#!/bin/sh [ ! -f /var/lock/subsys/apt ] && exit 0 [ -f /etc/sysconfig/apt ] && . /etc/sysconfig/apt [ $CHECK_ONLY == "yes" ] && OPTS="$OPTS --check-only" OPTS="$OPTS $EXTRA_OPTIONS" export HOME=/root if /usr/bin/apt-get -qq update; then /usr/bin/apt-get dist-upgrade -qq --check-only if [ $? -eq 100 ]; then /usr/bin/apt-get -q -y $OPTS dist-upgrade fi fi