(refs #2)Experimental implementation of forking repository.

src/main/scala/service/ActivityService.scala

@@ -102,7 +102,14 @@ trait ActivityService {
       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,
+      "forkk",
+      s"[user:${activityUserName}] forked [repo:${userName}/${repositoryName}] to [repo:${activityUserName}/${repositoryName}]",
+      None,
+      currentDate)
+
   def insertCommitId(userName: String, repositoryName: String, commitId: String) = {
     CommitLog insert (userName, repositoryName, commitId)
   }

src/main/scala/service/WikiService.scala

@@ -68,12 +68,10 @@ trait WikiService {
     lock(owner.userName, repository){
       val dir = Directory.getWikiRepositoryDir(owner.userName, repository)
       if(!dir.exists){
-        val repo = new RepositoryBuilder().setGitDir(dir).setBare.build
         try {
-          repo.create
+          JGitUtil.initRepository(dir)
           saveWikiPage(owner.userName, repository, "Home", "Home", "Welcome to the %s wiki!!".format(repository), owner, "Initial Commit")
         } finally {
-          repo.close
           // once delete cloned repository because initial cloned repository does not have 'branch.master.merge'
           FileUtils.deleteDirectory(Directory.getWikiWorkDir(owner.userName, repository))
         }