                <input type="text" id="ldapHost" name="ldap.host" value="@settings.ldap.map(_.host)"/>
+                <span id="error-ldap_host" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapPort">LDAP Port</label>
+              <div class="controls">
+                <input type="text" id="ldapPort" name="ldap.port" class="input-mini" value="@settings.ldap.map(_.port)"/>
+                <span id="error-ldap_port" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapBindDN">Bind DN</label>
+              <div class="controls">
+                <input type="text" id="ldapBindDN" name="ldap.bindDN" value="@settings.ldap.map(_.bindDN)"/>
+                <span id="error-ldap_bindDN" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapBindPassword">Bind Password</label>
+              <div class="controls">
+                <input type="password" id="ldapBindPassword" name="ldap.bindPassword" value="@settings.ldap.map(_.bindPassword)"/>
+                <span id="error-ldap_bindPassword" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapBaseDN">Base DN</label>
+              <div class="controls">
+                <input type="text" id="ldapBaseDN" name="ldap.baseDN" value="@settings.ldap.map(_.baseDN)"/>
+                <span id="error-ldap_baseDN" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapUserNameAttribute">User name attribute</label>
+              <div class="controls">
+                <input type="text" id="ldapUserNameAttribute" name="ldap.userNameAttribute" value="@settings.ldap.map(_.userNameAttribute)"/>
+                <span id="error-ldap_userNameAttribute" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="ldapMailAttribute">Mail address attribute</label>
+              <div class="controls">
+                <input type="text" id="ldapMailAttribute" name="ldap.mailAttribute" value="@settings.ldap.map(_.mailAttribute)"/>
+                <span id="error-ldap_mailAttribute" class="error"></span>
+              </div>
+            </div>
+          </div>
+          <!--====================================================================-->
+          <!-- Notification email -->
+          <!--====================================================================-->
+          <hr>
+          <label class="strong">Notification email</label>
+          <fieldset>
+            <label>
+              <input type="checkbox" id="notification" name="notification"@if(settings.notification){ checked}/>
+              Send notifications
+            </label>
+          </fieldset>
+          <div class="form-horizontal notification">
+            <div class="control-group">
+              <label class="control-label" for="smtpHost">SMTP Host</label>
+              <div class="controls">
+                <input type="text" id="smtpHost" name="smtp.host" value="@settings.smtp.map(_.host)"/>
+                <span id="error-smtp_host" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="smtpPort">SMTP Port</label>
+              <div class="controls">
+                <input type="text" id="smtpPort" name="smtp.port" class="input-mini" value="@settings.smtp.map(_.port)"/>
+                <span id="error-smtp_port" class="error"></span>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="smtpUser">SMTP User</label>
+              <div class="controls">
+                <input type="text" id="smtpUser" name="smtp.user" value="@settings.smtp.map(_.user)"/>
+              </div>
+            </div>
+            <div class="control-group">
+              <label class="control-label" for="smtpPassword">SMTP Password</label>
+              <div class="controls">
+                <input type="password" id="smtpPassword" name="smtp.password" value="@settings.smtp.map(_.password)"/>
+              </div>
+            </div>
+            <div class="control-group">
+              <div class="controls">
+                <label class="checkbox">
+                  <input type="checkbox" name="smtp.ssl"@if(settings.smtp.flatMap(_.ssl).getOrElse(false)){ checked}/> Enable SSL
+                </label>
+              </div>
+            </div>
+          </div>
        </div>
      </div>
      <fieldset>
@@ -26,4 +148,15 @@
      </fieldset>
    </form>
  }
-}
+}
+<script>
+$(function(){
