#!/bin/bash

set -e

# there is no legacy backend to test
[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }

# arptables-restore reuses preloaded targets and matches, make sure defaults
# apply to consecutive rules using the same target/match as a previous one

DUMP='*filter
:OUTPUT ACCEPT
-A OUTPUT -j mangle --mangle-ip-s 10.0.0.1
-A OUTPUT -j mangle --mangle-ip-d 10.0.0.2'

# note how mangle-ip-s is unset in second rule

EXPECT='*filter
:INPUT ACCEPT
:OUTPUT ACCEPT
-A OUTPUT -j mangle --mangle-ip-s 10.0.0.1
-A OUTPUT -j mangle --mangle-ip-d 10.0.0.2'

$XT_MULTI arptables -F
$XT_MULTI arptables-restore <<<$DUMP
diff -u <(echo -e "$EXPECT") <($XT_MULTI arptables-save | grep -v '^#')