def find_vcs_root(path, markers=('.git', )):
    """Finds the root directory (including itself) of specified markers.

    Args:
        path (str): Path of directory or file.
        markers (list[str], optional): List of file or directory names.

    Returns:
        The directory contained one of the markers or None if not found.
    """
    if osp.isfile(path):
        path = osp.dirname(path)

    prev, cur = None, osp.abspath(osp.expanduser(path))
    while cur != prev:
        if any(osp.exists(osp.join(cur, marker)) for marker in markers):
            return cur
        prev, cur = cur, osp.split(cur)[0]
    return None
Finds the root directory (including itself) of specified markers.

    Args:
        path (str): Path of directory or file.
        markers (list[str], optional): List of file or directory names.

    Returns:
        The directory contained one of the markers or None if not found.
    
ControlNet-v1-1-nightly/annotator/uniformer/mmcv/utils/path.py