def _pre_commit_has_hallmark(pre_commit_file):
    """
    Looks at a pre-commit file and determine if it was created by Jig.

    :returns: True if Jig created it
    """
    with open(pre_commit_file) as fh:
        script = fh.read()
        if u'from jig' in script or u'jig init' in script:
            return True
    return False