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#!/bin/bash
# Copyright (C) 2007, 2008, 2009 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
set -e
. common.sh
# If the target device is not a real block device we'll first losetup it.
# This is needed for file disks.
if [ ! -b $blockdev ]; then
ORIGINAL_BLOCKDEV=$blockdev
blockdev=$(losetup --show -f $blockdev)
CLEANUP+=("losetup -d $blockdev")
fi
if [ "$PARTITION_STYLE" = "none" ]; then
filesystem_dev=$blockdev
elif [ "$PARTITION_STYLE" = "msdos" ]; then
# Create one big partition, and make it bootable
format_disk0 $blockdev
filesystem_dev=$(map_disk0 $blockdev)
CLEANUP+=("unmap_disk0 $blockdev")
else
echo "Unknown partition style $PARTITION_STYLE"
exit 1
fi
mke2fs -Fjqt $OSP_FILESYSTEM $filesystem_dev
root_uuid=$($VOL_ID $filesystem_dev )
if [ -n "$swapdev" ]; then
mkswap $swapdev
swap_uuid=$($VOL_ID $swapdev || true )
fi
TMPDIR=`mktemp -d` || exit 1
CLEANUP+=("rmdir $TMPDIR")
mount $filesystem_dev $TMPDIR
CLEANUP+=("umount $TMPDIR")
( cd $TMPDIR; restore -r -y -f - )
rm -f $TMPDIR/etc/udev/rules.d/z*_persistent-net.rules
# Fix /etc/fstab with the new volumes' UUIDs
if [ -e $TMPDIR/etc/fstab ]; then
ROOT_LINE="UUID=$root_uuid / $OSP_FILESYSTEM defaults 0 1"
if [ -n "$swapdev" -a -n "$swap_uuid" ]; then
SWAP_LINE="UUID=$swap_uuid swap swap defaults 0 0"
cat $TMPDIR/etc/fstab | \
sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
-e "s#^(/dev/sdb|UUID=[a-f0-9-]+)\s+swap\s+.*\$#$SWAP_LINE#" \
> $TMPDIR/etc/fstab.new
else
cat $TMPDIR/etc/fstab | \
sed -re "s#^(/dev/sda|UUID=[a-f0-9-]+)\s+/\s+.*\$#$ROOT_LINE#" \
> $TMPDIR/etc/fstab.new
fi
mv $TMPDIR/etc/fstab.new $TMPDIR/etc/fstab
fi
# execute cleanups
cleanup
trap - EXIT
exit 0
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