scripts/deps/roll_deps.py

#!/usr/bin/env vpython
#
# Copyright 2019 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.
"""
Update manually maintained dependencies from Chromium.
"""

import argparse
import os
import shutil
import subprocess
import sys

# Files whose location within devtools-frontend matches the upstream location.
FILES = [
    'v8/include/js_protocol.pdl',
    'third_party/blink/renderer/core/css/css_properties.json5',
    'third_party/blink/renderer/core/html/aria_properties.json5',
    'third_party/blink/public/devtools_protocol/browser_protocol.pdl',
]

# Files whose location within devtools-frontend differs from the upstream location.
FILE_MAPPINGS = {
    # chromium_path => devtools_frontend_path
    'components/variations/proto/devtools/client_variations.js':
    'front_end/third_party/chromium/client-variations/ClientVariations.js',
    'third_party/axe-core/axe.d.ts': 'front_end/third_party/axe-core/axe.d.ts',
    'third_party/axe-core/axe.js': 'front_end/third_party/axe-core/axe.js',
    'third_party/axe-core/axe.min.js':
    'front_end/third_party/axe-core/axe.min.js',
    'third_party/axe-core/LICENSE': 'front_end/third_party/axe-core/LICENSE',
}

for f in FILES:
    FILE_MAPPINGS[f] = f


def parse_options(cli_args):
    parser = argparse.ArgumentParser(description='Roll dependencies from Chromium.')
    parser.add_argument('chromium_dir', help='path to chromium/src directory')
    parser.add_argument('devtools_dir',
                        help='path to devtools/devtools-frontend directory')
    return parser.parse_args(cli_args)

def update(options):
    subprocess.check_call(['git', 'fetch', 'origin'], cwd=options.chromium_dir)
    subprocess.check_call(['git', 'checkout', 'origin/master'], cwd=options.chromium_dir)
    subprocess.check_call(['gclient', 'sync'], cwd=options.chromium_dir)

def copy_files(options):
    for from_path, to_path in FILE_MAPPINGS.items():
        from_path = os.path.normpath(from_path)
        to_path = os.path.normpath(to_path)
        print('%s => %s' % (from_path, to_path))
        shutil.copy(os.path.join(options.chromium_dir, from_path),
                    os.path.join(options.devtools_dir, to_path))


if __name__ == '__main__':
    OPTIONS = parse_options(sys.argv[1:])
    update(OPTIONS)
    copy_files(OPTIONS)