def clear_mark(self):
        self._push_delete_tracking_branch()
        self._tracking_branch = None
        self._tracking_hash = None
Obtains a file from `file_path` and saves it to `directory`.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/abd/abdt_branch.py/Branch.clear_mark--crossover with--dataset/ETHPy150Open s3rvac/retdec-python/retdec/resource.py/Resource._get_file_and_save_it_to