let AMIN=$(/usr/sbin/chroot /mnt/initfs /usr/bin/retutime --get-time \ | sed -e 's@[^:]*:\([^:]*\):.*@\1@')+4 && \ ATIME="$(/usr/sbin/chroot /mnt/initfs /usr/bin/retutime --get-time \ | sed -e 's@\([^:]*:\).*@\1@')$AMIN:00" && \ /usr/sbin/chroot /mnt/initfs /usr/bin/retutime --set-alarm $ATIME && \ poweroff