128 lines
4.1 KiB
Python
128 lines
4.1 KiB
Python
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#!/usr/bin/env python
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# Copyright (c) 2012 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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"""Generate a CL to roll Blink to the specified revision number and post
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it to Rietveld so that the CL will land automatically if it passes the
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commit-queue's checks.
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"""
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import logging
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import optparse
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import os
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import re
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import sys
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import find_depot_tools
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import scm
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import subprocess2
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def die_with_error(msg):
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print >> sys.stderr, msg
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sys.exit(1)
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def process_deps(path, new_rev, is_dry_run):
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"""Update webkit_revision to |new_issue|.
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A bit hacky, could it be made better?
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"""
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content = open(path).read()
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old_line = r'(\s+)"webkit_revision": "(\d+)",'
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new_line = r'\1"webkit_revision": "%d",' % new_rev
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new_content = re.sub(old_line, new_line, content, 1)
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old_rev = re.search(old_line, content).group(2)
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if not old_rev or new_content == content:
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die_with_error('Failed to update the DEPS file')
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if not is_dry_run:
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open(path, 'w').write(new_content)
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return old_rev
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def main():
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tool_dir = os.path.dirname(os.path.abspath(__file__))
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parser = optparse.OptionParser(usage='%prog [options] <new blink rev>')
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parser.add_option('-v', '--verbose', action='count', default=0)
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parser.add_option('--dry-run', action='store_true')
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parser.add_option('--commit', action='store_true', default=True,
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help='(default) Put change in commit queue on upload.')
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parser.add_option('--no-commit', action='store_false', dest='commit',
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help='Don\'t put change in commit queue on upload.')
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parser.add_option('-r', '--reviewers', default='',
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help='Add given users as either reviewers or TBR as'
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' appropriate.')
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parser.add_option('--upstream', default='origin/master',
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help='(default "%default") Use given start point for change'
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' to upload. For instance, if you use the old git workflow,'
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' you might set it to "origin/trunk".')
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parser.add_option('--cc', help='CC email addresses for issue.')
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options, args = parser.parse_args()
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logging.basicConfig(
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level=
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[logging.WARNING, logging.INFO, logging.DEBUG][
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min(2, options.verbose)])
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if len(args) != 1:
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parser.print_help()
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exit(0)
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root_dir = os.path.dirname(tool_dir)
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os.chdir(root_dir)
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new_rev = int(args[0])
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# Silence the editor.
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os.environ['EDITOR'] = 'true'
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old_branch = scm.GIT.GetBranch(root_dir)
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if old_branch == 'blink_roll':
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parser.error(
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'Please delete the branch blink_roll and move to a different branch')
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if not options.dry_run:
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subprocess2.check_output(
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['git', 'checkout', '-b', 'blink_roll', options.upstream])
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try:
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old_rev = int(process_deps(os.path.join(root_dir, 'DEPS'), new_rev,
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options.dry_run))
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print 'Blink roll %s:%s' % (old_rev, new_rev)
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review_field = 'TBR' if options.commit else 'R'
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commit_msg = ('Blink roll %s:%s\n'
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'\n'
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'http://build.chromium.org/f/chromium/perf/dashboard/ui/'
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'changelog_blink.html?url=/trunk&range=%s:%s&mode=html'
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'\n'
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'%s=%s\n' % (old_rev, new_rev,
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old_rev+1, new_rev,
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review_field,
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options.reviewers))
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if options.dry_run:
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print 'Commit message: ' + commit_msg
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return 0
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subprocess2.check_output(['git', 'commit', '-m', commit_msg, 'DEPS'])
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subprocess2.check_call(['git', 'diff', options.upstream])
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upload_cmd = ['git', 'cl', 'upload']
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if options.commit:
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upload_cmd.append('--use-commit-queue')
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if options.reviewers:
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upload_cmd.append('--send-mail')
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if options.cc:
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upload_cmd.extend(['--cc', options.cc])
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subprocess2.check_call(upload_cmd)
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finally:
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if not options.dry_run:
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subprocess2.check_output(['git', 'checkout', old_branch])
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subprocess2.check_output(['git', 'branch', '-D', 'blink_roll'])
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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