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R=aravindvasudev@google.com, gavinmak@google.com Change-Id: Iaa5e960c6226dea3a0814c7cb778d952eafb1502 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3525960 Reviewed-by: Gavin Mak <gavinmak@google.com> Reviewed-by: Aravind Vasudevan <aravindvasudev@google.com> Commit-Queue: Josip Sokcevic <sokcevic@google.com>
68 lines
1.9 KiB
Python
Executable File
68 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Usage: %prog <commit>*
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Given a commit, finds the release where it first appeared (e.g. 47.0.2500.0) as
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well as attempting to determine the branches to which it was merged.
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Note that it uses the "cherry picked from" annotation to find merges, so it will
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only work on merges that followed the "use cherry-pick -x" instructions.
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"""
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from __future__ import print_function
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import optparse
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import re
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import sys
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import git_common as git
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def GetNameForCommit(sha1):
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name = re.sub(r'~.*$', '', git.run('name-rev', '--tags', '--name-only', sha1))
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if name == 'undefined':
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name = git.run(
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'name-rev', '--refs', 'remotes/branch-heads/*', '--name-only',
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sha1) + ' [untagged]'
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return name
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def GetMergesForCommit(sha1):
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return [c.split()[0] for c in
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git.run('log', '--oneline', '-F', '--all', '--no-abbrev', '--grep',
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'cherry picked from commit %s' % sha1).splitlines()]
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def main(args):
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parser = optparse.OptionParser(usage=sys.modules[__name__].__doc__)
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_, args = parser.parse_args(args)
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if len(args) == 0:
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parser.error('Need at least one commit.')
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for arg in args:
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commit_name = GetNameForCommit(arg)
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if not commit_name:
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print('%s not found' % arg)
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return 1
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print('commit %s was:' % arg)
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print(' initially in ' + commit_name)
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merges = GetMergesForCommit(arg)
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for merge in merges:
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print(' merged to ' + GetNameForCommit(merge) + ' (as ' + merge + ')')
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if not merges:
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print('No merges found. If this seems wrong, be sure that you did:')
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print(' git fetch origin && gclient sync --with_branch_heads')
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return 0
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if __name__ == '__main__':
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try:
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sys.exit(main(sys.argv[1:]))
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except KeyboardInterrupt:
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sys.stderr.write('interrupted\n')
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sys.exit(1)
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