+  $('#notification').change(function(){
+    $('.notification input').prop('disabled', !$(this).prop('checked'));
+  }).change();
+
+  $('#ldapAuthentication').change(function(){
+    $('.ldap input').prop('disabled', !$(this).prop('checked'));
+  }).change();
+});
+</script>
--- a/src/main/twirl/admin/users/group.scala.html
+++ b/src/main/twirl/admin/users/group.scala.html
@@ -0,0 +1,112 @@
+@(account: Option[model.Account], members: List[String])(implicit context: app.Context)
+@import context._
+@import view.helpers._
+@html.main(if(account.isEmpty) "New Group" else "Update Group"){
+  @admin.html.menu("users"){
+    <form method="POST" action="@if(account.isEmpty){@path/admin/users/_newgroup} else {@path/admin/users/@account.get.userName/_editgroup}" validate="true">
+      <div class="row-fluid">
+        <div class="span7">
+          <fieldset>
+            <label for="groupName" class="strong">Group name</label>
+            <span id="error-groupName" class="error"></span>
+            <input type="text" name="groupName" id="groupName" value="@account.map(_.userName)"@if(account.isDefined){ readonly}/>
+          </fieldset>
+          <fieldset>
+            <label class="strong">URL (Optional)</label>
+            <span id="error-url" class="error"></span>
+            <input type="text" name="url" id="url" style="width: 300px;" value="@account.map(_.url)"/>
+          </fieldset>
+          <fieldset>
+            <label for="avatar" class="strong">Image (Optional)</label>
+            @helper.html.uploadavatar(account)
+          </fieldset>
+        </div>
+        <div class="span5">
+          <fieldset>
+            <label class="strong">Members</label>
+            <ul id="members" class="collaborator">
+              @members.map { userName =>
+                <li data-name="@userName">
+                  <a href="@path/@url(userName)">@userName</a>
+                  <a href="#" class="remove">(remove)</a>
+                </li>
+              }
+            </ul>
+            @helper.html.account("memberName", 200)
+            <input type="button" class="btn" value="Add" id="addMember"/>
+            <input type="hidden" id="memberNames" name="memberNames" value="@members.mkString(",")"/>
+            <div>
+              <span class="error" id="error-memberName"></span>
+            </div>
+          </fieldset>
+        </div>
+      </div>
+      <fieldset class="margin">
+        <input type="submit" class="btn btn-success" value="@if(account.isEmpty){Create Group} else {Update Group}"/>
+        <a href="@path/admin/users" class="btn">Cancel</a>
+      </fieldset>
+    </form>
+  }
+}
+<script>
+$(function(){
+  $('#addMember').click(function(){
+    $('#error-memberName').text('');
+    var userName = $('#memberName').val();
+
+    // check empty
+    if($.trim(userName) == ''){
+      return false;
+    }
+
+    // check duplication
+    var exists = $('#members li').filter(function(){
+      return $(this).data('name') == userName;
+    }).length > 0;
+    if(exists){
+      $('#error-memberName').text('User has been already added.');
+      return false;
+    }
+
+    // check existence
+    $.post('@path/admin/users/_usercheck', {
+      'userName': userName
+    }, function(data, status){
+      if(data == 'true'){
+        // add member
+        $('#members').append($('<li>')
+          .data('name', userName)
+          .append($('<a>').attr('href', '@path/' + userName).text(userName))
+          .append(' ')
+          .append($('<a>').attr('href', '#').addClass('remove').text('(remove)')));
+        $('#memberName').val('');
+
+        // update hidden value
+        var userNames = $('#members li').map(function(i, e){
+          return $(e).data('name');
+        }).get().join(',');
+        $('#memberNames').val(userNames);
+      } else {
+        $('#error-memberName').text('User does not exist.');
+      }
+    });
+  });
+
+  $(document).on('click', '.remove', function(){
+    // remove member
+    $(this).parent().remove();
+
+    // update hidden value
+    var userNames = $('#members li').map(function(i, e){
+      return $(e).data('name');
+    }).get().join(',');
+    $('#memberNames').val(userNames);
+  });
+
+  // Don't submit form by ENTER key
+  $('#memberName').keypress(function(e){
