#!/bin/sh -e case "$1" in # do not stop the firewall during an upgrade remove) if [ -d "/run/systemd/system" ] && [ -f "/lib/systemd/system/shorewall-lite.service" ] then deb-systemd-invoke stop shorewall-lite.service elif [ -f "/etc/init.d/shorewall-lite" ] then if [ -x "/usr/sbin/invoke-rc.d" ] then invoke-rc.d shorewall-lite stop else /etc/init.d/shorewall-lite stop fi fi ;; upgrade|deconfigure|failed-upgrade) ;; *) echo "prerem called with unknown argument \`$1\'" >&2 exit 1 ;; esac