From 125d314465cd56d95761dc64220db1bd35f05b5a Mon Sep 17 00:00:00 2001
From: Unknwon <u@gogs.io>
Date: Fri, 28 Aug 2015 19:28:26 +0800
Subject: [PATCH] more clear error

---
 modules/git/repo_branch.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/modules/git/repo_branch.go b/modules/git/repo_branch.go
index 726019c1b..a4e060533 100644
--- a/modules/git/repo_branch.go
+++ b/modules/git/repo_branch.go
@@ -5,7 +5,6 @@
 package git
 
 import (
-	"errors"
 	"strings"
 
 	"github.com/Unknwon/com"
@@ -23,7 +22,7 @@ func (repo *Repository) IsBranchExist(branchName string) bool {
 func (repo *Repository) GetBranches() ([]string, error) {
 	stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "show-ref", "--heads")
 	if err != nil {
-		return nil, errors.New(stderr)
+		return nil, concatenateError(err, stderr)
 	}
 	infos := strings.Split(stdout, "\n")
 	branches := make([]string, len(infos)-1)