* Finish task#45440

module/mr/lang/en.php

@@ -100,6 +100,10 @@ $lang->mr->accessGitlabFailed  = "Unable to connect to the GitLab server.";
 $lang->mr->reopenSuccess       = "The merge request was reopened.";
 $lang->mr->closeSuccess        = "Merge request closed.";
 
+$lang->mr->apiErrorMap[0] = "You can't use same project/branch for source and target";
+
+$lang->mr->errorLang[0] = 'The source project branch cannot be the same as the target project branch';
+
 $lang->mr->from = "from";
 $lang->mr->to   = "to";
 $lang->mr->at   = "at";

module/mr/lang/zh-cn.php

@@ -100,6 +100,10 @@ $lang->mr->accessGitlabFailed  = "当前无法连接到GitLab服务器。";
 $lang->mr->reopenSuccess       = "已重新打开合并请求。";
 $lang->mr->closeSuccess        = "已关闭合并请求。";
 
+$lang->mr->apiErrorMap[0] = "You can't use same project/branch for source and target";
+
+$lang->mr->errorLang[0] = '源项目分支不能和目标项目分支一样';
+
 $lang->mr->from = "从";
 $lang->mr->to   = "合并到";
 $lang->mr->at   = "于";

module/mr/model.php

@@ -134,7 +134,10 @@ class mrModel extends model
         if(isset($rawMR->message) and !isset($rawMR->iid))
         {
             $this->dao->delete()->from(TABLE_MR)->where('id')->eq($MRID)->exec();
-            return array('result' => 'fail', 'message' => sprintf($this->lang->mr->apiError->createMR, $rawMR->message[0]));
+
+            $errorKey     = array_search($rawMR->message[0], $this->lang->mr->apiErrorMap);
+            $errorMessage = zget($this->lang->mr->errorLang, $errorKey);
+            return array('result' => 'fail', 'message' => sprintf($this->lang->mr->apiError->createMR, $errorMessage));
         }
 
         /* Create MR failed. */