Fix index generation parallelly failure

models/git/commit_status.go

@@ -86,15 +86,15 @@ func mysqlGetCommitStatusIndex(ctx context.Context, repoID int64, sha string) (i
 func mssqlGetCommitStatusIndex(ctx context.Context, repoID int64, sha string) (int64, error) {
 	if _, err := db.GetEngine(ctx).Exec(fmt.Sprintf(`
 MERGE INTO commit_status_index WITH (HOLDLOCK) AS target
-USING (SELECT %d AS repo_id, %s AS sha) AS source
+USING (SELECT %d AS repo_id, '%s' AS sha) AS source
 (repo_id, sha)
 ON target.repo_id = source.repo_id AND target.sha = source.sha
 WHEN MATCHED
 	THEN UPDATE
 			SET max_index = max_index + 1
 WHEN NOT MATCHED
 	THEN INSERT (repo_id, sha, max_index)
-			VALUES (%d, %s, 1);
+			VALUES (%d, '%s', 1);
 `, repoID, sha, repoID, sha)); err != nil {
 		return 0, err
 	}