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Add sha256 to dependencies - #344
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libpak reads `metadata.dependencies[].sha256`, not `checksum`, so without it libpak skips the dependency cache and never verifies downloads. Fixes the retrieval script so the next version bump keeps `sha256`, matching paketo-buildpacks/syft#495. Signed-off-by: Daniel Mikusa <dan@mikusa.com>
anthonydahanne
approved these changes
Oct 14, 2026
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Summary
libpak reads the dependency hash from
metadata.dependencies[].sha256, notchecksum. The migration to libdependency's retrieval setsChecksum(sha256:…) but neverSHA256, so libpak skips the dependency cache ("Dependency has no SHA256. Skipping cache.") and downloads are never verified.This fixes the retrieval script so the next version bump keeps
sha256, matching the fix already made in syft (paketo-buildpacks/syft#495).Changes
SHA256alongsideChecksumwhen building each dependencyVerification
go build ./...,go vet ./...,golangci-lint run— cleanFixes the same issue as paketo-buildpacks/syft#494.
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