PKG=#DZ-PKG#
INSTANCE=#DZ-INSTANCE#
ZVER=#DZ-ZVER#
DATABASE=#DZ-DATABASE#

if command -v invoke-rc.d >/dev/null 2>&1; then
	INVOKE="invoke-rc.d zope$ZVER"
else
	INVOKE="/etc/init.d/zope$ZVER"
fi

case "$1" in
    install|upgrade)
	if [ "$1" = "upgrade" ]; then
	    if [ "$DATABASE" = "ZEO" ]; then
		$INVOKE stop "ZEOSERVER=$INSTANCE" || true
	    fi
	    $INVOKE stop "INSTANCE=$INSTANCE" || true
	fi
	;;
    failed-upgrade)
	;;
    *)
	echo "preinst called with unknown argument \`$1'" >&2
	exit 1
    ;;
esac
