getCommitLog is moved to JGitUtil and it get commit logs from only bared

repository.

src/main/scala/app/RepositoryViewerServlet.scala

@@ -78,16 +78,9 @@ class RepositoryViewerServlet extends ServletBase {
     val repository = params("repository")
     val branchName = params("branch")
     val page       = params.getOrElse("page", "1").toInt
-    val dir        = getBranchDir(owner, repository, branchName)
     
-    @scala.annotation.tailrec
+    val (logs, hasNext) = JGitUtil.getCommitLog(
-    def getCommitLog(i: java.util.Iterator[RevCommit], count: Int, logs: List[CommitInfo]): (List[CommitInfo], Boolean)  =
+        Git.open(getRepositoryDir(owner, repository)).getRepository, branchName, page)
-      i.hasNext match {
-        case true if(logs.size < 30) => getCommitLog(i, count + 1, if((page - 1) * 30 < count) logs :+ new CommitInfo(i.next) else logs)
-        case _ => (logs, i.hasNext)
-      }
-    
-    val (logs, hasNext) = getCommitLog(Git.open(dir).log.call.iterator, 0, Nil)
     
     html.commits(branchName, JGitUtil.getRepositoryInfo(owner, repository, servletContext), 
       logs.splitWith{ (commit1, commit2) =>

src/main/scala/util/JGitUtil.scala

@@ -1,7 +1,7 @@
 package util
 
 import org.eclipse.jgit.api.Git
-import app.{RepositoryInfo, FileInfo}
+import app.{RepositoryInfo, FileInfo, CommitInfo}
 import util.Directory._
 import scala.collection.JavaConverters._
 import javax.servlet.ServletContext
@@ -100,8 +100,38 @@ object JGitUtil {
     }}
   }
   
+  /**
+   * Returns the commit list of the specified branch.
+   * 
+   * @param repository the repository
+   * @param revision the branch name or commit id
+   * @param page the page number (1-)
+   * @return a tuple of the commit list and whether has next
+   */
+  def getCommitLog(repository: Repository, revision: String, page: Int): (List[CommitInfo], Boolean) = {
+    @scala.annotation.tailrec
+    def getCommitLog(i: java.util.Iterator[RevCommit], count: Int, logs: List[CommitInfo]): (List[CommitInfo], Boolean)  =
+      i.hasNext match {
+        case true if(logs.size < 30) => getCommitLog(i, count + 1, if((page - 1) * 30 < count) logs :+ new CommitInfo(i.next) else logs)
+        case _ => (logs, i.hasNext)
+      }
+    
+    val revWalk = new RevWalk(repository)
+    revWalk.markStart(revWalk.parseCommit(repository.resolve(revision)))
+    
+    val commits = getCommitLog(revWalk.iterator, 0, Nil)
+    revWalk.release
+    
+    commits
+  }
+  
   /**
    * Returns the latest RevCommit of the specified path.
+   * 
+   * @param repository the repository
+   * @param the path
+   * @param the branch name or commit id
+   * @return the latest commit
    */
   def getLatestCommitFromPath(repository: Repository, path: String, revision: String): RevCommit = {
       val revWalk = new RevWalk(repository)