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#!/usr/bin/env python
# Copyright (c) 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This script takes a Clang revision as an argument, it then
creates a feature branch, puts this revision into update.py, uploads
a CL, triggers Clang Upload try bots, and tells what to do next"""
import argparse
import fnmatch
import itertools
import os
import re
import shutil
import subprocess
import sys
# Path constants.
THIS_DIR = os.path.dirname(__file__)
UPDATE_PY_PATH = os.path.join(THIS_DIR, "update.py")
CHROMIUM_DIR = os.path.abspath(os.path.join(THIS_DIR, '..', '..', '..'))
is_win = sys.platform.startswith('win32')
def PatchRevision(clang_revision, clang_sub_revision):
with open(UPDATE_PY_PATH, 'rb') as f:
content = f.read()
m = re.search("CLANG_REVISION = '([0-9]+)'", content)
clang_old_revision = m.group(1)
content = re.sub("CLANG_REVISION = '[0-9]+'",
"CLANG_REVISION = '{}'".format(clang_revision),
content, count=1)
content = re.sub("CLANG_SUB_REVISION=[0-9]+",
"CLANG_SUB_REVISION={}".format(clang_sub_revision),
content, count=1)
with open(UPDATE_PY_PATH, 'wb') as f:
f.write(content)
return clang_old_revision
def Git(args):
# Needs shell=True on Windows due to git.bat in depot_tools.
subprocess.check_call(["git"] + args, shell=is_win)
def main():
parser = argparse.ArgumentParser(description='upload new clang revision')
parser.add_argument('clang_revision', metavar='CLANG_REVISION',
type=int, nargs=1,
help='Clang revision to build the toolchain for.')
parser.add_argument('clang_sub_revision', metavar='CLANG_SUB_REVISION',
type=int, nargs='?', default=1,
help='Clang sub-revision to build the toolchain for.')
args = parser.parse_args()
clang_revision = args.clang_revision[0]
clang_sub_revision = args.clang_sub_revision
# Needs shell=True on Windows due to git.bat in depot_tools.
git_revision = subprocess.check_output(
["git", "rev-parse", "origin/master"], shell=is_win).strip()
print "Making a patch for Clang revision r{}-{}".format(
clang_revision, clang_sub_revision)
print "Chrome revision: {}".format(git_revision)
clang_old_revision = PatchRevision(clang_revision, clang_sub_revision)
Git(["checkout", "-b", "clang-{}-{}".format(
clang_revision, clang_sub_revision)])
Git(["add", UPDATE_PY_PATH])
commit_message = 'Ran `{}`.'.format(' '.join(sys.argv))
Git(["commit", "-m", "Roll clang {}:{}.\n\n{}".format(
clang_old_revision, clang_revision, commit_message)])
Git(["cl", "upload"])
Git(["cl", "try", "-b", "linux_upload_clang", "-r", git_revision])
Git(["cl", "try", "-b", "mac_upload_clang", "-r", git_revision])
Git(["cl", "try", "-b", "win_upload_clang", "-r", git_revision])
print ("Please, wait until the try bots succeeded "
"and then push the binaries to goma.")
if __name__ == '__main__':
sys.exit(main())
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