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ci: give main a run-unique concurrency group #113

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Merged
devantler merged 1 commit into from
Aug 6, 2026
Merged

ci: give main a run-unique concurrency group #113

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12 changes: 10 additions & 2 deletions .github/workflows/ci.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,16 @@ on:
workflow_dispatch:

concurrency:
group: "${{ github.workflow }}-${{ github.ref }}"
cancel-in-progress: true
# On main each run is that commit's verification record, so it gets a run-unique
# group and nothing there queues behind or evicts anything else. Disabling
# cancellation alone would not be enough: a concurrency group holds one running
# plus one pending run, and a third push cancels the pending one, so a second
# push's checks would still be lost. A cancelled check is not a failed check, so
# main would report green over verification that never completed.
#
# Pull requests keep the ref-keyed group, so superseded runs there still cancel.
group: "${{ github.workflow }}-${{ github.ref == 'refs/heads/main' && github.run_id || github.ref }}"
cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

permissions: {}

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