#!/bin/bash
EXPECTED="table inet filter {
map countermap {
type ipv4_addr : counter
}
}"
set -e
$NFT -f - <<< "$EXPECTED"
$NFT flush map inet filter countermap
GET="$($NFT list map inet filter countermap)"
if [ "$EXPECTED" != "$GET" ] ; then
DIFF="$(which diff)"
[ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET")
exit 1
fi