fix issue indexer not triggered when migrating a repository (#9333)

modules/indexer/issues/indexer.go

@@ -138,6 +138,13 @@ func populateIssueIndexer() {
 		}
 
 		for _, repo := range repos {
+			UpdateRepoIndexer(repo)
+		}
+	}
+}
+
+// UpdateRepoIndexer add/update all issues of the repositories
+func UpdateRepoIndexer(repo *models.Repository) {
 	is, err := models.Issues(&models.IssuesOptions{
 		RepoIDs:  []int64{repo.ID},
 		IsClosed: util.OptionalBoolNone,
@@ -145,17 +152,15 @@ func populateIssueIndexer() {
 	})
 	if err != nil {
 		log.Error("Issues: %v", err)
-				continue
+		return
 	}
 	if err = models.IssueList(is).LoadDiscussComments(); err != nil {
 		log.Error("LoadComments: %v", err)
-				continue
+		return
 	}
 	for _, issue := range is {
 		UpdateIssueIndexer(issue)
 	}
-		}
-	}
 }
 
 // UpdateIssueIndexer add/update an issue to the issue indexer

modules/notification/indexer/indexer.go

@@ -107,3 +107,8 @@ 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) NotifyMigrateRepository(doer *models.User, u *models.User, repo *models.Repository) {
+	issue_indexer.UpdateRepoIndexer(repo)
+	models.UpdateRepoIndexer(repo)
+}