#!/bin/sh
#
# vmdk2vdi 1.0 20080207
# by Vicente Aguilar <bisente@bisente.com>
# http://www.bisente.com/blog/2008/02/07/vmware-to-virtual-box-vmdk2vdi/
#
# Converts a VMWare .vmdk disk image into a VirtualBox .vdi one
#
# This script is beerware: If you like it, you owe me a beer. :)
#

QEMUIMG=${QEMUIMG:=/Applications/Q.app/Contents/MacOS/qemu-img}
VDITOOL=${VDITOOL:=/Applications/VirtualBox.app/Contents/MacOS/vditool}
UNAME=${UNAME:=$(uname -s)}

echo "vmdk2dvi 1.0 by Vicente Aguilar <bisente@bisente.com> http://www.bisente.com"
echo

if [ "$UNAME" == "Darwin" ]
then
	if [ ! -f "$QEMUIMG" ]
	then
		echo "Can't find qemu-img."
		echo "Please download and install Q from:"
		echo "http://www.kju-app.org/kju/"
		exit 1
	fi
	if [ ! -f "$VDITOOL" ]
	then
		echo "Can't find vditool."
		echo "Please download and install Virtual Box from:"
		echo "http://www.virtualbox.org/"
		exit 1
	fi	
else
	QEMUIMG="$(which qemu-img)"
	if [ $? -ne 0 ]
	then
		echo "Can't find qemu-img."
		echo "Please download and install qemu from:"
		echo "http://fabrice.bellard.free.fr/qemu/"
		echo "Or use apt-get, yum or whatever your UNIX flavor uses."
		exit 1
	fi
	DVITOOL="$(which dvitool)"
	if [ $? -ne 0 ]
	then
		echo "Can't find vditool."
		echo "Please download and install Virtual Box from:"
		echo "http://www.virtualbox.org/"
		echo "Or use apt-get, yum or whatever your UNIX flavor uses."
		exit 1
	fi
fi

SHRINK=0

if [ "$1" == "-s" ]
then
	SHRINK=1
	shift
fi

if [ $# -lt 2 ]
then
	echo "Error, missing parameters."
	echo "Usage: vmdk2vdi [-s] <in.vmdk> <out.vdi>"
	echo "                 -s  Shrink resulting image" 
	echo
	exit 1
fi

IN=$1
OUT=$2

TEMP=/tmp/vmdk2vdi-$RANDOM.raw

"$QEMUIMG" convert "$IN" "$TEMP"
"$VDITOOL" DD "$OUT" "$TEMP"

rm -rf "$TEMP"

[ $SHRINK ] && "$VDITOOL" SHRINK "$OUT"