continuity

type Context interface {
	Apply(Resource) error
	Verify(Resource) error
	Resource(string, os.FileInfo) (Resource, error)
	Sanitize(string) (string, error)
	Walk(filepath.WalkFunc) error
	Digest(string) (digest.Digest, error)
}

type Device interface {
	Resource

	Major() uint64
	Minor() uint64
}

type Directory interface {
	Resource
	XAttrer

	// Directory is a no-op method to identify directory objects by interface.
	Directory()
}

type NamedPipe interface {
	Resource

	// Pipe is a no-op method to allow consistent resolution of NamedPipe
	// interface.
	Pipe()
}

type RegularFile interface {
	Resource
	XAttrer

	// Paths returns all paths of the regular file, including the primary path
	// returned by Resource.Path. If len(Paths()) > 1, the resource is a hard
	// link.
	Paths() []string

	Size() int64
	Digests() []digest.Digest
}

type Resource interface {
	// Path provides the primary resource path relative to the bundle root. In
	// cases where resources have more than one path, such as with hard links,
	// this will return the primary path, which is often just the first entry.
	Path() string

	// Mode returns the
	Mode() os.FileMode

	UID() string
	GID() string
}

type SymLink interface {
	Resource

	// Target returns the target of the symlink contained in the .
	Target() string
}

type XAttrer interface {
	XAttrs() map[string][]byte
}