registrydelegate

type DeltaManifestOptions struct {
	From string
	To   string
	algorithmchoice.DifferChoice
}

type RegistryDelegate interface {
	// Resolve the provided image.
	// Enforces whether the image is tagged or uses a digest.
	// If an authToken is provided it, and ONLY it has to be used to authenticate to the registry.
	Resolve(image string, expectDigest bool, creds auth.CredentialFunc) (oras.ReadOnlyTarget, string, v1.Descriptor, error)
	LoadManifest(target v1.Descriptor, source oras.ReadOnlyTarget) (ociutils.Manifest, error)
	LoadArtifact(mf ociutils.Manifest, source oras.ReadOnlyTarget) (io.ReadCloser, error)
	PushDelta(ctx context.Context, image string, manifOpts DeltaManifestOptions, content io.ReadCloser) error
	PushDummy(image string, manifOpts DeltaManifestOptions) error
}