| #!/usr/bin/env python2 |
| # -*- coding: utf-8 -*- |
| # Copyright 2018 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Chrome bisector to bisect a range of chrome commits. |
| |
| This bisector bisects commits between branched chrome and releases. |
| """ |
| from __future__ import print_function |
| import logging |
| import os |
| |
| from bisect_kit import cli |
| from bisect_kit import codechange |
| from bisect_kit import configure |
| from bisect_kit import core |
| from bisect_kit import cros_util |
| from bisect_kit import cr_util |
| from bisect_kit import gclient_util |
| from bisect_kit import util |
| |
| logger = logging.getLogger(__name__) |
| |
| |
| def guess_chrome_version(opts, rev): |
| if cros_util.is_cros_version(rev): |
| assert opts.board, 'need to specify BOARD for cros version' |
| chrome_version = cros_util.query_chrome_version(opts.board, rev) |
| assert cr_util.is_chrome_version(chrome_version) |
| logger.info('Converted given CrOS version %s to Chrome version %s', rev, |
| chrome_version) |
| rev = chrome_version |
| |
| return rev |
| |
| |
| class ChromeSrcDomain(core.BisectDomain): |
| """BisectDomain for Chrome branched tree""" |
| revtype = staticmethod( |
| cli.argtype_multiplexer(cr_util.argtype_chrome_version, |
| cros_util.argtype_cros_version)) |
| intra_revtype = staticmethod( |
| codechange.argtype_intra_rev(cr_util.argtype_chrome_version)) |
| help = globals()['__doc__'] |
| |
| @staticmethod |
| def add_init_arguments(parser): |
| parser.add_argument( |
| '--chrome_root', |
| required=True, |
| metavar='CHROME_ROOT', |
| type=cli.argtype_dir_path, |
| default=configure.get('CHROME_ROOT'), |
| help='Root of chrome source tree, like ~/chromium') |
| parser.add_argument( |
| '--chrome_mirror', |
| required=True, |
| metavar='CHROME_MIRROR', |
| type=cli.argtype_dir_path, |
| default=configure.get('CHROME_MIRROR'), |
| help='gclient cache dir') |
| |
| # Only used for Chrome on ChromeOS. |
| parser.add_argument( |
| '--dut', |
| type=cli.argtype_notempty, |
| metavar='DUT', |
| default=configure.get('DUT'), |
| help='For ChromeOS, address of DUT (Device Under Test)') |
| parser.add_argument( |
| '--board', |
| metavar='BOARD', |
| default=configure.get('BOARD'), |
| help='For ChromeOS, board name') |
| |
| @staticmethod |
| def init(opts): |
| chrome_src = os.path.join(opts.chrome_root, 'src') |
| if not os.path.exists(chrome_src): |
| raise core.ExecutionFatalError("chrome src directory doesn't exist") |
| |
| if opts.dut: |
| assert cros_util.is_dut(opts.dut) |
| if not opts.board: |
| opts.board = cros_util.query_dut_board(opts.dut) |
| |
| old = guess_chrome_version(opts, opts.old) |
| new = guess_chrome_version(opts, opts.new) |
| assert old != new |
| |
| if not util.is_version_lesseq(old, new): |
| logger.error('old=%s is newer than new=%s !?', old, new) |
| raise Exception |
| |
| config = dict( |
| chrome_root=opts.chrome_root, |
| old=old, |
| new=new, |
| board=opts.board, |
| dut=opts.dut, |
| chrome_mirror=opts.chrome_mirror) |
| |
| spec_manager = cr_util.ChromeSpecManager(config) |
| cache = gclient_util.GclientCache(opts.chrome_mirror) |
| |
| # Initial sync to get all buildspecs. |
| release_deps_file = cr_util.ChromeSpecManager.get_release_deps(new) |
| path = os.path.join(opts.chrome_root, 'buildspec', release_deps_file) |
| if not os.path.exists(path): |
| spec_manager.sync_to_release(new) |
| |
| for rev in (old, new): |
| release_deps_file = cr_util.ChromeSpecManager.get_release_deps(rev) |
| path = os.path.join(opts.chrome_root, 'buildspec', release_deps_file) |
| if not os.path.exists(path): |
| raise Exception("%s doesn't exist" % path) |
| |
| if not util.is_direct_relative_version(old, new): |
| logger.warning('old=%s is not parent of new=%s', old, new) |
| old_ancestor = spec_manager.enumerate_ancestor(old) |
| new_ancestor = spec_manager.enumerate_ancestor(new) |
| for rev in reversed(old_ancestor): |
| if rev in new_ancestor: |
| lowest_common_ancestor = rev |
| break |
| else: |
| raise Exception('Unable to find their common ancestor') |
| logger.warning( |
| 'Assume their lowest common ancestor, %s,' |
| 'still have expected old behavior as %s', lowest_common_ancestor, old) |
| config['old'] = old = lowest_common_ancestor |
| |
| # TODO(kcwu): verify full git history is available. |
| code_manager = codechange.CodeManager(opts.chrome_root, spec_manager, cache) |
| revlist = code_manager.build_revlist(old, new) |
| |
| return config, revlist |
| |
| def __init__(self, config): |
| self.config = config |
| |
| def setenv(self, env, rev): |
| env['CHROME_ROOT'] = self.config['chrome_root'] |
| env['CHROME_MIRROR'] = self.config['chrome_mirror'] |
| env['REV'] = rev |
| |
| if self.config['board']: |
| env['BOARD'] = self.config['board'] |
| if self.config['dut']: |
| env['DUT'] = self.config['dut'] |
| |
| def view(self, old, new): |
| print('old', old) |
| print('new', new) |
| |
| old_base, old_next, _ = codechange.parse_intra_rev(old) |
| new_base, new_next, _ = codechange.parse_intra_rev(new) |
| # Only print log url if the range is within two releases. |
| if old_next in (new_base, new_next): |
| log_url = ('https://chromium.googlesource.com/chromium/src/+log/%s..%s' |
| '?pretty=fuller&n=10000') |
| print('Be careful the following url only lists chrome src/ commits. For ' |
| 'example, commits inside v8 and third party repos are not listed.') |
| if old_base != old_next: |
| print(log_url % (old_base, old_next)) |
| if new_base != new_next and old_next != new_next: |
| print(log_url % (new_base, new_next)) |
| |
| cache = gclient_util.GclientCache(self.config['chrome_mirror']) |
| spec_manager = cr_util.ChromeSpecManager(self.config) |
| code_manager = codechange.CodeManager(self.config['chrome_root'], |
| spec_manager, cache) |
| code_manager.view_rev_diff(old, new) |
| |
| |
| if __name__ == '__main__': |
| cli.BisectorCommandLine(ChromeSrcDomain).main() |