diff options
Diffstat (limited to 'sync_chromium.py')
-rwxr-xr-x | sync_chromium.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sync_chromium.py b/sync_chromium.py new file mode 100755 index 0000000..65353c3 --- /dev/null +++ b/sync_chromium.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python +# Copyright 2014 The LibYuv Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style license +# that can be found in the LICENSE file in the root of the source +# tree. An additional intellectual property rights grant can be found +# in the file PATENTS. All contributing project authors may +# be found in the AUTHORS file in the root of the source tree. + +import argparse +import os +import subprocess +import sys + +# Bump this whenever the algorithm changes and you need bots/devs to re-sync, +# ignoring the .last_sync_chromium file +SCRIPT_VERSION = 1 + +ROOT_DIR = os.path.dirname(os.path.abspath(__file__)) + + +def get_target_os_list(): + try: + main_gclient = os.path.join(os.path.dirname(ROOT_DIR), '.gclient') + config_dict = {} + with open(main_gclient, 'rb') as deps_content: + exec(deps_content, config_dict) + return ','.join(config_dict.get('target_os', [])) + except Exception as e: + print >> sys.stderr, "error while parsing .gclient:", e + + +def main(): + CR_DIR = os.path.join(ROOT_DIR, 'chromium') + + p = argparse.ArgumentParser() + p.add_argument('--target-revision', required=True, + help='The target chromium git revision [REQUIRED]') + p.add_argument('--chromium-dir', default=CR_DIR, + help=('The path to the chromium directory to sync ' + '(default: %(default)r)')) + opts = p.parse_args() + opts.chromium_dir = os.path.abspath(opts.chromium_dir) + + target_os_list = get_target_os_list() + + # Do a quick check to see if we were successful last time to make runhooks + # sooper fast. + flag_file = os.path.join(opts.chromium_dir, '.last_sync_chromium') + flag_file_content = '\n'.join([ + str(SCRIPT_VERSION), + opts.target_revision, + repr(target_os_list), + ]) + if os.path.exists(flag_file): + with open(flag_file, 'r') as f: + if f.read() == flag_file_content: + print "Chromium already up to date:", opts.target_revision + return 0 + os.unlink(flag_file) + + # To avoid gclient sync problems when DEPS entries have been removed we must + # wipe the .gclient_entries file that contains cached URLs for all DEPS. + entries_file = os.path.join(opts.chromium_dir, '.gclient_entries') + if os.path.exists(entries_file): + os.unlink(entries_file) + + env = os.environ.copy() + env['GYP_CHROMIUM_NO_ACTION'] = '1' + gclient_cmd = 'gclient.bat' if sys.platform.startswith('win') else 'gclient' + args = [ + gclient_cmd, 'sync', '--force', '--revision', 'src@'+opts.target_revision + ] + + if os.environ.get('CHROME_HEADLESS') == '1': + args.append('-vvv') + + if sys.platform.startswith('win'): + cache_path = os.path.join(os.path.splitdrive(ROOT_DIR)[0] + os.path.sep, + 'b', 'git-cache') + else: + cache_path = '/b/git-cache' + + gclientfile = os.path.join(opts.chromium_dir, '.gclient') + with open(gclientfile, 'rb') as spec: + spec = spec.read().splitlines() + spec[-1] = 'cache_dir = %r' % (cache_path,) + with open(gclientfile + '.bot', 'wb') as f: + f.write('\n'.join(spec)) + + args += [ + '--gclientfile', '.gclient.bot', + '--delete_unversioned_trees', '--reset', '--upstream' + ] + else: + args.append('--no-history') + + if target_os_list: + args += ['--deps=' + target_os_list] + + print 'Running "%s" in %s' % (' '.join(args), opts.chromium_dir) + ret = subprocess.call(args, cwd=opts.chromium_dir, env=env) + if ret == 0: + with open(flag_file, 'wb') as f: + f.write(flag_file_content) + + return ret + + +if __name__ == '__main__': + sys.exit(main()) |