# 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/>.

# Tar up to 1.26 was unable to cope with directories that had once
# been part of the dumped system and became separate mount points
# afterwards.  The bug has been reported by Nathan Stratton Treadway,
# who also proposed a fix and a testcase, on which the present one is
# built.
# Reported-by: Nathan Stratton Treadway <nathanst+bugtar@ontko.com>
# Last-Affected-Version: 1.26
# References: <20120527212417.GR2654@shire.ontko.com>
#         http://lists.gnu.org/archive/html/bug-tar/2012-05/msg00022.html

# This testcase is Linux-specific and requires root privileges.

AT_SETUP([--listed-incremental and remounted directories])
AT_KEYWORDS([listed incremental listed05 chdir])

AT_TAR_CHECK([
AT_CHECK_TIMESTAMP
AT_PRIVILEGED_PREREQ
options="-C tartest --create --one-file-system --verbose"
rm -rf archive-[01].snar archive-[01].tar tartest subdir

# Create initial structure
mkdir tartest
echo "hi" > tartest/top-level-file
mkdir tartest/subdir
echo "hi" > tartest/subdir/subdir-file

echo "# Level 0"
tar $options --file archive-0.tar --listed-incremental=archive-0.snar .

echo "# Remount"
mv tartest/subdir .
mkdir tartest/subdir
mount -t ramfs none tartest/subdir || AT_SKIP_TEST
tar -C subdir -c -f - . | tar -C tartest/subdir -x -f -

echo "# Level 1"
cp archive-0.snar archive-1.snar
tar $options --file archive-1.tar --listed-incremental=archive-1.snar .

umount tartest/subdir
],
[0],
[# Level 0
./
./subdir/
./top-level-file
./subdir/subdir-file
# Remount
# Level 1
./
./subdir/
],
[tar: .: Directory is new
tar: ./subdir: Directory is new
tar: ./subdir: directory is on a different filesystem; not dumped
],[],[],[gnu])

AT_CLEANUP