Run the unchanged initrd builder with fixture binaries and inspect both generated archives. Replace source extraction with checks for selected libraries and their contents.
Read site settings from an isolated database and inspect the sources.list written into the image. Stop at an injected package-metadata failure without downloading packages.
Run genimage and inspect the arguments passed to debootstrap instead of evaluating an extracted assignment. Keep the existing ppc64le pass-through explicit.
Vinícius Ferrão