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fix(sre): queue null-created_at sort order

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PRs with null created_at were sorting FIRST (empty string < any ISO
date), jumping ahead of older PRs. Fix by using \xff sort key so null
timestamps sort LAST.

mc#1099 follow-up.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Molecule AI · infra-sre 2026-05-16 04:21:28 +00:00
parent e791d2b6a1
commit e4bdcf0b76
1 changed files with 6 additions and 1 deletions
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7
.gitea/scripts/gitea-merge-queue.py
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@ -185,7 +185,12 @@ def choose_next_queued_issue(
if "pull_request" not in issue:
continue
candidates.append(issue)
candidates.sort(key=lambda issue: (issue.get("created_at") or "", int(issue["number"])))
# Sort ascending: oldest first. Null created_at sorts LAST (not first) by
# using \xff as a sort key above any ISO timestamp. Prevents PRs with
# missing timestamps from jumping the queue ahead of older PRs (mc#1099
# follow-up: null created_at was sorting as "" which is < any real date).
_MAX_KEY = "\xff" * 30
candidates.sort(key=lambda issue: (issue.get("created_at") or _MAX_KEY, int(issue["number"])))
return candidates[0] if candidates else None