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247 lines
9.9 KiB
247 lines
9.9 KiB
#! /usr/bin/env nix-shell
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#! nix-shell -i python -p python3 nix nix-prefetch-git
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"""This script automatically updates chromium, google-chrome, chromedriver, and ungoogled-chromium
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via upstream-info.json."""
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# Usage: ./update.py [--commit]
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import base64
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import csv
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import json
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import re
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import subprocess
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import sys
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from codecs import iterdecode
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from collections import OrderedDict
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from datetime import datetime
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from distutils.version import LooseVersion
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from os.path import abspath, dirname
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from urllib.request import urlopen
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HISTORY_URL = 'https://omahaproxy.appspot.com/history?os=linux'
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DEB_URL = 'https://dl.google.com/linux/chrome/deb/pool/main/g'
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BUCKET_URL = 'https://commondatastorage.googleapis.com/chromium-browser-official'
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JSON_PATH = dirname(abspath(__file__)) + '/upstream-info.json'
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UNGOOGLED_FLAGS_PATH = dirname(abspath(__file__)) + '/ungoogled-flags.toml'
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COMMIT_MESSAGE_SCRIPT = dirname(abspath(__file__)) + '/get-commit-message.py'
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def load_json(path):
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"""Loads the given JSON file."""
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with open(path, 'r') as f:
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return json.load(f)
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def nix_prefetch_url(url, algo='sha256'):
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"""Prefetches the content of the given URL."""
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print(f'nix-prefetch-url {url}')
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out = subprocess.check_output(['nix-prefetch-url', '--type', algo, url])
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return out.decode('utf-8').rstrip()
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def nix_prefetch_git(url, rev):
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"""Prefetches the requested Git revision of the given repository URL."""
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print(f'nix-prefetch-git {url} {rev}')
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out = subprocess.check_output(['nix-prefetch-git', '--quiet', '--url', url, '--rev', rev])
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return json.loads(out)
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def get_file_revision(revision, file_path):
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"""Fetches the requested Git revision of the given Chromium file."""
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url = f'https://chromium.googlesource.com/chromium/src/+/refs/tags/{revision}/{file_path}?format=TEXT'
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with urlopen(url) as http_response:
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resp = http_response.read()
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return base64.b64decode(resp)
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def get_matching_chromedriver(version):
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"""Gets the matching chromedriver version for the given Chromium version."""
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# See https://chromedriver.chromium.org/downloads/version-selection
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build = re.sub('.[0-9]+$', '', version)
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chromedriver_version_url = f'https://chromedriver.storage.googleapis.com/LATEST_RELEASE_{build}'
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with urlopen(chromedriver_version_url) as http_response:
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chromedriver_version = http_response.read().decode()
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def get_chromedriver_url(system):
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return ('https://chromedriver.storage.googleapis.com/' +
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f'{chromedriver_version}/chromedriver_{system}.zip')
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return {
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'version': chromedriver_version,
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'sha256_linux': nix_prefetch_url(get_chromedriver_url('linux64')),
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'sha256_darwin': nix_prefetch_url(get_chromedriver_url('mac64')),
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'sha256_darwin_aarch64': nix_prefetch_url(get_chromedriver_url('mac64_m1'))
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}
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def get_channel_dependencies(version):
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"""Gets all dependencies for the given Chromium version."""
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deps = get_file_revision(version, 'DEPS')
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gn_pattern = b"'gn_version': 'git_revision:([0-9a-f]{40})'"
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gn_commit = re.search(gn_pattern, deps).group(1).decode()
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gn = nix_prefetch_git('https://gn.googlesource.com/gn', gn_commit)
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return {
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'gn': {
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'version': datetime.fromisoformat(gn['date']).date().isoformat(),
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'url': gn['url'],
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'rev': gn['rev'],
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'sha256': gn['sha256']
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}
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}
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def get_latest_ungoogled_chromium_tag():
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"""Returns the latest ungoogled-chromium tag using the GitHub API."""
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api_tag_url = 'https://api.github.com/repos/Eloston/ungoogled-chromium/tags?per_page=1'
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with urlopen(api_tag_url) as http_response:
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tag_data = json.load(http_response)
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return tag_data[0]['name']
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def get_latest_ungoogled_chromium_build():
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"""Returns a dictionary for the latest ungoogled-chromium build."""
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tag = get_latest_ungoogled_chromium_tag()
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version = tag.split('-')[0]
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return {
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'channel': 'ungoogled-chromium',
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'version': version,
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'ungoogled_tag': tag
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}
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def get_ungoogled_chromium_gn_flags(revision):
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"""Returns ungoogled-chromium's GN build flags for the given revision."""
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gn_flags_url = f'https://raw.githubusercontent.com/Eloston/ungoogled-chromium/{revision}/flags.gn'
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return urlopen(gn_flags_url).read().decode()
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def channel_name_to_attr_name(channel_name):
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"""Maps a channel name to the corresponding main Nixpkgs attribute name."""
