1#!/usr/bin/env python3 2# 3# Copyright (C) 2020 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17 18""" 19Freeze kernel configs for a compatibility matrix release. 20""" 21 22import argparse 23import datetime 24import os 25import shutil 26 27import subprocess 28 29def check_call(*args, **kwargs): 30 print(args[0]) 31 subprocess.check_call(*args, **kwargs) 32 33def replace_configs_module_name(new_release, file_path): 34 check_call("sed -i'' -E 's/\"kernel_config_current_([0-9.]*)\"/\"kernel_config_{}_\\1\"/g' {}" 35 .format(new_release, file_path), shell=True) 36 37class Freeze(object): 38 def __init__(self, cmdline_args): 39 top = os.environ["ANDROID_BUILD_TOP"] 40 self.new_release = cmdline_args.name 41 self.configs_dir = os.path.join(top, "kernel/configs") 42 self.new_release_dir = os.path.join(self.configs_dir, self.new_release) 43 self.interfaces_dir = os.path.join(top, "hardware/interfaces") 44 self.versions = [e for e in os.listdir(self.configs_dir) if e.startswith("android-")] 45 self.bugline = "Bug: {}\n".format(cmdline_args.bug) if cmdline_args.bug else "" 46 47 def run(self): 48 self.move_configs() 49 self.freeze_configs_in_matrices() 50 self.create_current() 51 self.print_summary() 52 53 def move_configs(self): 54 os.makedirs(self.new_release_dir, exist_ok=False) 55 for version in self.versions: 56 src = os.path.join(self.configs_dir, version) 57 dst = os.path.join(self.new_release_dir, version) 58 shutil.move(src, dst) 59 for file_name in os.listdir(dst): 60 abs_path = os.path.join(dst, file_name) 61 if not os.path.isfile(abs_path): 62 continue 63 year = datetime.datetime.now().year 64 check_call("sed -i'' -E 's/Copyright \\(C\\) [0-9]{{4,}}/Copyright (C) {}/g' {}".format(year, abs_path), shell=True) 65 replace_configs_module_name(self.new_release, abs_path) 66 67 check_call('git -C {} add android-* {}'.format(self.configs_dir, self.new_release), shell=True) 68 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) 69 70 def freeze_configs_in_matrices(self): 71 matrices_soong = "compatibility_matrices/Android.bp" 72 matrices_soong_abs_path = os.path.join(self.interfaces_dir, matrices_soong) 73 replace_configs_module_name(self.new_release, matrices_soong_abs_path) 74 75 check_call('git -C {} add {}'.format(self.interfaces_dir, matrices_soong), shell=True) 76 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) 77 78 def create_current(self): 79 check_call('git -C {} checkout HEAD~ -- android-*'.format(self.configs_dir), shell=True) 80 check_call('git -C {} add android-*'.format(self.configs_dir), shell=True) 81 check_call('git -C {} commit -m "Create kernel configs for current.\n\n{}Test: builds"'.format(self.configs_dir, self.bugline), shell=True) 82 83 def print_summary(self): 84 print("*** Please submit these changes to {} branch: ***".format(self.new_release)) 85 check_call('git -C {} show -s --format=%B HEAD~1'.format(self.configs_dir), shell=True) 86 check_call('git -C {} show -s --format=%B HEAD'.format(self.interfaces_dir), shell=True) 87 print("*** Please submit these changes to master branch: ***") 88 check_call('git -C {} show -s --format=%B HEAD'.format(self.configs_dir), shell=True) 89 90def main(): 91 parser = argparse.ArgumentParser(description=__doc__) 92 parser.add_argument('name', type=str, help='name of the directory (e.g. r)') 93 parser.add_argument('--bug', type=str, nargs='?', help='Bug number') 94 cmdline_args = parser.parse_args() 95 96 Freeze(cmdline_args).run() 97 98if __name__ == '__main__': 99 main() 100