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#!/bin/bash
file="${LFS_VER}-ch7-backup.tar.xz"
directories=(bin dev etc lib lib64 proc run sbin sources sys tools usr var)
if [ -f "${LFS}/sources/chapter7/backup" ]; then
echo -e "${YLW}Chapter 7 ${GRN}Backup found. Remove manually to backup again.${RST}"
else
echo -ne "${GRN}Backing up ${YLW}${LFS}${GRN} to ${YLW}${file}${RST}... "
pushd "${LFS}" > /dev/null || exit 1
sudo XZ_OPTS="-T${NUMPROCS} -e" tar cJpf "${HOME}"/"${file}" "${directories[@]}" >/dev/null 2>&1 & pid=$!
spinner "$pid"
retval=$?
if [ "${retval}" -ne 0 ]; then
echo -e "${RED}FAILED!${RST}"
exit "${retval}"
else
echo -e "${GRN}OK${RST}"
fi
popd > /dev/null || exit 1
touch "${LFS}/sources/chapter7/backup"
fi
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