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#!/usr/bin/env python
# Copyright (c) 2017 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.
README = """
Automatically add a specific legacy flag to multiple Skia client repos.
This would only work on Google desktop.
Example usage:
$ python add_legacy_flag.py SK_SUPPORT_LEGACY_SOMETHING \\
-a /data/android -c ~/chromium/src -g legacyflag
If you only need to add the flag to one repo, for example, Android, please give
only -a (--android-dir) argument:
$ python add_legacy_flag.py SK_SUPPORT_LEGACY_SOMETHING -a /data/android
"""
import os, sys
import argparse
import subprocess
import getpass
from random import randint
ANDROID_TOOLS_DIR = os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
'android')
def toggle_android(args):
sys.path.append(ANDROID_TOOLS_DIR)
import upload_to_android
modifier = upload_to_android.AndroidLegacyFlagModifier(args.flag)
upload_to_android.upload_to_android(args.android_dir, modifier)
def toggle_chromium(args):
os.chdir(args.chromium_dir)
branch = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD'])
branch = branch.strip()
EXPECTED_STASH_OUT = "No local changes to save"
stash_output = subprocess.check_output(['git', 'stash']).strip()
if branch != "master" or stash_output != EXPECTED_STASH_OUT:
print ("Please checkout a clean master branch at your chromium repo (%s) "
"before running this script") % args.chromium_dir
if stash_output != EXPECTED_STASH_OUT:
subprocess.check_call(['git', 'stash', 'pop'])
exit(1)
# Update the repository to avoid conflicts
subprocess.check_call(['git', 'pull'])
subprocess.check_call(['gclient', 'sync']);
# Use random number to avoid branch name collision.
# We'll delete the branch in the end.
random = randint(1, 10000)
subprocess.check_call(['git', 'checkout', '-b', 'legacyflag_%d' % random])
try:
config_file = os.path.join('skia', 'config', 'SkUserConfig.h')
with open(config_file) as f:
lines = f.readlines()
flag_line = "#define %s\n" % args.flag
if flag_line in lines:
index = lines.index(flag_line)
del lines[index-1 : index +2]
verb = "Remove"
else:
separator = (
"/////////////////////////"
" Imported from BUILD.gn and skia_common.gypi\n")
content = ("#ifndef {0}\n"
"#define {0}\n"
"#endif\n\n").format(args.flag)
lines.insert(lines.index(separator), content)
verb = "Add"
with open(config_file, 'w') as f:
for line in lines:
f.write(line)
message = "%s %s" % (verb, args.flag)
subprocess.check_call('git commit -a -m "%s"' % message, shell=True)
subprocess.check_call('git cl upload -m "%s" -f' % message,
shell=True)
finally:
subprocess.check_call(['git', 'checkout', 'master'])
subprocess.check_call(['git', 'branch', '-D', 'legacyflag_%d' % random])
def toggle_google3(args):
G3_SCRIPT_DIR = os.path.expanduser("~/skia-g3/scripts")
if not os.path.isdir(G3_SCRIPT_DIR):
print ("Google3 directory unavailable.\n"
"Please see "
"https://sites.google.com/a/google.com/skia/rebaseline#g3_flag "
"for Google3 setup.")
exit(1)
sys.path.append(G3_SCRIPT_DIR)
import citc_flag
citc_flag.toggle_google3(args.google3, args.flag)
def main():
if len(sys.argv) <= 1 or sys.argv[1] == '-h' or sys.argv[1] == '--help':
print README
parser = argparse.ArgumentParser()
parser.add_argument(
'--android-dir', '-a', required=False,
help='Directory where an Android checkout will be created (if it does '
'not already exist). Note: ~1GB space will be used.')
parser.add_argument(
'--chromium-dir', '-c', required=False,
help='Directory of an EXISTING Chromium checkout (e.g., ~/chromium/src)')
parser.add_argument(
'--google3', '-g', required=False,
help='Google3 workspace to be created (if it does not already exist).')
parser.add_argument('flag', type=str, help='legacy flag name')
args = parser.parse_args()
if not args.android_dir and not args.chromium_dir and not args.google3:
print """
Nothing to do. Please give me at least one of these three arguments:
-a (--android-dir)
-c (--chromium-dir)
-g (--google3)
"""
exit(1)
end_message = "CLs generated. Now go review and land them:\n"
if args.chromium_dir:
args.chromium_dir = os.path.expanduser(args.chromium_dir)
toggle_chromium(args)
end_message += " * https://chromium-review.googlesource.com\n"
if args.google3:
toggle_google3(args)
end_message += " * http://goto.google.com/cl\n"
if args.android_dir:
args.android_dir = os.path.expanduser(args.android_dir)
toggle_android(args)
end_message += " * http://goto.google.com/androidcl\n"
print end_message
if __name__ == '__main__':
main()
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