cd "${BUILD_DIRECTORY}" && mk_source_dir "${SOURCE_DIRECTORY}" && message "${MESSAGE_COLOR}unxz ${SOURCE_CACHE}/${SOURCE}${DEFAULT_COLOR}" && unxz -k "${SOURCE_CACHE}/${SOURCE}" && SOURCE="${SOURCE%.xz}" && unpack_file "" && message "${MESSAGE_COLOR}rm ${SOURCE_CACHE}/${SOURCE}${DEFAULT_COLOR}" && rm "${SOURCE_CACHE}/${SOURCE}" && SOURCE="${SOURCE}.xz" && cd "${SOURCE_DIRECTORY}"