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#!/usr/bin/env vpython3
# Copyright (c) 2020 The WebRTC 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.
"""Script to auto-update the WebRTC source version in call/version.cc"""
import argparse
import datetime
import logging
import os
import re
import subprocess
import sys
def FindSrcDirPath():
"""Returns the abs path to the src/ dir of the project."""
src_dir = os.path.dirname(os.path.abspath(__file__))
while os.path.basename(src_dir) != 'src':
src_dir = os.path.normpath(os.path.join(src_dir, os.pardir))
return src_dir
UPDATE_BRANCH_NAME = 'webrtc_version_update'
CHECKOUT_SRC_DIR = FindSrcDirPath()
NOTIFY_EMAIL = 'webrtc-trooper@webrtc.org'
def _RemovePreviousUpdateBranch():
active_branch, branches = _GetBranches()
if active_branch == UPDATE_BRANCH_NAME:
active_branch = 'main'
if UPDATE_BRANCH_NAME in branches:
logging.info('Removing previous update branch (%s)', UPDATE_BRANCH_NAME)
subprocess.check_call(['git', 'checkout', active_branch])
subprocess.check_call(['git', 'branch', '-D', UPDATE_BRANCH_NAME])
logging.info('No branch to remove')
def _GetLastAuthor():
"""Returns a string with the author of the last commit."""
author = subprocess.check_output(
['git', 'log', '-1', '--pretty=format:"%an"'],
universal_newlines=True).splitlines()
return author
def _GetBranches():
"""Returns a tuple (active, branches).
'active' is a string with name of the currently active branch, while
'branches' is the list of all branches.
"""
lines = subprocess.check_output(['git', 'branch'],
universal_newlines=True).splitlines()
branches = []
active = ''
for line in lines:
if '*' in line:
# The assumption is that the first char will always be the '*'.
active = line[1:].strip()
branches.append(active)
else:
branch = line.strip()
if branch:
branches.append(branch)
return active, branches
def _CreateUpdateBranch():
logging.info('Creating update branch: %s', UPDATE_BRANCH_NAME)
subprocess.check_call(['git', 'checkout', '-b', UPDATE_BRANCH_NAME])
def _UpdateWebRTCVersion(filename):
with open(filename, 'rb') as f:
content = f.read().decode('utf-8')
d = datetime.datetime.utcnow()
# pylint: disable=line-too-long
new_content = re.sub(
r'WebRTC source stamp [0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}',
r'WebRTC source stamp %02d-%02d-%02dT%02d:%02d:%02d' %
(d.year, d.month, d.day, d.hour, d.minute, d.second),
content,
flags=re.MULTILINE)
# pylint: enable=line-too-long
with open(filename, 'wb') as f:
f.write(new_content.encode('utf-8'))
def _IsTreeClean():
stdout = subprocess.check_output(['git', 'status', '--porcelain'],
universal_newlines=True)
if len(stdout) == 0:
return True
return False
def _LocalCommit():
logging.info('Committing changes locally.')
d = datetime.datetime.utcnow()
commit_msg = ('Update WebRTC code version (%02d-%02d-%02dT%02d:%02d:%02d).'
'\n\nBug: None')
commit_msg = commit_msg % (d.year, d.month, d.day, d.hour, d.minute, d.second)
subprocess.check_call(['git', 'add', '--update', '.'])
subprocess.check_call(['git', 'commit', '-m', commit_msg])
def _UploadCL(commit_queue_mode):
"""Upload the committed changes as a changelist to Gerrit.
commit_queue_mode:
- 2: Submit to commit queue.
- 1: Run trybots but do not submit to CQ.
- 0: Skip CQ, upload only.
"""
cmd = [
'git', 'cl', 'upload', '--force', '--bypass-hooks', '--bypass-watchlist'
]
if commit_queue_mode >= 2:
logging.info('Sending the CL to the CQ...')
cmd.extend(['-o', 'label=Bot-Commit+1'])
cmd.extend(['-o', 'label=Commit-Queue+2'])
cmd.extend(['--send-mail', '--cc', NOTIFY_EMAIL])
elif commit_queue_mode >= 1:
logging.info('Starting CQ dry run...')
cmd.extend(['-o', 'label=Commit-Queue+1'])
subprocess.check_call(cmd)
def main():
logging.basicConfig(level=logging.INFO)
p = argparse.ArgumentParser()
p.add_argument('--clean',
action='store_true',
default=False,
help='Removes any previous local update branch.')
opts = p.parse_args()
if opts.clean:
_RemovePreviousUpdateBranch()
if _GetLastAuthor() == 'webrtc-version-updater':
logging.info('Last commit is a version change, skipping CL.')
return 0
version_filename = os.path.join(CHECKOUT_SRC_DIR, 'call', 'version.cc')
_CreateUpdateBranch()
_UpdateWebRTCVersion(version_filename)
if _IsTreeClean():
logging.info('No WebRTC version change detected, skipping CL.')
else:
_LocalCommit()
logging.info('Uploading CL...')
_UploadCL(2)
return 0
if __name__ == '__main__':
sys.exit(main())
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