+    console.log(e.keyCode);
+    return !(e.keyCode == 13);
+  });
+});
+</script>
--- a/src/main/twirl/admin/users/list.scala.html
+++ b/src/main/twirl/admin/users/list.scala.html
@@ -1,30 +1,46 @@
-@(users: List[model.Account])(implicit context: app.Context)
+@(users: List[model.Account], members: Map[String, List[String]])(implicit context: app.Context)
@import context._
@import view.helpers._
@html.main("Manage Users"){
  @admin.html.menu("users"){
    <div style="text-align: right; margin-bottom: 4px;">
-      <a href="@path/admin/users/_new" class="btn">New User</a>
+      <a href="@path/admin/users/_newuser" class="btn">New User</a>
+      <a href="@path/admin/users/_newgroup" class="btn">New Group</a>
    </div>
    <table class="table table-bordered table-hover">
      @users.map { account =>
        <tr>
          <td>
            <div class="pull-right">
-              <a href="@path/admin/users/@account.userName/_edit">Edit</a>
+              @if(account.isGroupAccount){
+                <a href="@path/admin/users/@account.userName/_editgroup">Edit</a>
+              } else {
+                <a href="@path/admin/users/@account.userName/_edituser">Edit</a>
+              }
            </div>
            <div class="strong">
              @avatar(account.userName, 20)
              <a href="@url(account.userName)">@account.userName</a>
-              @if(account.isAdmin){
-                (Administrator)
+              @if(account.isGroupAccount){
+                (Group)
              } else {
-                (Normal)
+                @if(account.isAdmin){
+                  (Administrator)
+                } else {
+                  (Normal)
+                }
+              }
+              @if(account.isGroupAccount){
+                @members(account.userName).map { userName =>
+                  @avatar(userName, 20, tooltip = true)
+                }
              }
            </div>
            <div>
              <hr>
-              <i class="icon-envelope"></i> @account.mailAddress
+              @if(!account.isGroupAccount){
+                <i class="icon-envelope"></i> @account.mailAddress
+              }
              @account.url.map { url =>
                <i class="icon-home"></i> @url
              }
@@ -32,7 +48,9 @@
            <div>
              <span class="muted">Registered:</span> @datetime(account.registeredDate)
              <span class="muted">Updated:</span> @datetime(account.updatedDate)
-              <span class="muted">Last Login:</span> @account.lastLoginDate.map(datetime)
+              @if(!account.isGroupAccount){
+                <span class="muted">Last Login:</span> @account.lastLoginDate.map(datetime)
+              }
            </div>
          </td>
        </tr>
--- a/src/main/twirl/admin/users/user.scala.html
+++ b/src/main/twirl/admin/users/user.scala.html
@@ -2,30 +2,33 @@
@import context._
@html.main(if(account.isEmpty) "New User" else "Update User"){
  @admin.html.menu("users"){
-    <form method="POST" action="@if(account.isEmpty){@path/admin/users/_new} else {@path/admin/users/@account.get.userName/_edit}" validate="true">
+    <form method="POST" action="@if(account.isEmpty){@path/admin/users/_newuser} else {@path/admin/users/@account.get.userName/_edituser}" validate="true">
      <div class="row-fluid">
        <div class="span6">
          <fieldset>
-            <label for="userName"><strong>Username</strong></label>
-            <input type="text" name="userName" id="userName" value="@account.map(_.userName)"@if(account.isDefined){ readonly}/>
+            <label for="userName" class="strong">Username</label>
            <span id="error-userName" class="error"></span>
+            <input type="text" name="userName" id="userName" value="@account.map(_.userName)"@if(account.isDefined){ readonly}/>
          </fieldset>
+          @if(account.map(_.password.nonEmpty).getOrElse(true)){
+            <fieldset>
+              <label for="password" class="strong">
+                Password
+                @if(account.isDefined){
+                  (Input to change password)
+                }
+              </label>
+              <span id="error-password" class="error"></span>
