#!/bin/bash

# delete flowtable by handle

set -e

$NFT add table inet t
$NFT add flowtable inet t f { hook ingress priority filter\; devices = { lo }\; }

FH=$($NFT list ruleset -a | awk '/flowtable f/ { print $NF }')

$NFT delete flowtable inet t handle $FH

EXPECTED="table inet t {
}"

GET="$($NFT list ruleset)"
if [ "$EXPECTED" != "$GET" ] ; then
	DIFF="$(which diff)"
	[ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET")
	exit 1
fi