# Expand `self` in its own directory
	private fun expand: String do
		assert not is_expanded

		var ori_path = package_path.as(not null)
		var new_path = ori_path.dirname / name

		new_path.mkdir
		sys.system "mv {ori_path} {new_path / name}.nit"

		var ini_file = "{new_path}.ini"
		if ini_file.file_exists then
			sys.system "mv {new_path}.ini {new_path}/package.ini"
		end

		return new_path
	end