* Fix bug #19853.

lib/scm/gitlab.class.php

@@ -646,7 +646,7 @@ class gitlab
 
         $param = new stdclass();
         $param->path     = urldecode($path);
-        $param->ref_name = $this->branch;
+        $param->ref_name = $fromRevision ? $fromRevision : $this->branch;
 
         $fromDate = $this->getCommittedDate($fromRevision);
         $toDate   = $this->getCommittedDate($toRevision);

module/repo/control.php

@@ -574,6 +574,7 @@ class repo extends control
         $this->scm->setEngine($repo);
         $log = $this->scm->log('', $revision, $revision);
         $log[0]->comment = $this->repo->replaceCommentLink($log[0]->comment);
+        $log[0]->commit  = '';
 
         $history = $this->dao->select('*')->from(TABLE_REPOHISTORY)->where('revision')->eq($log[0]->revision)->andWhere('repo')->eq($repoID)->fetch();
         if($history)