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

# Test suite for GNU tar.
# Copyright 2005-2007, 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/>.

# When decoding a header tar was assigning 0 to oldgnu_header.isextended,
# which destroyed name prefix. When updating archive, modified prefix
# could have been written to disk thus producing invalid archive member.
# Reported by Adye, TJ (Tim), <T.J.Adye@rl.ac.uk>
# References:
#  <7231C15EAC2F164CA6DC326D97493C8B36C25D@exchange35.fed.cclrc.ac.uk>
#  http://lists.gnu.org/archive/html/bug-tar/2005-02/msg00032.html

AT_SETUP([appending files with long names])
AT_KEYWORDS([append append01])

m4_pushdef([PREFIX],[This_is_a_very_long_file_name_prefix_that_is_designed_to_cause_problems_with_appending_long_file_names_that_run_into_a_limit_of_the_ustar_tarX])

AT_TAR_CHECK([
mkdir PREFIX
touch PREFIX/file1 PREFIX/file2
tar cf archive PREFIX/file1
tar rf archive PREFIX/file2
tar tf archive
],
[0],
[PREFIX/file1
PREFIX/file2
],
[],[],[],[oldgnu, ustar, posix, gnu])

m4_popdef([PREFIX])
AT_CLEANUP