packages/storage/src/git-entry.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import { lstat } from 'node:fs/promises';
import { join, parse } from 'node:path';

export async function hasEnclosingGitEntry(path: string): Promise<boolean> {
  let current = path;
  while (true) {
    try {
      await lstat(join(current, '.git'));
      return true;
    } catch (error) {
      const code = (error as NodeJS.ErrnoException).code;
      if (code !== 'ENOENT' && code !== 'ENOTDIR') throw error;
    }
    const parent = parse(current).dir;
    if (parent === current) return false;
    current = parent;
  }
}