+              <input type="password" name="password" id="password" value="" autocomplete="off"/>
+            </fieldset>
+          }
          <fieldset>
-            <label for="password"><strong>Password</strong>
-              @if(account.isDefined){
-                (Input to change password)
-              }
-            </label>
-            <input type="password" name="password" id="password" value="" autocomplete="off"/>
-            <span id="error-password" class="error"></span>
-          </fieldset>
-          <fieldset>
-            <label for="mailAddress"><strong>Mail Address</strong></label>
-            <input type="text" name="mailAddress" id="mailAddress" value="@account.map(_.mailAddress)"/>
+            <label for="mailAddress" class="strong">Mail Address</label>
            <span id="error-mailAddress" class="error"></span>
+            <input type="text" name="mailAddress" id="mailAddress" value="@account.map(_.mailAddress)"/>
          </fieldset>
          <fieldset>
-            <label><strong>User Type</strong></label>
+            <label class="strong">User Type</label>
            <label for="userType_Normal">
              <input type="radio" name="isAdmin" id="userType_Normal" value="false"@if(account.isEmpty || !account.get.isAdmin){ checked}/> Normal
            </label>
@@ -34,14 +37,14 @@
            </label>
          </fieldset>
          <fieldset>
-            <label><strong>URL (Optional)</strong></label>
-            <input type="text" name="url" id="url" style="width: 400px;" value="@account.map(_.url)"/>
+            <label class="strong">URL (Optional)</label>
            <span id="error-url" class="error"></span>
+            <input type="text" name="url" id="url" style="width: 400px;" value="@account.map(_.url)"/>
          </fieldset>
        </div>
        <div class="span6">
          <fieldset>
-            <label for="avatar"><strong>Image (Optional)</strong></label>
+            <label for="avatar" class="strong">Image (Optional)</label>
            @helper.html.uploadavatar(account)
          </fieldset>
        </div>
--- a/src/main/twirl/dashboard/issues.scala.html
+++ b/src/main/twirl/dashboard/issues.scala.html
@@ -0,0 +1,48 @@
+@(listparts: twirl.api.Html,
+  allCount: Int,
+  assignedCount: Int,
+  createdByCount: Int,
+  repositories: List[(String, String, Int)],
+  condition: service.IssuesService.IssueSearchCondition,
+  filter: String)(implicit context: app.Context)
+@import context._
+@import view.helpers._
+@html.main("Your Issues"){
+@dashboard.html.tab("issues")
+<div class="row-fluid">
+  <div class="span3">
+    <ul class="nav nav-pills nav-stacked">
+      <li@if(filter == "all"){ class="active"}>
+        <a href="@path/dashboard/issues/repos@condition.toURL">
+          <span class="count-right">@allCount</span>
+          In your repositories
+        </a>
+      </li>
+      <li@if(filter == "assigned"){ class="active"}>
+        <a href="@path/dashboard/issues/assigned@condition.toURL">
+          <span class="count-right">@assignedCount</span>
+          Assigned to you
+        </a>
+      </li>
+      <li@if(filter == "created_by"){ class="active"}>
+        <a href="@path/dashboard/issues/created_by@condition.toURL">
+          <span class="count-right">@createdByCount</span>
+          Created by you
+        </a>
+      </li>
+    </ul>
+    <hr/>
+    <ul class="nav nav-pills nav-stacked small">
+      @repositories.map { case (owner, name, count) =>
+      <li@if(condition.repo == Some(owner + "/" + name)){ class="active"}>
+        <a href="@condition.copy(repo = Some(owner + "/" + name)).toURL">
+          <span class="count-right">@count</span>
+          @owner/@name
+        </a>
+      </li>
+      }
+    </ul>
+  </div>
+  @listparts
+</div>
+}
--- a/src/main/twirl/dashboard/pulls.scala.html
+++ b/src/main/twirl/dashboard/pulls.scala.html
@@ -0,0 +1,40 @@
+@(listparts: twirl.api.Html,
+  counts: List[service.PullRequestService.PullRequestCount],
+  repositories: List[(String, String, Int)],
+  condition: service.IssuesService.IssueSearchCondition,
+  filter: String)(implicit context: app.Context)
+@import context._
+@import view.helpers._
+@html.main("Your Issues"){
+@dashboard.html.tab("pulls")
+<div class="row-fluid">
+  <div class="span3">
+    <ul class="nav nav-pills nav-stacked">
