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November 18, 2025 10:03
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A lightweight Python script that, given a Chrome bug ID, fetches its Stable Channel Update entry from Chrome Releases RSS and lists all related commits from GitHub and Gerrit
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| #!/usr/bin/env python3 | |
| import sys | |
| import json | |
| import requests | |
| import feedparser | |
| import re | |
| BUG_ID = sys.argv[1] if len(sys.argv) > 1 else None | |
| if not BUG_ID or not BUG_ID.isdigit(): | |
| print("Usage: python3 chrome-bug-commit-tracker.py <bug_id>") | |
| sys.exit(1) | |
| FEED_URL = "https://chromereleases.googleblog.com/feeds/posts/default/-/Stable%20updates" | |
| GITHUB_API = "https://api.github.com/search/commits" | |
| GITHUB_HEADERS = {"Accept": "application/vnd.github.cloak-preview"} | |
| GITHUB_REPOS = ["v8/v8", "chromium/chromium"] | |
| GERRIT_BASE = "https://chromium-review.googlesource.com/changes/" | |
| ISSUES_URL = "https://issues.chromium.org/issues/" | |
| def find_in_stable_updates(bug_id): | |
| feed = feedparser.parse(FEED_URL) | |
| return [ | |
| (e.published, e.title, e.link) | |
| for e in feed.entries | |
| if bug_id in ((e.title or "") + "\n" + (e.summary or "")) | |
| ] | |
| def find_github_commits(bug_id, repo): | |
| params = {"q": f"repo:{repo} {bug_id}", "sort": "indexed", "order": "desc"} | |
| r = requests.get(GITHUB_API, headers=GITHUB_HEADERS, params=params, timeout=10) | |
| if r.status_code != 200: | |
| return [] | |
| return [item["html_url"] for item in r.json().get("items", [])] | |
| def find_gerrit_changes(bug_id, project): | |
| q = f"message:{bug_id} project:{project} status:merged" | |
| r = requests.get(GERRIT_BASE, params={"q": q, "o": "CURRENT_REVISION"}, timeout=10) | |
| payload = r.text.lstrip(")]}'\n") | |
| try: | |
| changes = json.loads(payload) | |
| except json.JSONDecodeError: | |
| return [] | |
| return [ | |
| f"https://chromium.googlesource.com/{ch['project']}/+/{ch['current_revision']}" | |
| for ch in changes | |
| ] | |
| def extract_issue_title(html, bug_id): | |
| pattern = r'b\.IssueFetchResponse",\[.*?\[null,' + bug_id + r',\[.*?,.*?,.*?,.*?,.*?,"(.*?)"' | |
| match = re.search(pattern, html, re.DOTALL) | |
| if match: | |
| return match.group(1) | |
| return None | |
| def check_chromium_issue(bug_id): | |
| url = f"{ISSUES_URL}{bug_id}" | |
| r = requests.get(url, timeout=10) | |
| if r.status_code == 200: | |
| if "b.IssueFetchResponse" in r.text: | |
| title = extract_issue_title(r.text, bug_id) | |
| if title: | |
| return f"Issue is accessible: {title}" | |
| else: | |
| return "Issue is accessible, but title not found" | |
| else: | |
| return "Access to this issue is restricted" | |
| else: | |
| return "Failed to retrieve issue information" | |
| def extract_sha_from_github_url(url): | |
| return url.rstrip("/").split("/")[-1] | |
| def main(bug_id): | |
| print(f"\n🔍 Stable Channel Updates for {bug_id}:") | |
| hits = find_in_stable_updates(bug_id) | |
| if hits: | |
| for date, title, link in hits: | |
| print(f"- {date}: {title}\n {link}") | |
| else: | |
| print("- No Stable Channel Update entry found.") | |
| print(f"\n🔍 GitHub commits for {bug_id}:") | |
| all_github = [] | |
| for repo in GITHUB_REPOS: | |
| commits = find_github_commits(bug_id, repo) | |
| if commits: | |
| print(f"\n— {repo}:") | |
| for c in commits: | |
| print(f" {c}") | |
| all_github += commits | |
| if not all_github: | |
| print("- No GitHub commits found.") | |
| print(f"\n🔍 Gerrit (googlesource) for {bug_id}:") | |
| if all_github: | |
| allowed_shas = {extract_sha_from_github_url(u) for u in all_github} | |
| filtered = [] | |
| for proj in ("v8/v8", "chromium/src"): | |
| urls = find_gerrit_changes(bug_id, proj) | |
| filtered += [u for u in urls if u.split("/")[-1] in allowed_shas] | |
| if filtered: | |
| for u in sorted(set(filtered)): | |
| print(f" {u}") | |
| else: | |
| print("- No matching Gerrit revisions found.") | |
| else: | |
| print("- Skipping Gerrit (no GitHub commits to match).") | |
| print(f"\n🔍 Chromium Issue Tracker for {bug_id}:") | |
| issue_status = check_chromium_issue(bug_id) | |
| print(f"- {issue_status}") | |
| if __name__ == "__main__": | |
| main(BUG_ID) |
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