#!/bin/bash

tmpfile1=$(mktemp)
if [ ! -w $tmpfile1 ] ; then
        echo "Failed to create tmp file" >&2
        exit 1
fi

tmpfile2=$(mktemp)
if [ ! -w $tmpfile2 ] ; then
        echo "Failed to create tmp file" >&2
        exit 1
fi

echo "(" >> $tmpfile2

tmpdir=$(mktemp -d)

echo "include \"$tmpfile2\"
include \"$tmpdir/*.nft\"
x" > $tmpfile1

echo "=" > $tmpdir/1.nft
echo ")" > $tmpdir/2.nft
echo "-" > $tmpdir/3.nft

tmpfile3=$(mktemp)
if [ ! -w $tmpfile3 ] ; then
        echo "Failed to create tmp file" >&2
        exit 1
fi

echo "In file included from $tmpfile1:1:1-30:
$tmpfile2:1:1-1: Error: syntax error, unexpected '('
(
^
In file included from $tmpfile1:2:1-36:
$tmpdir/1.nft:1:1-1: Error: syntax error, unexpected '='
=
^
In file included from $tmpfile1:2:1-36:
$tmpdir/2.nft:1:1-1: Error: syntax error, unexpected ')'
)
^
In file included from $tmpfile1:2:1-36:
$tmpdir/3.nft:1:1-1: Error: syntax error, unexpected -
-
^
$tmpfile1:3:2-2: Error: syntax error, unexpected newline, expecting string
x
 ^" > $tmpfile3

tmpfile4=$(mktemp)
if [ ! -w $tmpfile4 ] ; then
        echo "Failed to create tmp file" >&2
        exit 1
fi

$NFT -I/tmp/ -f $tmpfile1 2> $tmpfile4
$DIFF -u $tmpfile3 $tmpfile4

rm $tmpfile1 $tmpfile2 $tmpfile3 $tmpfile4
rm -r $tmpdir