+      <li@if(filter == "created_by"){ class="active"}>
+        <a href="@path/dashboard/pulls/owned@condition.toURL">
+          <span class="count-right">@counts.find(_.userName == loginAccount.get.userName).map(_.count).getOrElse(0)</span>
+          Yours
+        </a>
+      </li>
+      <li@if(filter == "not_created_by"){ class="active"}>
+        <a href="@path/dashboard/pulls/public@condition.toURL">
+          <span class="count-right">@counts.filter(_.userName != loginAccount.get.userName).map(_.count).sum</span>
+          Public
+        </a>
+      </li>
+    </ul>
+    <hr/>
+    <ul class="nav nav-pills nav-stacked small">
+      @repositories.map { case (owner, name, count) =>
+      <li@if(condition.repo == Some(owner + "/" + name)){ class="active"}>
+        <a href="@path/dashboard/pulls/for/@owner/@name">
+          <span class="count-right">@count</span>
+          @owner/@name
+        </a>
+      </li>
+      }
+    </ul>
+  </div>
+  @listparts
+</div>
+}
--- a/src/main/twirl/dashboard/tab.scala.html
+++ b/src/main/twirl/dashboard/tab.scala.html
@@ -0,0 +1,9 @@
+@(active: String = "")(implicit context: app.Context)
+@import context._
+<ul class="nav nav-tabs">
+  <li@if(active == ""){ class="active"}><a href="@path/">News Feed</a></li>
+  @if(loginAccount.isDefined){
+    <li@if(active == "pulls" ){ class="active"}><a href="@path/dashboard/pulls">Pull Requests</a></li>
+    <li@if(active == "issues"){ class="active"}><a href="@path/dashboard/issues/repos">Issues</a></li>
+  }
+</ul>
--- a/src/main/twirl/header.scala.html
+++ b/src/main/twirl/header.scala.html
@@ -1,11 +1,24 @@
@(active: String, repository: service.RepositoryService.RepositoryInfo)(implicit context: app.Context)
@import context._
@import view.helpers._
+<div class="pull-right">
+  <div class="input-prepend">
+    <a href="@path/@repository.owner/@repository.name/fork" class="btn" style="margin-bottom: 10px;">Fork</a>
+    <span class="add-on"><a href="@url(repository)/network/members">@repository.forkedCount</a></span>
+  </div>
+</div>
 <div class="head">
-  <a href="@url(repository.owner)">@repository.owner</a> / <a href="@url(repository)">@repository.name</a>
+  <a href="@url(repository.owner)">@repository.owner</a> / <a href="@url(repository)" class="strong">@repository.name</a>
  @if(repository.repository.isPrivate){
    <i class="icon-lock"></i>
  }
+  @defining(repository.repository){ x =>
+    @if(repository.repository.originRepositoryName.isDefined){
+      <div class="forked">
+        forked from <a href="@path/@x.parentUserName/@x.parentRepositoryName">@x.parentUserName/@x.parentRepositoryName</a>
+      </div>
+    }
+  }
 </div>
 <table class="global-nav box-header">
  <tr>
@@ -14,16 +27,28 @@
    </th>
    <th class="box-header@if(active=="issues"){ active}">
      <a href="@url(repository)/issues">Issues</a>
+      @if(repository.issueCount > 0){
+        <span class="badge">@repository.issueCount</span>
+      }
+    </th>
+    <th class="box-header@if(active=="pulls"){ active}">
+      <a href="@url(repository)/pulls">Pull Requests</a>
+      @if(repository.pullCount > 0){
+        <span class="badge">@repository.pullCount</span>
+      }
    </th>
    <th class="box-header@if(active=="wiki"){ active}">
      <a href="@url(repository)/wiki">Wiki</a>
    </th>
+    <th class="box-header@if(active=="network"){ active}">
+      <a href="@url(repository)/network/members">Network</a>
+    </th>
    @if(loginAccount.isDefined && (loginAccount.get.isAdmin || loginAccount.get.userName == repository.owner)){
    <th class="box-header@if(active=="settings"){ active}">
      <a href="@url(repository)/settings">Settings</a>
    </th>
    }
-  </tr>  
+  </tr>
 </table>
 <script type="text/javascript">
 $(function(){
--- a/src/main/twirl/helper/account.scala.html
+++ b/src/main/twirl/helper/account.scala.html
@@ -0,0 +1,15 @@
+@(id: String, width: Int)(implicit context: app.Context)
+@import context._
+<input type="text" name="@id" id="@id" style="width: @{width}px; margin-bottom: 0px;"/>
+<script>
+$(function(){
+  $('#@id').typeahead({
+    source: function (query, process) {
+      return $.get('@path/_user/proposals', { query: query },
+        function (data) {
+          return process(data.options);
