FILE="${LFS_VER}-ch6-backup.tar.xz"
DIRS="bin etc lib lib64 sbin tools usr var"

if [ -f "${LFS}/sources/chapter6/backup" ]; then
	echo -e "${GRN}Backup found. Remove manually to backup again.${RST}"
else

	echo -ne "${GRN}Backing up ${YLW}${LFS}${GRN} to ${YLW}${FILE}${RST}... "
	pushd ${LFS} > /dev/null
	  sudo XZ_OPTS="${NUMPROCS} -e" tar -cJpf /home/${USER}/${FILE} ${DIRS} & pid=$!
	  spinner "$!"
	  retval=$?
	  if [ "$retval" -ne 0 ]; then
		  echo -e "${RED}Backup FAILED!${RST}"
	  else
		  sudo chown ${USER} /home/${USER}/${FILE}
		  echo -e "${GRN}OK${RST}"
	  fi
	popd > /dev/null

	touch "${LFS}/sources/chapter6/backup"
fi