snapshot

type Blobmapper interface {
	GetBlob(ctx context.Context, key string) (digest.Digest, digest.Digest, error)
	SetBlob(ctx context.Context, key string, diffID, blob digest.Digest) error
}

type Mountable interface {
	// ID() string
	Mount() ([]mount.Mount, error)
	Release() error
}

type Mounter interface {
	Mount() (string, error)
	Unmount() error
}

type Snapshotter interface {
	Blobmapper
	SnapshotterBase
}

type SnapshotterBase interface {
	Mounts(ctx context.Context, key string) (Mountable, error)
	Prepare(ctx context.Context, key, parent string, opts ...snapshots.Opt) error
	View(ctx context.Context, key, parent string, opts ...snapshots.Opt) (Mountable, error)

	Stat(ctx context.Context, key string) (snapshots.Info, error)
	Update(ctx context.Context, info snapshots.Info, fieldpaths ...string) (snapshots.Info, error)
	Usage(ctx context.Context, key string) (snapshots.Usage, error)
	Commit(ctx context.Context, name, key string, opts ...snapshots.Opt) error
	Remove(ctx context.Context, key string) error
	Walk(ctx context.Context, fn func(context.Context, snapshots.Info) error) error
	Close() error
}