+        });
+    }
+  });
+});
+</script>
--- a/src/main/twirl/helper/activities.scala.html
+++ b/src/main/twirl/helper/activities.scala.html
@@ -1,43 +1,96 @@
@(activities: List[model.Activity])(implicit context: app.Context)
@import context._
@import view.helpers._
+
@if(activities.isEmpty){
  No activity
 } else {
  @activities.map { activity =>
    <div class="block">
-      <div class="muted small">@datetime(activity.activityDate)</div>
-      <div class="strong">
-        @avatar(activity.activityUserName, 16)
-        @activityMessage(activity.message)
-      </div>
-      @activity.additionalInfo.map { additionalInfo =>
-        @(activity.activityType match {
-          case "create_wiki" => {
-            <div class="small activity-message">Created <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${additionalInfo}"}>{additionalInfo}</a>.</div>
-          }
-          case "edit_wiki" => {
-            <div class="small activity-message">Edited <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${additionalInfo}"}>{additionalInfo}</a>.</div>
-          }
-          case "push" => {
-            <div class="small activity-message">
-              {additionalInfo.split("\n").reverse.take(4).zipWithIndex.map{ case (commit, i) =>
-                if(i == 3){
-                  <div>...</div>
-                } else {
+      @(activity.activityType match {
+        case "open_issue"        => detailActivity(activity, "activity-issue.png")
+        case "comment_issue"     => detailActivity(activity, "activity-comment.png")
+        case "close_issue"       => detailActivity(activity, "activity-issue-close.png")
+        case "reopen_issue"      => detailActivity(activity, "activity-issue-reopen.png")
+        case "open_pullreq"      => detailActivity(activity, "activity-merge.png")
+        case "merge_pullreq"     => detailActivity(activity, "activity-merge.png")
+        case "create_repository" => simpleActivity(activity, "activity-create-repository.png")
+        case "create_branch"     => simpleActivity(activity, "activity-branch.png")
+        case "create_tag"        => simpleActivity(activity, "activity-tag.png")
+        case "fork"              => simpleActivity(activity, "activity-fork.png")
+        case "push"  => customActivity(activity, "activity-commit.png"){
+          <div class="small activity-message">
+            {activity.additionalInfo.get.split("\n").reverse.take(4).zipWithIndex.map{ case (commit, i) =>
+              if(i == 3){
+                <div>...</div>
+              } else {
+                if(commit.nonEmpty){
                  <div>
-                    <a href={s"${path}/${activity.userName}/${activity.repositoryName}/commit/${commit.substring(0, 40)}"} class="monospace">{commit.substring(0, 7)}</a>
-                    <span>{commit.substring(41)}</span>
+                     <a href={s"${path}/${activity.userName}/${activity.repositoryName}/commit/${commit. substring(0, 40)}"} class="monospace">{commit.substring(0, 7)}</a>
+                     <span>{commit.substring(41)}</span>
                  </div>
                }
-              }}
-            </div>
+              }
+            }}
+          </div>
+        }
+        case "create_wiki" => customActivity(activity, "activity-wiki.png"){
+          <div class="small activity-message">
+            Created <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${activity.additionalInfo.get}"}>{activity.additionalInfo.get}</a>.
+          </div>
+        }
+        case "edit_wiki" => customActivity(activity, "activity-wiki.png"){
+          activity.additionalInfo.get.split(":") match {
+            case Array(pageName, commitId) =>
+              <div class="small activity-message">
+                Edited <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${pageName}"}>{pageName}</a>.
+                <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${pageName}/_compare/${commitId.substring(0, 7)}^...${commitId.substring(0, 7)}"}>View the diff »</a>
+              </div>
+            case Array(pageName) =>
+              <div class="small activity-message">
+                Edited <a href={s"${path}/${activity.userName}/${activity.repositoryName}/wiki/${pageName}"}>{pageName}</a>.
