From a2ee2a3c67304920a968c1c852e43b3dc2d7c3e7 Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Mon, 29 Oct 2018 06:15:25 +0800
Subject: [PATCH] fix showing pull request link when delete a branch (#5166)

---
 cmd/hook.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/hook.go b/cmd/hook.go
index 70849f5142..27500f9c66 100644
--- a/cmd/hook.go
+++ b/cmd/hook.go
@@ -214,7 +214,7 @@ func runHookPostReceive(c *cli.Context) error {
 			log.GitLogger.Error(2, "Update: %v", err)
 		}
 
-		if strings.HasPrefix(refFullName, git.BranchPrefix) {
+		if newCommitID != git.EmptySHA && strings.HasPrefix(refFullName, git.BranchPrefix) {
 			branch := strings.TrimPrefix(refFullName, git.BranchPrefix)
 			repo, pullRequestAllowed, err := private.GetRepository(repoID)
 			if err != nil {