tar/tests/remfiles01.at

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

# Test suite for GNU tar.
# Copyright (C) 2009 Free Software Foundation, Inc.

# This program 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, or (at your option)
# any later version.

# This program 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

# Description: When called with --create --remove-files and a compression
# options tar (v. <= 1.22.90) would remove files even if it had failed
# to store them in the archive.
#
# References: <[email protected]>
#             http://lists.gnu.org/archive/html/bug-tar/2009-10/msg00005.html

AT_SETUP([remove-files with compression])
AT_KEYWORDS([create remove-files remfiles01 gzip])

unset TAR_OPTIONS
AT_CHECK([
AT_UNPRIVILEGED_PREREQ
AT_GZIP_PREREQ
AT_SIGPIPE_PREREQ
AT_SORT_PREREQ

mkdir dir
cd dir
genfile --file a --length 0
chmod 0 a
genfile --file b
mkdir c

# Depending on when the SIGPIPE gets delivered, the invocation below
# may finish with either
#  tar: a: Cannot write: Broken pipe
# or
#  tar: Child returned status 2

# Discard diagnostics that some shells generate about broken pipes,
# and discard all of tar's diagnostics except for the ones saying "(child)".
# Gzip's exit code is propagated to the shell.  Usually it is 141.
# Convert all non-zero exits to 2 to make it predictable.
(tar -c -f a -z --remove-files b c 2>err || (exit 2) ) 2>/dev/null
EC=$?
sed -n '/(child)/p' err >&2
rm err
find . | sort
exit $EC
],
[2],
[.
./a
./b
./c
],
[tar (child): a: Cannot open: Permission denied
tar (child): Error is not recoverable: exiting now
])

AT_CLEANUP