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#!/usr/bin/env nix-shell
#!nix-shell -i python3 -p python3Packages.feedparser python3Packages.requests
# This script prints the Git commit message for stable channel updates.
# Usage: ./get-commit-message.py [version]
import re
import sys
import textwrap
from collections import OrderedDict
import feedparser
import requests
# Official rss/atom feed taken from <https://chromereleases.googleblog.com/>'s html source (<link type="application/atom+xml">)
feed = feedparser.parse('https://www.blogger.com/feeds/8982037438137564684/posts/default')
html_tags = re.compile(r'<[^>]+>')
target_version = sys.argv[1] if len(sys.argv) == 2 else None
for entry in feed.entries:
url = requests.get(entry.link).url.split('?')[0]
if entry.title != 'Stable Channel Update for Desktop':
if target_version and entry.title == '':
# Workaround for a special case (Chrome Releases bug?):
if not 'the-stable-channel-has-been-updated-to' in url:
continue
else:
continue
content = entry.content[0].value
content = html_tags.sub('', content) # Remove any HTML tags
if re.search(r'Linux', content) is None:
continue
#print(url) # For debugging purposes
version = re.search(r'\d+(\.\d+){3}', content).group(0)
if target_version:
if version != target_version:
continue
else:
print('chromium: TODO -> ' + version + '\n')
print(url)
if fixes := re.search(r'This update includes .+ security fix(es)?\.', content):
fixes = fixes.group(0)
if zero_days := re.search(r'Google is aware( of reports)? th(e|at) .+ in the wild\.', content):
fixes += " " + zero_days.group(0)
print('\n' + '\n'.join(textwrap.wrap(fixes, width=72)))
if cve_list := re.findall(r'CVE-[^: ]+', content):
cve_list = list(OrderedDict.fromkeys(cve_list)) # Remove duplicates but preserve the order
cve_string = ' '.join(cve_list)
print("\nCVEs:\n" + '\n'.join(textwrap.wrap(cve_string, width=72)))
sys.exit(0) # We only care about the most recent stable channel update
print("Error: No match.")
sys.exit(1)
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