+              </div>
          }
-          case _ => {
-            <div class=" activity-message">{additionalInfo}</div>
-          }
-        })
-      }
+        }
+      })
    </div>
  }
 }
+
+@detailActivity(activity: model.Activity, image: String) = {
+  <div class="activity-icon-large"><img src="@assets/common/images/@image"/></div>
+  <div class="activity-content">
+    <div class="muted small">@datetime(activity.activityDate)</div>
+    <div class="strong">
+      @avatar(activity.activityUserName, 16)
+      @activityMessage(activity.message)
+    </div>
+    @activity.additionalInfo.map { additionalInfo =>
+      <div class=" activity-message">@additionalInfo</div>
+    }
+  </div>
+}
+
+@customActivity(activity: model.Activity, image: String)(additionalInfo: Any) = {
+  <div class="activity-icon-large"><img src="@assets/common/images/@image"/></div>
+  <div class="activity-content">
+    <div class="muted small">@datetime(activity.activityDate)</div>
+    <div class="strong">
+      @avatar(activity.activityUserName, 16)
+      @activityMessage(activity.message)
+    </div>
+    @additionalInfo
+  </div>
+}
+
+@simpleActivity(activity: model.Activity, image: String) = {
+  <div class="activity-icon-small"><img src="@assets/common/images/@image"/></div>
+  <div class="activity-content">
+    <div>
+      @avatar(activity.activityUserName, 16)
+      @activityMessage(activity.message)
+      <span class="muted small">@datetime(activity.activityDate)</span>
+    </div>
+  </div>
+}
+
--- a/src/main/twirl/helper/copy.scala.html
+++ b/src/main/twirl/helper/copy.scala.html
@@ -0,0 +1,36 @@
+@(id: String, value: String)(html: Html)
+<div class="input-append">
+  @html
+  <span id="@id" class="add-on btn" data-clipboard-text="@value" data-placement="bottom" title="copy to clipboard"><i class="icon-check"></i></span>
+</div>
+<script>
+// copy to clipboard
+(function() {
+  // Find ZeroClipboard.swf file URI from ZeroClipboard JavaScript file path.
+  // NOTE(tanacasino) I think this way is wrong... but i don't know correct way.
+  var moviePath = (function() {
+    var zclipjs = "ZeroClipboard.min.js";
+    var scripts = document.getElementsByTagName("script");
+    var i = scripts.length;
+    while(i--) {
+      var match = scripts[i].src.match(zclipjs + "$");
+      if(match) {
+        return match.input.substr(0, match.input.length - 6) + 'swf';
+      }
+    }
+  })();
+  var clip = new ZeroClipboard($("#@id"), {
+    moviePath: moviePath
+  });
+  var title = $('#@id').attr('title');
+  $('#@id').removeAttr('title')
+  clip.on('complete', function(client, args) {
+    $(clip.htmlBridge).attr('title', 'copied!').tooltip('fixTitle').tooltip('show');
+    $(clip.htmlBridge).attr('title', title).tooltip('fixTitle');
+  });
+  $(clip.htmlBridge).tooltip({
+    title: title,
+    placement: $('#@id').attr('data-placement')
+  });
+})();
+</script>
--- a/src/main/twirl/helper/diff.scala.html
+++ b/src/main/twirl/helper/diff.scala.html
@@ -1,7 +1,39 @@
-@(diffs: Seq[util.JGitUtil.DiffInfo], repository: service.RepositoryService.RepositoryInfo, commitId: Option[String])(implicit context: app.Context)
+@(diffs: Seq[util.JGitUtil.DiffInfo],
+ repository: service.RepositoryService.RepositoryInfo,
+ newCommitId: Option[String],
+ oldCommitId: Option[String],
+ showIndex: Boolean)(implicit context: app.Context)
@import context._
@import view.helpers._
@import org.eclipse.jgit.diff.DiffEntry.ChangeType
+@if(showIndex){
+  <div>
+    <div class="pull-right" style="margin-bottom: 10px;">
+      <input id="toggle-file-list" type="button" class="btn" value="Show file list"/>
+    </div>
+    Showing @diffs.size changed @plural(diffs.size, "file")
+  </div>
+  <ul id="commit-file-list" style="display: none;">
