| #!/usr/bin/env python3 |
| # |
| # Copyright (C) 2020 The Android Open Source 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. |
| # |
| |
| """ |
| Freeze kernel configs for a compatibility matrix release. |
| """ |
| |
| import argparse |
| import datetime |
| import os |
| import shutil |
| |
| import subprocess |
| |
| def check_call(*args, **kwargs): |
| print(args[0]) |
| subprocess.check_call(*args, **kwargs) |
| |
| def replace_configs_module_name(new_release, file_path): |
| check_call("sed -i'' -E 's/\"kernel_config_current_([0-9.]*)\"/\"kernel_config_{}_\\1\"/g' {}" |
| .format(new_release, file_path), shell=True) |
| |
| class Freeze(object): |
| def __init__(self, cmdline_args): |
| top = os.environ["ANDROID_BUILD_TOP"] |
| self.new_release = cmdline_args.name |
| self.configs_dir = os.path.join(top, "kernel/configs") |
| self.new_release_dir = os.path.join(self.configs_dir, self.new_release) |
| self.interfaces_dir = os.path.join(top, "hardware/interfaces") |
| self.versions = [e for e in os.listdir(self.configs_dir) if e.startswith("android-")] |
| self.bugline = "Bug: {}\n".format(cmdline_args.bug) if cmdline_args.bug else "" |
| |
| def run(self): |
| self.move_configs() |
| self.freeze_configs_in_matrices() |
| self.create_current() |
| self.print_summary() |
| |
| def move_configs(self): |
| os.makedirs(self.new_release_dir, exist_ok=False) |
| for version in self.versions: |
| src = os.path.join(self.configs_dir, version) |
| dst = os.path.join(self.new_release_dir, version) |
| shutil.move(src, dst) |
| for file_name in os.listdir(dst): |
| abs_path = os.path.join(dst, file_name) |
| if not os.path.isfile(abs_path): |
| continue |
| year = datetime.datetime.now().year |
| check_call("sed -i'' -E 's/Copyright \\(C\\) [0-9]{{4,}}/Copyright (C) {}/g' {}".format(year, abs_path), shell=True) |
| replace_configs_module_name(self.new_release, abs_path) |
| |
| check_call('git -C {} add android-* {}'.format(self.configs_dir, self.new_release), shell=True) |
| check_call('git -C {} commit -m "Freeze kernel configs for {}.\n\n{}Test: builds"'.format(self.configs_dir, self.new_release, self.bugline), shell=True) |
| |
| def freeze_configs_in_matrices(self): |
| matrices_soong = "compatibility_matrices/Android.bp" |
| matrices_soong_abs_path = os.path.join(self.interfaces_dir, matrices_soong) |
| replace_configs_module_name(self.new_release, matrices_soong_abs_path) |
| |
| check_call('git -C {} add {}'.format(self.interfaces_dir, matrices_soong), shell=True) |
| check_call('git -C {} commit -m "Freeze kernel configs for {}.\n\n{}Test: builds"'.format(self.interfaces_dir, self.new_release, self.bugline), shell=True) |
| |
| def create_current(self): |
| check_call('git -C {} checkout HEAD~ -- android-*'.format(self.configs_dir), shell=True) |
| check_call('git -C {} add android-*'.format(self.configs_dir), shell=True) |
| check_call('git -C {} commit -m "Create kernel configs for current.\n\n{}Test: builds"'.format(self.configs_dir, self.bugline), shell=True) |
| |
| def print_summary(self): |
| print("*** Please submit these changes to {} branch: ***".format(self.new_release)) |
| check_call('git -C {} show -s --format=%B HEAD~1'.format(self.configs_dir), shell=True) |
| check_call('git -C {} show -s --format=%B HEAD'.format(self.interfaces_dir), shell=True) |
| print("*** Please submit these changes to master branch: ***") |
| check_call('git -C {} show -s --format=%B HEAD'.format(self.configs_dir), shell=True) |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('name', type=str, help='name of the directory (e.g. r)') |
| parser.add_argument('--bug', type=str, nargs='?', help='Bug number') |
| cmdline_args = parser.parse_args() |
| |
| Freeze(cmdline_args).run() |
| |
| if __name__ == '__main__': |
| main() |