# Process this file with autom4te to create testsuite. -*- Autotest -*-

# Test suite for GNU tar.
# Copyright 2009-2010, 2013-2014, 2016 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/>.

# Description:
# When extracting, tar (<1.22) sometimes renamed a backup back to the
# original name (overwriting the newly-extracted file) for no good reason.
#
# Reported by: Carl Worth <cworth@cworth.org>,
#              Eric Lammerts <eric@lammerts.org>
#
# References: <1249419998.4905.84.camel@yoom.home.cworth.org>
#             http://lists.gnu.org/archive/html/bug-tar/2009-08/msg00005.html
#             http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508199
#

AT_SETUP([extracting existing dir with --backup])
AT_KEYWORDS([extract backup backup01])

AT_TAR_CHECK([
unset VERSION_CONTROL
mkdir dir1 dir2
echo bla > dir1/file1
tar cf test.tar dir1 dir2
tar xfv test.tar --backup --warning=no-timestamp
],
[0],
[dir1/
dir1/file1
Renaming 'dir1/file1' to 'dir1/file1~'
dir2/
])

AT_CLEANUP