#!/bin/bash

file="${LFS_VER}-ch6-backup.tar.xz"
directories=(bin etc lib lib64 sbin tools usr var)

if [ -f "${LFS}/sources/chapter6/backup" ]; then
	printf "%b" "${YLW}Chapter 6 ${GRN}Backup found. Remove manually to backup again.\n${RST}"
else

	echo -ne "${GRN}Backing up ${YLW}${LFS}${GRN} to ${YLW}${file}${RST}... "
	pushd "${LFS}" > /dev/null || exit 1
		sudo XZ_OPTS="-T${NUMPROCS} -e" tar cJpf "${HOME}"/"${file}" "${directories[@]}" >/dev/null 2>&1 & pid=$!
		spinner "$pid" "${SPINNER}"
		retval=$?
		if [ "$retval" -ne 0 ]; then
			printf "%b" "${RED}FAILED!${RST}\n"
			exit "${retval}"
		else
			sudo chown "${USER}" "${HOME}"/"${file}"
			printf "%b" "${GRN}OK${RST}\n"
		fi
	popd > /dev/null || exit 1

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