4 files changed, 16 insertions, 0 deletions
diff --git a/modules/notification/base/notifier.go b/modules/notification/base/notifier.go
index 428f9a9544..5cd2b4c060 100644
--- a/modules/notification/base/notifier.go
+++ b/modules/notification/base/notifier.go
@@ -28,6 +28,7 @@ type Notifier interface {
 	NotifyIssueChangeContent(doer *models.User, issue *models.Issue, oldContent string)
 	NotifyIssueClearLabels(doer *models.User, issue *models.Issue)
 	NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string)
+	NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string)
 	NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 		addedLabels []*models.Label, removedLabels []*models.Label)
 
diff --git a/modules/notification/base/null.go b/modules/notification/base/null.go
index b2ce0742b6..15d06ec856 100644
--- a/modules/notification/base/null.go
+++ b/modules/notification/base/null.go
@@ -102,6 +102,10 @@ func (*NullNotifier) NotifyIssueClearLabels(doer *models.User, issue *models.Iss
 func (*NullNotifier) NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string) {
 }
 
+// NotifyIssueChangeRef places a place holder function
+func (*NullNotifier) NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldTitle string) {
+}
+
 // NotifyIssueChangeLabels places a place holder function
 func (*NullNotifier) NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 	addedLabels []*models.Label, removedLabels []*models.Label) {
diff --git a/modules/notification/indexer/indexer.go b/modules/notification/indexer/indexer.go
index f292d7339b..6e848e6318 100644
--- a/modules/notification/indexer/indexer.go
+++ b/modules/notification/indexer/indexer.go
@@ -148,3 +148,7 @@ func (r *indexerNotifier) NotifyIssueChangeContent(doer *models.User, issue *mod
 func (r *indexerNotifier) NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle string) {
 	issue_indexer.UpdateIssueIndexer(issue)
 }
+
+func (r *indexerNotifier) NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string) {
+	issue_indexer.UpdateIssueIndexer(issue)
+}
diff --git a/modules/notification/notification.go b/modules/notification/notification.go
index d17b13b9e5..57f1e7c16d 100644
--- a/modules/notification/notification.go
+++ b/modules/notification/notification.go
@@ -178,6 +178,13 @@ func NotifyIssueChangeTitle(doer *models.User, issue *models.Issue, oldTitle str
 	}
 }
 
+// NotifyIssueChangeRef notifies change reference to notifiers
+func NotifyIssueChangeRef(doer *models.User, issue *models.Issue, oldRef string) {
+	for _, notifier := range notifiers {
+		notifier.NotifyIssueChangeRef(doer, issue, oldRef)
+	}
+}
+
 // NotifyIssueChangeLabels notifies change labels to notifiers
 func NotifyIssueChangeLabels(doer *models.User, issue *models.Issue,
 	addedLabels []*models.Label, removedLabels []*models.Label) {