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sec(ci): pin actions/* refs to commit SHAs (backend#1491, D10) - #613
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Pin every actions/* ref to the full 40-char commit SHA it currently resolves to, with a trailing exact-version comment (D10, RFC-BACKEND-1405). Behaviour-preserving: no version changes, only removal of silent tag mutation. tracebloc/* refs stay on @main by design; third-party refs were pinned under backend#1490. Part of tracebloc/backend#1491. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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LukasWodka
commented
Aug 6, 2026
ContributorAuthor
FR on staging → Ready for prod (staging FR sweep, 2026-08-06). Basis: CI/tooling-only change with no product runtime surface — verified green through code review + Bugbot on develop and the fr-gated staging promotion. No product-behavior verification required for this class. |
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Pin every
actions/*ref in this repo's workflows to the full 40-char commit SHA it currently resolves to, with a trailing exact-version comment — same form and rules as the third-party run under backend#1490 (D10, RFC-BACKEND-1405). Behaviour-preserving: no version changes, only removal of silent tag mutation.tracebloc/*refs stay on@mainby design; third-party refs were already pinned under backend#1490.actions/add-to-project@v1.0.2244f685bbc3b7adfa8466e08b698b5577571133e# v1.0.2actions/checkout@v411d5960a326750d5838078e36cf38b85af677262# v4.4.0actions/download-artifact@v4d3f86a106a0bac45b974a628896c90dbdf5c8093# v4.3.0actions/stale@v95bef64f19d7facfb25b37b414482c7164d639639# v9.1.0actions/upload-artifact@v4ea165f8d65b6e75b540449e92b4886f43607fa02# v4.6.225 call sites pinned across 9 workflow files. Verified: actionlint clean (no new findings vs the base branch), YAML parses, no mutable
actions/*refs remain in.github/workflows/.Part of tracebloc/backend#1491.
🤖 Generated with Claude Code
Note
Low Risk
Workflow-only supply-chain hardening with no version bumps and no application or chart logic changes; main operational risk is future bump friction, not runtime behavior.
Overview
Pins every
actions/*workflow reference from floating version tags (@v4,@v9, etc.) to immutable 40-character commit SHAs, each with a trailing# vX.Y.Zcomment—matching the repo’s existing third-party pinning policy (D10 / backend#1490).25 call sites across 9 workflow files are updated:
actions/checkout(20),actions/upload-artifact(2),actions/download-artifact(1),actions/stale(1), andactions/add-to-project(1). No action versions change; behavior is intended to be identical aside from blocking silent tag retargeting.Reviewed by Cursor Bugbot for commit 2445c32. Bugbot is set up for automated code reviews on this repo. Configure here.