3 # Copyright (C) 2007 Google Inc.
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.
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.
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
25 root_uuid=$($VOL_ID -u $blockdev )
26 if [ -n "$swapdev" ]; then
28 swap_uuid=$($VOL_ID -u $swapdev )
31 TMPDIR=`mktemp -d` || exit 1
32 trap "umount $TMPDIR; rmdir $TMPDIR" EXIT
34 # If it's not a block device try to mount it via loopback device.
35 # This is needed for file disks.
37 if [ ! -b $blockdev ]; then
38 MOUNT_OPTIONS="$MOUNT_OPTIONS -o loop"
40 mount $MOUNT_OPTIONS $blockdev $TMPDIR
42 ( cd $TMPDIR; restore -r -y -f - )
43 rm -f $TMPDIR/etc/udev/rules.d/z25_persistent-net.rules
45 # Fix /etc/fstab with the new volumes' UUIDs
46 if [ -e $TMPDIR/etc/fstab ]; then
47 ROOT_LINE="UUID=$root_uuid / ext3 defaults 0 1"
48 if [ -n "$swapdev" ]; then
49 SWAP_LINE="UUID=$swap_uuid swap swap defaults 0 0"
50 cat $TMPDIR/etc/fstab | \
51 sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
52 -re "s#^(/dev/sdb|UUID=[a-f0-9-]+)\s+swap\s+.*\$#$SWAP_LINE#" \
53 > $TMPDIR/etc/fstab.new
55 cat $TMPDIR/etc/fstab | \
56 sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
57 > $TMPDIR/etc/fstab.new
59 mv $TMPDIR/etc/fstab.new $TMPDIR/etc/fstab