CleanFilePath removes characters from a given path that cannot be used in paths by the underlying platform (e.g.

given a path to a directory, check if it has any contents.

GetDirectoryContents converts the directory starting at the provided path into a Directory struct.

GetFileContents returns the contents of a file at the specified path.

unpack image filesystem to local disk if provided directory is not empty, do nothing.

GetFileSystemForLayer unpacks a layer to local disk.

GetImage infers the source of an image and retrieves a v1.Image reference to it.

GetImageForName retrieves an image by name alone.

HasFilepathPrefix checks if the given file path begins with prefix.

checks to see if an image string contains a tag.

returns a raw image name with the tag removed.

Directory stores a representation of a file directory.