Improve the commit hook to add commit messages to the issue comment.

src/main/scala/servlet/GitRepositoryServlet.scala

@@ -9,7 +9,7 @@ import org.slf4j.LoggerFactory
 import javax.servlet.ServletConfig
 import javax.servlet.ServletContext
 import javax.servlet.http.HttpServletRequest
-import util.Directory
+import util.{JGitUtil, Directory}
 
 /**
  * Provides Git repository via HTTP.
@@ -43,36 +43,41 @@ class GitRepositoryServlet extends GitServlet {
 }
 
 class GitBucketRecievePackFactory extends ReceivePackFactory[HttpServletRequest] {
+  
+  private val logger = LoggerFactory.getLogger(classOf[GitBucketRecievePackFactory])
+  
   override def create(req: HttpServletRequest, db: Repository): ReceivePack = {
     val receivePack = new ReceivePack(db)
-    
-    println("----")
-    println("contextPath: " + req.getContextPath)
-    println("requestURI: " + req.getRequestURI)
-    println("remoteUser:" + req.getRemoteUser)
-    
     val userName = req.getSession.getAttribute("USER_INFO")
-    println("userName: " + userName)
     
-    println("----")
+    logger.debug("requestURI: " + req.getRequestURI)
+    logger.debug("userName:" + userName)
     
-    receivePack.setPostReceiveHook(new CommitLogHook())
+    val pathList = req.getRequestURI.split("/")
+    val owner      = pathList(2)
+    val repository = pathList(3).replaceFirst("\\.git$", "")
+    
+    logger.debug("repository:" + owner + "/" + repository)
+    
+    receivePack.setPostReceiveHook(new CommitLogHook(owner, repository))
     receivePack
   }
 }
 
 import scala.collection.JavaConverters._
 
-class CommitLogHook extends PostReceiveHook {
+class CommitLogHook(owner: String, repository: String) extends PostReceiveHook {
+  
+  private val logger = LoggerFactory.getLogger(classOf[CommitLogHook])
+  
   def onPostReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
-    println("**** hook ****")
+    JGitUtil.withGit(Directory.getRepositoryDir(owner, repository)) { git =>
       commands.asScala.foreach { command =>
-      println(command.getRefName)
-      println(command.getMessage)
-      println(command.getRef().getName())
-      println("--")
+        JGitUtil.getCommitLog(git, command.getOldId.name, command.getNewId.name).foreach { commit =>
+          // TODO extract issue id and add comment to issue
+          logger.debug(commit.id + ":" + commit.message)
+        }
+      }
     }
-    
-    
   }
 }

src/main/scala/util/JGitUtil.scala

@@ -154,6 +154,39 @@ object JGitUtil {
     commits
   }
   
+  /**
+   * Returns the commit list between two revisions.
+   * 
+   * @param git the Git object
+   * @param from the from revision
+   * @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
+  }
+  
+  
   /**
    * Returns the latest RevCommit of the specified path.
    *