#!/bin/sh

set -e

case "$1" in
	install|upgrade)
	;;

	abort-upgrade)
	exit 0
	;;

	*)
	echo "preinst called with unknown argument '$1'" >&2
	exit 1
	;;
esac

# leftover from 1.2.6-2
if dpkg-divert --list | \
	egrep -q 'diversion of .*functions/display_messages.php .* by squirrelmail-cn'; then

	rm -f /usr/share/squirrelmail/functions/display_messages.php

	dpkg-divert --package squirrelmail-cn --remove --rename --divert \
		/usr/share/squirrelmail/functions/display_messages.php.divert-cn \
		/usr/share/squirrelmail/functions/display_messages.php
fi

exit 0