#!/bin/sh
# Copyright 2009 by Denys Vlasenko
# Licensed under GPL v2, see file LICENSE for details.

. ./testing.sh

mkdir tempdir && cd tempdir || exit 1

# testing "test name" "script" "expected result" "file input" "stdin"

testing "tar hardlinks and repeated files" "\
rm -rf input_* test.tar 2>/dev/null
>input_hard1
ln input_hard1 input_hard2
mkdir input_dir
>input_dir/file
tar cf test.tar input input_dir/ input_hard1 input_hard2 input_hard1 input_dir/ input
tar tvf test.tar | sed 's/.*[0-9] input/input/'
tar xf test.tar 2>&1 && echo Ok
" "\
input
input_dir/
input_dir/file
input_hard1
input_hard2 -> input_hard1
input_hard1 -> input_hard1
input_dir/
input_dir/file
input
Ok
" \
"" ""

testing "tar --overwrite" "\
rm -rf input_* test.tar 2>/dev/null
ln input input_hard
tar cf test.tar input_hard
echo WRONG >input
# --overwrite opens 'input_hard' without unlinking,
# thus 'input_hard' still linked to 'input' and we write 'Ok' into it
tar xf test.tar --overwrite 2>&1 && cat input
" "\
Ok
" \
"Ok\n" ""

cd .. && rm -rf tempdir || exit 1

exit $FAILCOUNT