#!/bin/sh

set -e

grep -qs boot=live /proc/cmdline || exit 0
grep -qs upgrade /proc/cmdline || exit 0

case "${1}" in
	start)
		NOTTY="-q -y -o DPkg::Options::=--force-confdef"
		UPGRADEOPTS="dist-upgrade"
		DEBIAN_FRONTEND="noninteractive"
		export DEBIAN_FRONTEND

		apt-get -q=2 update && apt-get ${NOTTY} -u ${UPGRADEOPTS}
		;;
esac
