3 # Copyright (C) 2007, 2008, 2009 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
24 # If the target device is not a real block device we'll first losetup it.
25 # This is needed for file disks.
26 if [ ! -b $blockdev ]; then
27 ORIGINAL_BLOCKDEV=$blockdev
28 blockdev=$(losetup -sf $blockdev)
29 CLEANUP+=("losetup -d $blockdev")
32 if [ "$PARTITION_STYLE" = "none" ]; then
33 filesystem_dev=$blockdev
34 elif [ "$PARTITION_STYLE" = "msdos" ]; then
35 # Create one big partition, and make it bootable
36 format_disk0 $blockdev
37 filesystem_dev=$(map_disk0 $blockdev)
38 CLEANUP+=("unmap_disk0 $blockdev")
40 echo "Unknown partition style $PARTITION_STYLE"
44 mke2fs -Fjq $filesystem_dev
45 root_uuid=$($VOL_ID $filesystem_dev )
47 if [ -n "$swapdev" ]; then
49 swap_uuid=$($VOL_ID $swapdev || true )
52 TMPDIR=`mktemp -d` || exit 1
53 CLEANUP+=("rmdir $TMPDIR")
55 mount $filesystem_dev $TMPDIR
56 CLEANUP+=("umount $TMPDIR")
58 ( cd $TMPDIR; restore -r -y -f - )
59 rm -f $TMPDIR/etc/udev/rules.d/z*_persistent-net.rules
61 # Fix /etc/fstab with the new volumes' UUIDs
62 if [ -e $TMPDIR/etc/fstab ]; then
63 ROOT_LINE="UUID=$root_uuid / ext3 defaults 0 1"
64 if [ -n "$swapdev" -a -n "$swap_uuid" ]; then
65 SWAP_LINE="UUID=$swap_uuid swap swap defaults 0 0"
66 cat $TMPDIR/etc/fstab | \
67 sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
68 -e "s#^(/dev/sdb|UUID=[a-f0-9-]+)\s+swap\s+.*\$#$SWAP_LINE#" \
69 > $TMPDIR/etc/fstab.new
71 cat $TMPDIR/etc/fstab | \
72 sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
73 > $TMPDIR/etc/fstab.new
75 mv $TMPDIR/etc/fstab.new $TMPDIR/etc/fstab