def save(self, filename=None):
        filename = Path(filename) if filename is not None else self.filename
        with filename.open("w") as f:
            f.write(self.yaml)
def _makeglobrecursive(pat):
    """Make a glob pattern recursive by appending "/**" to it"""
    if pat.endswith("/") or not pat:
        return pat + "**"
    else:
        return pat + "/**"