tar/tests/sigpipe.at

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

# Test suite for GNU tar.
# Copyright 2010-2023 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([sigpipe handling])
AT_KEYWORDS([sigpipe])

# Description: Tar 1.23 ignored sigpipe which lead to spurious "write
# error" diagnostics when piping output to another programs.
# Reported-by: "Dmitry V. Levin" <[email protected]>
# References: http://lists.gnu.org/archive/html/bug-tar/2010-03/msg00039.html
#             <[email protected]>

AT_CHECK([
AT_SIGPIPE_PREREQ

genfile --length 2048 --file first
genfile --length 2048 --file second
genfile --length 2049 --file third

tar cf archive first second third

# Discard diagnostics that some shells generate about broken pipes.
(tar tf archive 2>&3 | :) 3>&2 2>/dev/null
],
[0])

AT_CLEANUP