ci: concurrency groups for ten gates that queued a run per merge - #4250
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Every merge to master queued one more run of each ungrouped gate behind the
last: 61-62 per gate on 2026-09-17, against exactly 1 for each of the 15
workflows that already carry `<name>-${{ github.ref }}` with
cancel-in-progress. The repository had 2267 runs queued and PR required
checks waited behind them. Same shape as the grouped workflows; deploy and
image-build workflows are left out on purpose.
Closes #4249
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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enabled auto-merge (squash)
September 17, 2026 11:09
This was referenced Sep 17, 2026
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This was referenced Sep 17, 2026
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Closes #4249
Adds the top-level
concurrencyblock the 15 already-grouped workflows use (<file-name>-${{ github.ref }},cancel-in-progress: true) to the ten gates that had none: secret-scan, seal-coverage, scorecard, now-sync-gate, notebook-gate, withdrawn-live-gate, untrusted-input-gate, schema-validation, gate-topology, fpga-build.Why: measured 2267 queued runs, 577 of them post-merge master runs, 61-62 per ungrouped gate against 1 per grouped workflow. The queue grew ~290/hour. Details and the one-off cancellation of 552 superseded runs are in #4249.
Not changed: deploy-api, sandbox-docker, agent-runner-docker, brain-seal-refresh, build-paper (they have side effects a cancelled run would lose).
Checked locally, with and without this change (all exit 0 both ways):
scripts/ci/check_pr_branch_filters.py,check_untrusted_shell_interp.py,check_untrusted_javascript_interp.py,test_required_gates_name_their_subject.py,tools/check_devhome_paths.py, and the four other scripts that read.github/workflows. Each edited file parses with PyYAML and its group starts with its own file name.🤖 Generated with Claude Code