fix showing pull request link when delete a branch (#5166)

lunny · techknowlogick · commit a2ee2a3c6730 · 2018-10-28T18:15:25.000-04:00
diff --git 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 {

Original file line number	Diff line number	Diff line change
`@@ -214,7 +214,7 @@ func runHookPostReceive(c *cli.Context) error {`
`214`	`214`	`log.GitLogger.Error(2, "Update: %v", err)`
`215`	`215`	`}`
`216`	`216`
`217`		`- if strings.HasPrefix(refFullName, git.BranchPrefix) {`
	`217`	`+ if newCommitID != git.EmptySHA && strings.HasPrefix(refFullName, git.BranchPrefix) {`
`218`	`218`	`branch := strings.TrimPrefix(refFullName, git.BranchPrefix)`
`219`	`219`	`repo, pullRequestAllowed, err := private.GetRepository(repoID)`
`220`	`220`	`if err != nil {`