Merge branch 'chapter8'

1 files changed, 27 insertions, 0 deletions

diff --git a/chapter8/backup.sh b/chapter8/backup.sh
new file mode 100644
index 0000000..8d750c5
--- /dev/null
+++ b/chapter8/backup.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+file="${LFS_VER}-ch8-backup.tar.xz"
+directories=(bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var)
+
+if [ -f "${LFS}/sources/chapter8/backup" ]; then
+	printf "%b" "  ${IGRN}Backup previously completed${RST}\n"
+else
+
+	printf "%b" "${GRN}Backing up ${YLW}${LFS}${GRN} to ${YLW}${file}${RST}... "
+	pushd "${LFS}" > /dev/null || exit 1
+		# shellcheck disable=SC2024
+		sudo XZ_OPTS="-T${NUMPROCS} -e" tar cJvpf "${HOME}"/"${file}" "${directories[@]}" >"${LFS}"/sources/log/chapter8/backup.log 2>&1 & pid=$!
+		spinner "$pid" "${SPINNER}"
+		retval=$?
+		if [ "${retval}" -ne 0 ]; then
+			printf "%b" "${IRED}FAILED!${RST}\n"
+			exit "${retval}"
+		else
+			# shellcheck disable=SC2024
+			sudo chown -v "${USER}":"$(id -g)" "${HOME}"/"${file}" >"${LFS}"/sources/log/chapter8/backup.log 2>&1
+			printf "%b" "${IGRN}OK${RST}\n"
+		fi
+	popd > /dev/null || exit 1
+
+	touch "${LFS}/sources/chapter8/backup"
+fi