blobfetch

type FetchOpt struct {
	// Scheme identifies the source kind. Must be one of
	// srctypes.DockerImageBlobScheme or srctypes.OCIBlobScheme.
	Scheme string
	// Ref is the image-ref form of the blob, i.e. "<name>@<digest>" for
	// registry blobs, or the reference body accepted by the containerd
	// reference parser for OCI-layout blobs.
	Ref string
	// Digest is the blob digest to retrieve.
	Digest digest.Digest
	// RegistryHosts is used when Scheme is DockerImageBlobScheme.
	RegistryHosts docker.RegistryHosts
	// SessionManager is used to reach the client when Scheme is
	// OCIBlobScheme.
	SessionManager *session.Manager
	// SessionID, if set, pins the OCI-layout fetch to a specific client
	// session.
	SessionID string
	// StoreID is the client-side OCI-layout store name. Required for
	// Scheme == OCIBlobScheme.
	StoreID string
}