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Package reports

OCI history-to-layer map

Pair filesystem history entries with ordered rootfs DiffIDs, skipping empty layers.

Your inputs

Start with an example

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Your result

Example result

How it works

Walk history in order. An empty_layer=true entry consumes no DiffID; each other history entry consumes the next ordered rootfs.diff_ids value.

The sample’s ENV entry is metadata-only. The FROM and RUN entries pair with the two DiffIDs.

Limits

Config JSON only; no registry requests, image execution or archive reads. Digest syntax is checked without hashing content. Optional absent history stays absent; mismatched counts are reported, not repaired. No size, provenance or vulnerability claim.