runqemu-addptable2image

#!/bin/sh

# Add a partition table to an ext2 image file
#
# Copyright (C) 2006-2007 OpenedHand Ltd.
#
# SPDX-License-Identifier: GPL-2.0-or-later
#

IMAGE=$1
IMAGEOUT=$2

echo $IMAGE
echo $IMAGEOUT

size=`ls -l $IMAGE | awk '{ print $5}'`
size2=`expr $size / 512 / 16 / 63`

echo $size
echo $size2

# MBR Size = 512 * 63 bytes
dd if=/dev/zero of=$IMAGEOUT count=63

echo "x" > /tmp/fdisk.cmds
echo "c" >> /tmp/fdisk.cmds
echo "1024" >> /tmp/fdisk.cmds
echo "h" >> /tmp/fdisk.cmds
echo "16" >> /tmp/fdisk.cmds
echo "r" >> /tmp/fdisk.cmds
echo "n" >> /tmp/fdisk.cmds
echo "p" >> /tmp/fdisk.cmds
echo "1" >> /tmp/fdisk.cmds
echo "1" >> /tmp/fdisk.cmds
echo "$size2" >> /tmp/fdisk.cmds
echo "w" >> /tmp/fdisk.cmds

/sbin/fdisk $IMAGEOUT < /tmp/fdisk.cmds
cat $IMAGE >> $IMAGEOUT