rc.slack-autoupdate (1403B)
1 #!/bin/bash 2 # 3 # Automatically update your system on reboot using packages in the PACKAGE_DIR. 4 # 5 # Sometimes there are additional steps to make when your kernel is updated. 6 # You can define these in a custom 'install-kernel' command which this script 7 # will run if found. We recommend placing this under /usr/local/sbin. 8 # 9 10 export PATH=$PATH:/usr/local/bin:/usr/local/sbin 11 12 # Duration in seconds to wait before installing pending updates. 13 WAIT_TIME=5 14 15 # Where packages are stored pending installation. You can use sub-directories 16 # to order and group packages. 17 PACKAGE_DIR="/var/spool/slack-autoupdate" 18 19 UPDATES="$(find "$PACKAGE_DIR" -name '*.t*z' | sort)" 20 21 if [ -z "$UPDATES" ]; then 22 exit 0 23 fi 24 25 if read -r -t "$WAIT_TIME" -p "Your system has pending software updates. They will be installed in ${WAIT_TIME} seconds. Press enter to skip..."; then 26 exit 0 27 fi 28 echo " proceeding." 29 30 OLD_KERNEL="$(md5sum /boot/vmlinuz | cut -f1 -d' ')" 31 32 for PKG in $UPDATES; do 33 upgradepkg --install-new --terse "$PKG" 34 done 35 36 NEW_KERNEL="$(md5sum /boot/vmlinuz | cut -f1 -d' ')" 37 if [ "$OLD_KERNEL" != "$NEW_KERNEL" ]; then 38 if command -v install-kernel &> /dev/null; then 39 install-kernel /boot/vmlinuz 40 fi 41 fi 42 43 # All package updates have been processed. 44 # 45 # This will error out if PACKAGE_DIR is accidentally unset. 46 find "$PACKAGE_DIR" -mindepth 1 | xargs rm -fr 47 48 echo "All updates have been installed." 49 50 reboot