1#!/usr/bin/env bash
2#
3# Test qemu-img rebase with zero clusters
4#
5# Copyright (C) 2013 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=pbonzini@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31    _cleanup_test_img
32    rm -f "$TEST_IMG.old"
33    rm -f "$TEST_IMG.new"
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40
41_supported_fmt qcow2 qed
42_supported_proto file
43
44if test "$IMGFMT" = qcow2 && test $IMGOPTS = ""; then
45  IMGOPTS=compat=1.1
46fi
47
48echo
49echo "== Creating images =="
50
51TEST_IMG_SAVE="$TEST_IMG"
52TEST_IMG="$TEST_IMG.old"
53
54size=10M
55_make_test_img $size
56$QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io
57
58TEST_IMG="$TEST_IMG_SAVE.new"
59
60_make_test_img $size
61$QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io
62
63TEST_IMG="$TEST_IMG_SAVE"
64
65_make_test_img -b "$TEST_IMG.old" $size
66$QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io
67
68echo
69echo "== Rebasing the image =="
70
71$QEMU_IMG rebase -b "$TEST_IMG.new" "$TEST_IMG"
72$QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io
73
74# success, all done
75echo "*** done"
76rm -f $seq.full
77status=0
78