remote.py 文件源码

def read_branch(repo_path, name):
    """
    Read branch and get HEAD sha

    :param repo_path: Path to repo of branch
    :param name: Name of branch to read
    :returns: SHA of HEAD or None if branch is not found
    """

    url = 'repos/%s/git/refs/heads/%s' % (repo_path, name)

    app.logger.debug('GET: %s', url)

    resp = github.get(url)

    # Branch doesn't exist
    if resp.status == 404:
        return None

    if resp.status != 200:
        log_error('Failed reading branch', url, resp)
        return None

    return resp.data['object']['sha']