#!/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.service" ]
        then
            deb-systemd-helper disable shorewall.service
            deb-systemd-invoke stop shorewall.service
        elif [ -f "/etc/init.d/shorewall" ]
        then
            if [ -x "/usr/sbin/invoke-rc.d" ]
            then
                invoke-rc.d shorewall stop
            else
                /etc/init.d/shorewall stop
            fi
        fi
        ;;
    upgrade|deconfigure|failed-upgrade)
        ;;
    *)
        echo "prerem called with unknown argument \`$1\'" >&2
        exit 1
        ;;
esac