# Test suite for GNU tar.
# Copyright 2020-2023 Free Software Foundation, Inc.
#
# This file is part of GNU tar.
#
# GNU tar is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# GNU tar is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

AT_SETUP([chained renames])
AT_KEYWORDS([incremental rename06 rename])

# Description: test whether chained renames are processed correctly
# during the incremental archive creation.  Tar 1.32.90 failed to
# encode them.
# Reported by: Deweloper <deweloper@wp.pl>
# References: <20200214100922.44c43334@amazur-u.kat.adbgroup.pl>,
#   https://lists.gnu.org/archive/html/bug-tar/2020-02/msg00008.html

AT_TAR_CHECK([
AT_SORT_PREREQ
decho Creating directory structure
mkdir test test/d1 test/d2
genfile --file test/d1/file1
genfile --file test/d2/file2

decho First dump
tar -c -g 0.snar -C test -f backup0.tar .

decho Altering directory structure
genfile --file test/d2/file3
mv test/d1 test/d3
mv test/d2 test/d1

decho Second dump
cp 0.snar 1.snar
tar -vc -g 1.snar -C test -f backup1.tar .

mkdir test1

decho First extract
tar -C test1 -x -g /dev/null -f backup0.tar

decho Second extract
tar -C test1 -x -g /dev/null -f backup1.tar

decho Resulting directory
find test1 | sort
],
[0],
[Creating directory structure
First dump
Altering directory structure
Second dump
./
./d1/
./d3/
./d1/file3
First extract
Second extract
Resulting directory
test1
test1/d1
test1/d1/file2
test1/d1/file3
test1/d3
test1/d3/file1
],
[Creating directory structure
First dump
Altering directory structure
Second dump
tar: ./d1: Directory has been renamed from './d2'
tar: ./d3: Directory has been renamed from './d1'
First extract
Second extract
Resulting directory
],[],[],[gnu, oldgnu, posix])
AT_CLEANUP