pathutil: replace the `skip` argument of `dirs` with a boolean It is ever only used for `r` file. So we make it a boolean this will give use more versatility later as we will stop storing the state explicitly. Differential Revision: https://phab.mercurial-scm.org/D11383

from __future__ import absolute_import

import hashlib

try:
    from ..thirdparty import sha1dc  # pytype: disable=import-error

    sha1 = sha1dc.sha1
except (ImportError, AttributeError):
    sha1 = hashlib.sha1