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#!/bin/bash |
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# Copyright (C) 2010 Oregon State University |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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|
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set -e |
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|
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. common.sh |
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|
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debug set -x |
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|
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# If the target device is not a real block device we'll first losetup it. |
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# This is needed for file disks. |
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if [ ! -b $blockdev ]; then |
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ORIGINAL_BLOCKDEV=$blockdev |
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blockdev=$($LOSETUP -sf $blockdev) |
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CLEANUP+=("$LOSETUP -d $blockdev") |
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fi |
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|
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filesystem_dev=$(map_disk0 $blockdev) |
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CLEANUP+=("unmap_disk0 $blockdev") |
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root_dev=$(map_partition $filesystem_dev root) |
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boot_dev=$(map_partition $filesystem_dev boot) |
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|
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TARGET=`mktemp -d` || exit 1 |
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CLEANUP+=("rmdir $TARGET") |
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|
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vol_type_root="$($VOL_TYPE $root_dev)" |
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if [ -n "${boot_dev}" ] ; then |
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vol_type_boot="$($VOL_TYPE $boot_dev)" |
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fi |
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|
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for fs in boot root ; do |
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# use indirect reference to make the variables dynamic |
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dev="$(eval "echo \${$(echo ${fs}_dev)"})" |
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vol_type="$(eval echo \$vol_type_${fs})" |
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if [ -z "$vol_type" ] ; then |
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log_error "Unable to find ${fs} filesystem type at ${dev}" |
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exit 1 |
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fi |
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if [ -n "${dev}" ] ; then |
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if [ "$vol_type" = "ext3" -o "$vol_type" = "ext2" \ |
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-o "$vol_type" = "ext4" ] ; then |
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$DUMP -0 -q -z9 -f ${TARGET}/${fs}.dump $dev |
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CLEANUP+=("rm ${TARGET}/${fs}.dump") |
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else |
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log_error "${fs} is not a supported filesystem. Please use ext{2,3,4}" |
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exit 1 |
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fi |
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fi |
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done |
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|
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( cd $TARGET ; tar -cf - . ) |
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|
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# execute cleanups |
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cleanup |
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trap - EXIT |
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|
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exit 0 |