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This repository was archived by the owner on May 22, 2026. It is now read-only.

chore: pin GitHub Actions to SHA (incident 2026-04-28) - #6

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chore/sha-pin-actions-2026-04-28
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chore: pin GitHub Actions to SHA (incident 2026-04-28)#6
ookura-mf wants to merge 1 commit into
masterfrom
chore/sha-pin-actions-2026-04-28

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Summary

Replaces tag/branch references in workflow files with commit SHAs reachable at or before 2026-04-28T00:00:00Z.

Why

Mitigates the supply-chain risk of mutable tag/branch references in third-party GitHub Actions following the 2026-04-28 incident. Tag references can be force-updated by upstream maintainers; SHAs are immutable.

How

  • Original version is preserved as a trailing comment (e.g. uses: foo/bar@<sha> # v1) so Renovate / Dependabot can still detect upstream upgrades.
  • SHAs were pre-resolved and verified by the upstream pipeline (resolve_sha.py + verify_sha.py).

Test plan

  • CI green
  • Workflow files diff-reviewed for unintended changes

Pin third-party and internal action references to commit SHAs reachable
at or before 2026-04-28T00:00:00Z, replacing tag/branch references.

Generated by actions-sha-pinner from actions_pinned.csv.
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