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100 lines
4.4 KiB
100 lines
4.4 KiB
4 months ago
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#!/usr/bin/env python3
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#
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# Copyright (C) 2020 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""
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Freeze kernel configs for a compatibility matrix release.
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"""
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import argparse
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import datetime
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import os
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import shutil
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import subprocess
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def check_call(*args, **kwargs):
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print(args[0])
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subprocess.check_call(*args, **kwargs)
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def replace_configs_module_name(new_release, file_path):
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check_call("sed -i'' -E 's/\"kernel_config_current_([0-9.]*)\"/\"kernel_config_{}_\\1\"/g' {}"
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.format(new_release, file_path), shell=True)
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class Freeze(object):
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def __init__(self, cmdline_args):
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top = os.environ["ANDROID_BUILD_TOP"]
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self.new_release = cmdline_args.name
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self.configs_dir = os.path.join(top, "kernel/configs")
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self.new_release_dir = os.path.join(self.configs_dir, self.new_release)
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self.interfaces_dir = os.path.join(top, "hardware/interfaces")
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self.versions = [e for e in os.listdir(self.configs_dir) if e.startswith("android-")]
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self.bugline = "Bug: {}\n".format(cmdline_args.bug) if cmdline_args.bug else ""
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def run(self):
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self.move_configs()
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self.freeze_configs_in_matrices()
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self.create_current()
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self.print_summary()
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def move_configs(self):
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os.makedirs(self.new_release_dir, exist_ok=False)
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for version in self.versions:
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src = os.path.join(self.configs_dir, version)
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dst = os.path.join(self.new_release_dir, version)
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shutil.move(src, dst)
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for file_name in os.listdir(dst):
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abs_path = os.path.join(dst, file_name)
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if not os.path.isfile(abs_path):
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continue
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year = datetime.datetime.now().year
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check_call("sed -i'' -E 's/Copyright \\(C\\) [0-9]{{4,}}/Copyright (C) {}/g' {}".format(year, abs_path), shell=True)
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replace_configs_module_name(self.new_release, abs_path)
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check_call('git -C {} add android-* {}'.format(self.configs_dir, self.new_release), shell=True)
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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)
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def freeze_configs_in_matrices(self):
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matrices_soong = "compatibility_matrices/Android.bp"
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matrices_soong_abs_path = os.path.join(self.interfaces_dir, matrices_soong)
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replace_configs_module_name(self.new_release, matrices_soong_abs_path)
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check_call('git -C {} add {}'.format(self.interfaces_dir, matrices_soong), shell=True)
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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)
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def create_current(self):
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check_call('git -C {} checkout HEAD~ -- android-*'.format(self.configs_dir), shell=True)
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check_call('git -C {} add android-*'.format(self.configs_dir), shell=True)
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check_call('git -C {} commit -m "Create kernel configs for current.\n\n{}Test: builds"'.format(self.configs_dir, self.bugline), shell=True)
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def print_summary(self):
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print("*** Please submit these changes to {} branch: ***".format(self.new_release))
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check_call('git -C {} show -s --format=%B HEAD~1'.format(self.configs_dir), shell=True)
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check_call('git -C {} show -s --format=%B HEAD'.format(self.interfaces_dir), shell=True)
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print("*** Please submit these changes to master branch: ***")
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check_call('git -C {} show -s --format=%B HEAD'.format(self.configs_dir), shell=True)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('name', type=str, help='name of the directory (e.g. r)')
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parser.add_argument('--bug', type=str, nargs='?', help='Bug number')
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cmdline_args = parser.parse_args()
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Freeze(cmdline_args).run()
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if __name__ == '__main__':
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main()
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