Disable the post commit hook for Wiki repository.

src/main/scala/servlet/GitRepositoryServlet.scala

@@ -69,7 +69,9 @@ class GitBucketReceivePackFactory extends ReceivePackFactory[HttpServletRequest]
       logger.debug("repository:" + owner + "/" + repository)
       logger.debug("baseURL:" + baseURL)
 
+      if(!repository.endsWith(".wiki")){
         receivePack.setPostReceiveHook(new CommitLogHook(owner, repository, pusher, baseURL))
+      }
       receivePack
     }
   }
@@ -83,6 +85,7 @@ class CommitLogHook(owner: String, repository: String, pusher: String, baseURL:
   private val logger = LoggerFactory.getLogger(classOf[CommitLogHook])
   
   def onPostReceive(receivePack: ReceivePack, commands: java.util.Collection[ReceiveCommand]): Unit = {
+    try {
       using(Git.open(Directory.getRepositoryDir(owner, repository))) { git =>
         commands.asScala.foreach { command =>
           logger.debug(s"commandType: ${command.getType}, refName: ${command.getRefName}")
@@ -155,6 +158,12 @@ class CommitLogHook(owner: String, repository: String, pusher: String, baseURL:
       }
       // update repository last modified time.
       updateLastActivityDate(owner, repository)
+    } catch {
+      case ex: Exception => {
+        logger.error(ex.toString, ex)
+        throw ex
+      }
+    }
   }
 
   private def createIssueComment(commit: CommitInfo) = {