Function buildPutManifestRequest

cli/command/manifest/push.go:187–246

(imageManifest types.ImageManifest, targetRef reference.Named)

}

func buildPutManifestRequest(imageManifest types.ImageManifest, targetRef reference.Named) (mountRequest, error) {
	refWithoutTag, err := reference.WithName(targetRef.Name())
	if err != nil {
		return mountRequest{}, err
	}
	mountRef, err := reference.WithDigest(refWithoutTag, imageManifest.Descriptor.Digest)
	if err != nil {
		return mountRequest{}, err
	}

	// Attempt to reconstruct indentation of the manifest to ensure sha parity
	// with the registry - if we haven't preserved the raw content.
	//
	// This is necessary because our previous internal storage format did not
	// preserve whitespace. If we don't have the newer format present, we can
	// attempt the reconstruction like before, but explicitly error if the
	// reconstruction failed!
	switch {
	case imageManifest.SchemaV2Manifest != nil:
		dt := imageManifest.Raw
		if len(dt) == 0 {
			dt, err = json.MarshalIndent(imageManifest.SchemaV2Manifest, "", "   ")
			if err != nil {
				return mountRequest{}, err
			}
		}

		dig := imageManifest.Descriptor.Digest
		if dig2 := dig.Algorithm().FromBytes(dt); dig != dig2 {
			return mountRequest{}, fmt.Errorf("internal digest mismatch for %s: expected %s, got %s", imageManifest.Ref, dig, dig2)
		}

		var manifest schema2.DeserializedManifest
		if err = manifest.UnmarshalJSON(dt); err != nil {
			return mountRequest{}, err
		}
		imageManifest.SchemaV2Manifest = &manifest
	case imageManifest.OCIManifest != nil:
		dt := imageManifest.Raw
		if len(dt) == 0 {
			dt, err = json.MarshalIndent(imageManifest.OCIManifest, "", "  ")
			if err != nil {
				return mountRequest{}, err
			}
		}

		dig := imageManifest.Descriptor.Digest
		if dig2 := dig.Algorithm().FromBytes(dt); dig != dig2 {
			return mountRequest{}, fmt.Errorf("internal digest mismatch for %s: expected %s, got %s", imageManifest.Ref, dig, dig2)
		}

		var manifest ocischema.DeserializedManifest
		if err = manifest.UnmarshalJSON(dt); err != nil {
			return mountRequest{}, err
		}
		imageManifest.OCIManifest = &manifest
	}