#!/bin/sh

set -e

if [ "$1" = install ] || [ "$1" = upgrade ]; then
    # Remove previous rules if unchanged, otherwise move to new filename.
	if [ -e "/etc/udev/rules.d/52_nut-usbups.rules" ]; then
		if [ "`md5sum \"/etc/udev/rules.d/52_nut-usbups.rules\" | sed -e \"s/ .*//\"`" = \
		     "`dpkg-query -W -f='${Conffiles}' nut-hal-drivers | sed -n -e \"\\\\' /etc/udev/rules.d/52_nut-usbups.rules's/.* //p\"`" ]
		then
			rm -f "/etc/udev/rules.d/52_nut-usbups.rules"
		else
			mv "/etc/udev/rules.d/52_nut-usbups.rules" "/etc/udev/rules.d/52-nut-usbups.rules"
		fi
	fi
fi

#DEBHELPER#