NaiveDiffDriver returns a fully functional driver that wraps the given ProtoDriver and adds the capability of the following methods which it may or may not support on its own: Diff(id, parent string) (archive.Archive, error) Changes(id, parent string) ([]archive.Change, error) ApplyDiff(id, parent string, diff archive.ArchiveReader) (bytes int64, err error) DiffSize(id, parent string) (bytes int64, err error).

Driver is the interface for layered/snapshot file system drivers.

ProtoDriver defines the basic capabilities of a driver.