#!/bin/sh
# prerm script for upgrade-system
#
# see: dh_installdeb(1)

set -e

case "$1" in
	upgrade|deconfigure)
	;;
	remove)
		if [ -f /etc/apt/preferences ]
		then
			cp /etc/apt/preferences /etc/apt/preferences.old
		fi
	;;
	failed-upgrade)
	;;
	*)
		echo "prerm called with unknown argument \`$1'" >&2
		exit 1
	;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0