+  @diffs.zipWithIndex.map { case (diff, i) =>
+    <li@if(i > 0){ class="border"}>
+      <a href="#diff-@i">
+        @if(diff.changeType == ChangeType.COPY || diff.changeType == ChangeType.RENAME){
+          <img src="@assets/common/images/diff_move.png"/> @diff.oldPath -> @diff.newPath
+        }
+        @if(diff.changeType == ChangeType.ADD){
+          <img src="@assets/common/images/diff_add.png"/> @diff.newPath
+        }
+        @if(diff.changeType == ChangeType.MODIFY){
+          <img src="@assets/common/images/diff_edit.png"/> @diff.newPath
+        }
+        @if(diff.changeType == ChangeType.DELETE){
+          <img src="@assets/common/images/diff_delete.png"/> @diff.oldPath
+        }
+      </a>
+    </li>
+    }
+  </ul>
+}
@diffs.zipWithIndex.map { case (diff, i) =>
  <a name="diff-@i"></a>
  <table class="table table-bordered">
@@ -9,17 +41,27 @@
      <th style="font-weight: normal;" class="box-header">
        @if(diff.changeType == ChangeType.COPY || diff.changeType == ChangeType.RENAME){
          @diff.oldPath -> @diff.newPath
+          @if(newCommitId.isDefined){
+            <div class="pull-right align-right">
+              <a href="@url(repository)/blob/@newCommitId.get/@diff.newPath" class="btn btn-small">View file @@ @newCommitId.get.substring(0, 10)</a>
+            </div>
+          }
        }
        @if(diff.changeType == ChangeType.ADD || diff.changeType == ChangeType.MODIFY){
          @diff.newPath
+          @if(newCommitId.isDefined){
+            <div class="pull-right align-right">
+              <a href="@url(repository)/blob/@newCommitId.get/@diff.newPath" class="btn btn-small">View file @@ @newCommitId.get.substring(0, 10)</a>
+            </div>
+          }
        }
        @if(diff.changeType == ChangeType.DELETE){
          @diff.oldPath
-        }
-        @if(commitId.isDefined){
-          <div class="pull-right align-right">
-            <a href="@url(repository)/blob/@commitId.get/@diff.newPath" class="btn btn-small">View file @@ @commitId.get.substring(0, 10)</a>
-          </div>
+          @if(oldCommitId.isDefined){
+            <div class="pull-right align-right">
+              <a href="@url(repository)/blob/@oldCommitId.get/@diff.oldPath" class="btn btn-small">View file @@ @oldCommitId.get.substring(0, 10)</a>
+            </div>
+          }
        }
      </th>
    </tr>
@@ -90,6 +132,17 @@ function diffUsingJS(oldTextId, newTextId, outputId) {
 }

 $(function(){
+  @if(showIndex){
+    $('#toggle-file-list').click(function(){
+      $('#commit-file-list').toggle();
+      if($(this).val() == 'Show file list'){
+        $(this).val('Hide file list');
+      } else {
+        $(this).val('Show file list');
+      }
+    });
+  }
+
  @diffs.zipWithIndex.map { case (diff, i) =>
    @if(diff.newContent != None || diff.oldContent != None){
      if($('#oldText-@i').length > 0){
--- a/src/main/twirl/helper/dropdown.scala.html
+++ b/src/main/twirl/helper/dropdown.scala.html
@@ -1,10 +1,13 @@
-@(buttonValue: String = "")(body: Html)
-<div class="btn-group">
-  <button class="btn btn-mini dropdown-toggle" data-toggle="dropdown">
-    @if(buttonValue == ""){
+@(value: String = "", prefix: String = "", mini: Boolean = true, style: String = "")(body: Html)
+<div class="btn-group"@if(style.nonEmpty){ style="@style"}>
+  <button class="btn dropdown-toggle@if(mini){ btn-mini}" data-toggle="dropdown">
+    @if(value.isEmpty){
      <i class="icon-cog"></i>
    } else {
-      <strong>@buttonValue</strong>
+      @if(prefix.nonEmpty){
+        <span class="muted">@prefix:</span>
+      }
+      <span class="strong">@value</span>
    }
    <span class="caret"></span>
  </button>
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				java -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"