ApplyLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`.

ApplyUncompressedLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`.

NewArchiver returns a new Archiver which uses chrootarchive.Untar.

Tar tars the requested path while chrooted to the specified root.

Untar reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`.

UntarUncompressed reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`.

UntarWithRoot is the same as `Untar`, but allows you to pass in a root directory The root directory is the directory that will be chrooted to.