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if channel_name == 'stable':
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return 'chromium'
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if channel_name == 'beta':
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return 'chromiumBeta'
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if channel_name == 'dev':
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return 'chromiumDev'
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if channel_name == 'ungoogled-chromium':
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return 'ungoogled-chromium'
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print(f'Error: Unexpected channel: {channel_name}', file=sys.stderr)
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sys.exit(1)
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def get_channel_key(item):
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"""Orders Chromium channels by their name."""
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channel_name = item[0]
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if channel_name == 'stable':
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return 0
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if channel_name == 'beta':
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return 1
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if channel_name == 'dev':
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return 2
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if channel_name == 'ungoogled-chromium':
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return 3
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print(f'Error: Unexpected channel: {channel_name}', file=sys.stderr)
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sys.exit(1)
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def print_updates(channels_old, channels_new):
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"""Print a summary of the updates."""
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print('Updates:')
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for channel_name in channels_old:
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version_old = channels_old[channel_name]["version"]
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version_new = channels_new[channel_name]["version"]
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if LooseVersion(version_old) < LooseVersion(version_new):
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attr_name = channel_name_to_attr_name(channel_name)
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print(f'- {attr_name}: {version_old} -> {version_new}')
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channels = {}
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last_channels = load_json(JSON_PATH)
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print(f'GET {HISTORY_URL}', file=sys.stderr)
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with urlopen(HISTORY_URL) as resp:
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builds = csv.DictReader(iterdecode(resp, 'utf-8'))
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builds = list(builds)
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builds.append(get_latest_ungoogled_chromium_build())
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for build in builds:
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channel_name = build['channel']
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# If we've already found a newer build for this channel, we're
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# no longer interested in it.
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if channel_name in channels:
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continue
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# If we're back at the last build we used, we don't need to
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# keep going -- there's no new version available, and we can
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# just reuse the info from last time.
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if build['version'] == last_channels[channel_name]['version']:
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channels[channel_name] = last_channels[channel_name]
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continue
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channel = {'version': build['version']}
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if channel_name == 'dev':
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google_chrome_suffix = 'unstable'
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elif channel_name == 'ungoogled-chromium':
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google_chrome_suffix = 'stable'
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else:
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google_chrome_suffix = channel_name
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try:
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channel['sha256'] = nix_prefetch_url(f'{BUCKET_URL}/chromium-{build["version"]}.tar.xz')
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channel['sha256bin64'] = nix_prefetch_url(
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f'{DEB_URL}/google-chrome-{google_chrome_suffix}/' +
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f'google-chrome-{google_chrome_suffix}_{build["version"]}-1_amd64.deb')
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except subprocess.CalledProcessError:
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if (channel_name == 'ungoogled-chromium' and 'sha256' in channel and
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build['version'].split('.')[0] == last_channels['stable']['version'].split('.')[0]):
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# Sometimes ungoogled-chromium is updated to a newer tag than
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# the latest stable Chromium version. In this case we'll set
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# sha256bin64 to null and the Nixpkgs code will fall back to
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# the latest stable Google Chrome (only required for
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# Widevine/DRM which is disabled by default):
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channel['sha256bin64'] = None
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else:
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# This build isn't actually available yet. Continue to
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# the next one.
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continue
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channel['deps'] = get_channel_dependencies(channel['version'])
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if channel_name == 'stable':
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channel['chromedriver'] = get_matching_chromedriver(channel['version'])
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elif channel_name == 'ungoogled-chromium':
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ungoogled_repo_url = 'https://github.com/Eloston/ungoogled-chromium.git'
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channel['deps']['ungoogled-patches'] = {
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'rev': build['ungoogled_tag'],
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'sha256': nix_prefetch_git(ungoogled_repo_url, build['ungoogled_tag'])['sha256']
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}
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with open(UNGOOGLED_FLAGS_PATH, 'w') as out:
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out.write(get_ungoogled_chromium_gn_flags(build['ungoogled_tag']))
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channels[channel_name] = channel
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sorted_channels = OrderedDict(sorted(channels.items(), key=get_channel_key))
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if len(sys.argv) == 2 and sys.argv[1] == '--commit':
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for channel_name in sorted_channels.keys():
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version_old = last_channels[channel_name]['version']
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version_new = sorted_channels[channel_name]['version']
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if LooseVersion(version_old) < LooseVersion(version_new):
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last_channels[channel_name] = sorted_channels[channel_name]
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with open(JSON_PATH, 'w') as out:
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json.dump(last_channels, out, indent=2)
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out.write('\n')
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attr_name = channel_name_to_attr_name(channel_name)
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commit_message = f'{attr_name}: {version_old} -> {version_new}'
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if channel_name == 'stable':
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body = subprocess.check_output([COMMIT_MESSAGE_SCRIPT, version_new]).decode('utf-8')
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commit_message += '\n\n' + body
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elif channel_name == 'ungoogled-chromium':
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subprocess.run(['git', 'add', UNGOOGLED_FLAGS_PATH], check=True)
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subprocess.run(['git', 'add', JSON_PATH], check=True)
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subprocess.run(['git', 'commit', '--file=-'], input=commit_message.encode(), check=True)
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else:
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with open(JSON_PATH, 'w') as out:
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json.dump(sorted_channels, out, indent=2)
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out.write('\n')
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print_updates(last_channels, sorted_channels)
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