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#!/usr/bin/env bash
####
# FILE NAME do-offline-updates.sh
#
####
__UPDATES_AVAILABLE=false
__DO_REBOOT=true
__DO_DOWNLOAD=true
__REBOOT_COMMAND="systemctl reboot"
__SANITY=true
__SCRIPT_ROOT=$(dirname $(readlink -f $0))
source $__SCRIPT_ROOT/useful.inc.sh
function __usage () {
echo " do-offline-updates.sh"
echo "Perform offline updates, if available."
echo ""
echo "--help -h"
echo " Show this help message."
echo ""
echo "--no-reboot"
echo " Do not perform an reboot."
echo ""
echo "--no-download --check-updates"
echo " Do not download updates."
echo " Will show if updates are available."
echo " Implies --no-reboot."
echo ""
}
function __sanity_check () {
# Check that we have the tools needed.
__find_tool systemctl
__find_tool pkcon
if [[ $__SANITY == false ]]; then
echo ""
echo "Please install the missing tools."
echo ""
exit 1
fi
}
function __check_for_updates () {
__silentpkcon get-updates
if [[ $? == 0 ]]; then
echo "Updates are available!"
echo ""
__UPDATES_AVAILABLE=true
else
__UPDATES_AVAILABLE=false
fi
}
function __download_updates () {
pkgcon update --download-only
if [[ $? == 0 ]];then
__UPDATES_AVAILABLE=true
else
## huh?
__UPDATES_AVAILABLE=false
fi
}
function __reboot () {
eval __REBOOT_COMMAND
}
function __parse_args () {
if [[ -z "$1" ]]
then
echo "Try --help or -h."
exit 1
fi
while [[ $# -gt 0 ]]
do
case $1 in
-h|--help)
__usage
exit
shift
;;
--no-reboot)
__DO_REBOOT=false
shift
;;
--no-download|--check-updates)
__DO_REBOOT=false
__DO_DOWNLOAD=false
shift
;;
*)
echo "Unkown argument \"${1}\"."
exit 1
shift
;;
--)
shift
break
;;
esac
done
}
function __main () {
__satity_check
__parse_args $@
if [[ ( __DO_DOWNLOAD == true ) && ( __UPDATE_AVAILABLE == true ) ]]; then
__do_download
fi
if [[ ( __DO_REBOOT == true ) && ( __UPDATE_AVAILABLE == true ) ]]; then
__do_reboot
fi
}
__main $@
|