Install syft under the CI retry wrapper, pinned and checksummed - #279
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The download-syft action fetches the binary from the GitHub release CDN with no retry, and a transient download failure took down a whole docker publish job. The install is now a plain release download run under the existing with-retry.sh wrapper (the same one that already covers the cosign OIDC flake), with the version pinned and the tarball verified against the release's checksums file inside the retried block, so a truncated download retries rather than failing or landing. cosign is still installed via its action; it has not flaked yet, and can move to the same pattern if it ever does.
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Fixes the transient docker-job failure where the
Install syftstep (anchore/sbom-action/download-syft) died on a flaky GitHub release download and failed the whole publish job.The installer action cannot be wrapped in a retry, so the step is now a plain release download run under the existing
.github/scripts/with-retry.sh(the same wrapper already covering cosign's OIDC flake): pinned syft version, tarball verified against the release's own checksums file, and the download-verify-install sequence retried as one unit so a truncated fetch retries rather than failing or installing.cosign stays on its installer action for now - it has not flaked - but can move to the same pattern if it ever does. No change to what gets signed or attested.