#!/bin/sh -e
#
# Debian package preinst
# Version 1.2
#
# Robert Leslie <rob@mars.org>

case "$1" in
    install|upgrade)
	if [ "$1" = "upgrade" ]
	then
	    start-stop-daemon --stop --quiet --oknodo  \
		--pidfile /var/run/named.pid  \
		--exec /usr/sbin/named 2>/dev/null || true
	fi

	if [ -f /var/named/named.boot ] &&  \
	    ! grep -q 'include boot\.options' /var/named/named.boot 2>/dev/null
	then
	    # need to adjust file to scheme
	    mv -f /var/named/named.boot /var/named/.named.boot.old
	fi

	test ! -L /usr/bin/nslookup || rm -f /usr/bin/nslookup
    ;;

    abort-upgrade)
    ;;

    *)
	echo "preinst called with unknown argument \`$1'" >&2
	exit 0
    ;;
esac

exit 0
