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chore(workflows): remove Blacksmith runner support - #371
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ARC is the default runner and nothing builds on Blacksmith any more, so the use-blacksmith-runners input, the converter's Blacksmith mapping, component-build's build-blacksmith job and the Blacksmith actionlint labels go. Callers that opt out of ARC, and events without a repository in the payload, now resolve the GitHub-hosted linux-arm64 runners. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
joscdk
approved these changes
Oct 5, 2026
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What
Removes Blacksmith runner support from the shared workflows:
use-blacksmith-runnersinput removed from the 12 workflows that had it and fromrunner-size-converter.component-build: thebuild-blacksmithjob (useblacksmith/setup-docker-builder+useblacksmith/build-push-action) is gone;build-self-hostedalways runs.runner-size-converter: resolves ARC (private repo withuse-arc-runners: true),ubuntu-24.04-arm(public repo), or else GitHub'slinux-arm64/linux-arm64-xl.actionlint.yaml; converter README, workflow guide andCLAUDE.mdupdated.Why
ARC is the default since #360 and #367, and the last repos building on Blacksmith (pinned to
f0866ab) moved to ARC today:Merge order
A caller that passes a removed input fails at startup, so these must merge first:
No other repo passes
use-blacksmith-runners(checked across all private and public repos).Behaviour changes
use-arc-runners: false, and events without a repository in the payload (schedule), now get GitHub'slinux-arm64runners instead of Blacksmith.4491679callrunner-size-converter@main, so they get the new converter while their pinned workflows still passuse-blacksmith-runners. For a composite action that is a warning, not an error, and with ARC on in a private repo theirbuild-blacksmithjob is skipped, so their builds are unchanged. Their pins get bumped to this commit after merge.QA
track-pending-release.yml, untouched).arc-arm64-4cpu-12gb/arc-arm64-8cpu-24gb; private without ARC →linux-arm64/linux-arm64-xl; public →ubuntu-24.04-arm; no repository →linux-arm64.nojira
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