STAC-25591: repin image-pipeline actions to pick up the Buildx digest fix - #490
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… fix The self-hosted runners carry a Buildx built without version ldflags, so it reports v0.0.0+unknown. build-push-action feature-gates its CLI flags on that string, never passed --metadata-file, and returned an empty digest, so every push to the default branch failed in "Publish and sign ... image" after the image had already been pushed - publishing unsigned images and skipping the multi-arch merge. The same gating dropped --attest, so the SBOM and provenance attestations these builds request were never applied either. image-pipeline#25 pins Buildx to a versioned release at the setup-buildx call sites and fails closed when no digest is available. Repin all four actions in both workflows onto that merge commit. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
LouisParkin
enabled auto-merge
August 20, 2026 11:03
LouisLotter
approved these changes
Aug 20, 2026
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Repins the four
image-pipelineactions inbuild-binaries.ymlandbuild-deb.ymlonto image-pipeline#25 (ab8ac3d).Every push to this branch has failed in
Publish and sign … imagesince ~13 Aug. Our self-hosted runners carry a Buildx built without version ldflags (v0.0.0+unknown);build-push-actionfeature-gates its CLI flags on that string, so--metadata-filewas never passed,outputs.digestcame back empty, and the verify step builtIMAGE@. The push itself had already succeeded — so each failure published an unsigned image and skipped the multi-arch merge. The same gating dropped--attest, so thesbom/provenancethese builds request were never applied.pull_requestandscheduleruns stayed green throughout because the publish jobs areif: github.event_name == 'push', which is why this ran for weeks unnoticed.Since the publish jobs only run on
pushto the default branch, merging this is also what proves the fix on a self-hosted runner — the pin is so far only verified on GitHub-hosted runners in image-pipeline's own CI.Tracked in STAC-25591.