1#!/usr/bin/env nix-shell
2#!nix-shell -i python3 -p python3Packages.feedparser python3Packages.requests
3
4# This script prints the Git commit message for stable channel updates.
5# Usage: ./get-commit-message.py [version]
6
7import re
8import sys
9import textwrap
10
11from collections import OrderedDict
12
13import feedparser
14import requests
15
16# Official rss/atom feed taken from <https://chromereleases.googleblog.com/>'s html source (<link type="application/atom+xml">)
17feed = feedparser.parse('https://www.blogger.com/feeds/8982037438137564684/posts/default')
18html_tags = re.compile(r'<[^>]+>')
19target_version = sys.argv[1] if len(sys.argv) == 2 else None
20
21for entry in feed.entries:
22 url = requests.get(entry.link).url.split('?')[0]
23 if entry.title.lower() != 'Stable Channel Update for Desktop'.lower():
24 if target_version and entry.title == '':
25 # Workaround for a special case (Chrome Releases bug?):
26 if not 'the-stable-channel-has-been-updated-to' in url:
27 continue
28 else:
29 continue
30 content = entry.content[0].value
31 content = html_tags.sub('', content) # Remove any HTML tags
32 if re.search(r'Linux', content) is None:
33 continue
34 #print(url) # For debugging purposes
35 version = re.search(r'\d+(\.\d+){3}', content).group(0)
36 if target_version:
37 if version != target_version:
38 continue
39 else:
40 print('chromium: TODO -> ' + version + '\n')
41 print(url)
42 if fixes := re.search(r'This update includes .+ security fix(es)?\.', content):
43 fixes = fixes.group(0)
44 if zero_days := re.search(r'Google is aware( of reports)? th(e|at) .+ in the wild\.', content):
45 fixes += " " + zero_days.group(0)
46 print('\n' + '\n'.join(textwrap.wrap(fixes, width=72)))
47 if cve_list := re.findall(r'CVE-[^: ]+', content):
48 cve_list = list(OrderedDict.fromkeys(cve_list)) # Remove duplicates but preserve the order
49 cve_string = ' '.join(cve_list)
50 print("\nCVEs:\n" + '\n'.join(textwrap.wrap(cve_string, width=72)))
51 sys.exit(0) # We only care about the most recent stable channel update
52
53print("Error: No match.")
54sys.exit(1)