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

# Test suite for GNU tar.
# Copyright 2005-2019 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([sparse files in MV archives])
AT_KEYWORDS([sparse multiv sparsemv])

# Check if sparse files are correctly split between GNU multi-volume
# archives.
# There are two cases: the file can be split within an empty (null) block,
# or within a data block. Since null blocks are not archived, the first
# case means the file is split between two consecutive data blocks.
#

AT_TAR_CHECK([
exec <&-
TAR_OPTIONS="$TAR_OPTIONS --hole-detection=raw"
genfile --sparse --file sparsefile 0 ABCDEFGHIJK 1M ABCDEFGHI || AT_SKIP_TEST
echo "Pass 1: Split between data blocks"
echo "Create archive"
tar --sparse -c --record-size=512 -M -L6 -f arc.1 -f arc.2 sparsefile || exit 1
echo "Test archive"
tar --record-size=512 -t -M -f arc.1 -f arc.2
echo "Compare archive"
tar --record-size=512 -d -M -f arc.1 -f arc.2

echo "Pass 2: Split within a data block"
genfile --sparse --file sparsefile 0 ABCDEFGHIJ 1M ABCDEFGHI || AT_SKIP_TEST
echo "Create archive"
tar --sparse -c --record-size=512 -M -L6 -f arc.1 -f arc.2 sparsefile || exit 1
echo "Test archive"
tar --record-size=512 -t -M -f arc.1 -f arc.2
echo "Compare archive"
tar --record-size=512 -d -M -f arc.1 -f arc.2
],
[0],
[Pass 1: Split between data blocks
Create archive
Test archive
sparsefile
Compare archive
Pass 2: Split within a data block
Create archive
Test archive
sparsefile
Compare archive
],
[],[],[],[gnu, oldgnu])

AT_CLEANUP