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#!/usr/bin/env python3
#
# Copyright (C) 2021 The Android Open main Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import argparse
import os
import pathlib
import sys
def process_owners(main_dir, main_branch, tracking_dirs):
# walk the tree ...
for subdir, _, files in os.walk(main_dir):
for file in files:
# ... and for each OWNERS file in the main ...
if file == 'OWNERS':
rel_dir = pathlib.Path(subdir[len(main_dir.name) + 1:])
owners = rel_dir / file
for tracking_dir in tracking_dirs:
target = tracking_dir / owners
comment_line = (f'# include OWNERS from the authoritative '
f'{main_branch} branch\n')
include_line = f'include kernel/common:{main_branch}:/{owners}\n'
# ... either add a new file with include directive ...
if not target.is_file():
with open(target, 'w') as file:
file.writelines([comment_line, include_line])
# ... or ensure the include directive is in the file
else:
with open(target) as file:
contents = file.readlines()
if include_line not in contents:
with open(target, 'w') as file:
file.writelines([comment_line, include_line, '\n'] + contents)
def is_dir(dirname):
result = pathlib.Path(dirname)
if not result.is_dir():
raise argparse.ArgumentTypeError(f'{dirname} is not a directory')
else:
return result
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'main_dir', type=is_dir, help='main directory to synchronize from')
parser.add_argument('main_branch', help='main branch name'),
parser.add_argument(
'tracking_dir', type=is_dir, nargs='+', help='tracking directory to synchronize to')
args = parser.parse_args()
process_owners(args.main_dir, args.main_branch, args.tracking_dir)
if __name__ == '__main__':
sys.exit(main())
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