root / export @ 77449e7c
History | View | Annotate | Download (2 kB)
1 |
#!/bin/bash |
---|---|
2 |
|
3 |
# Copyright (C) 2010 Oregon State University |
4 |
# |
5 |
# This program is free software; you can redistribute it and/or modify |
6 |
# it under the terms of the GNU General Public License as published by |
7 |
# the Free Software Foundation; either version 2 of the License, or |
8 |
# (at your option) any later version. |
9 |
# |
10 |
# This program is distributed in the hope that it will be useful, but |
11 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 |
# General Public License for more details. |
14 |
# |
15 |
# You should have received a copy of the GNU General Public License |
16 |
# along with this program; if not, write to the Free Software |
17 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 |
# 02110-1301, USA. |
19 |
|
20 |
set -e |
21 |
|
22 |
. common.sh |
23 |
|
24 |
debug set -x |
25 |
|
26 |
# If the target device is not a real block device we'll first losetup it. |
27 |
# This is needed for file disks. |
28 |
if [ ! -b $blockdev ]; then |
29 |
ORIGINAL_BLOCKDEV=$blockdev |
30 |
blockdev=$($LOSETUP -sf $blockdev) |
31 |
CLEANUP+=("$LOSETUP -d $blockdev") |
32 |
fi |
33 |
|
34 |
filesystem_base_dev=$(map_disk0 $blockdev) |
35 |
CLEANUP+=("unmap_disk0 $blockdev") |
36 |
|
37 |
TARGET=`mktemp -d` || exit 1 |
38 |
CLEANUP+=("rmdir $TARGET") |
39 |
|
40 |
vol_type_root="$($VOL_TYPE $root_dev)" |
41 |
if [ -n "${boot_dev}" ] ; then |
42 |
vol_type_boot="$($VOL_TYPE $boot_dev)" |
43 |
fi |
44 |
|
45 |
for fs in boot root ; do |
46 |
# use indirect reference to make the variables dynamic |
47 |
dev="$(eval "echo \${$(echo ${fs}_dev)"})" |
48 |
vol_type="$(eval echo \$vol_type_${fs})" |
49 |
if [ -z "$vol_type" ] ; then |
50 |
log_error "Unable to find ${fs} filesystem type at ${dev}" |
51 |
exit 1 |
52 |
fi |
53 |
if [ -n "${dev}" ] ; then |
54 |
if [ "$vol_type" = "ext3" -o "$vol_type" = "ext2" \ |
55 |
-o "$vol_type" = "ext4" ] ; then |
56 |
$DUMP -0 -q -z9 -f ${TARGET}/${fs}.dump $dev |
57 |
CLEANUP+=("rm ${TARGET}/${fs}.dump") |
58 |
else |
59 |
log_error "${fs} is not a supported filesystem. Please use ext{2,3,4}" |
60 |
exit 1 |
61 |
fi |
62 |
fi |
63 |
done |
64 |
|
65 |
( cd $TARGET ; tar -cf - . ) |
66 |
|
67 |
# execute cleanups |
68 |
cleanup |
69 |
trap - EXIT |
70 |
|
71 |
exit 0 |