#!/bin/bash

# !!! WARNING !!!
# DO NOT USE UNLESS YOU KNOW WHAT YOU ARE DOING
# NO PROTECTION FOR SPECIAL CASES INCLUDED
# MIGHT OVERWRITE FILES/HARDDRIVES

NBLOCKS=8192
RAW_IMAGE_FILE=test.img
VMBOX_IMAGE_FILE=test.vmdk
REFIT_ROOT=/Volumes/rEFIt

dd if=/dev/zero of=${RAW_IMAGE_FILE} bs=512 count=${NBLOCKS}
gpt create ${RAW_IMAGE_FILE}
gpt add -t hfs ${RAW_IMAGE_FILE}
HANDLE=$(hdiutil attach -nomount ${RAW_IMAGE_FILE} | grep Apple_HFS | sed 's/ .*//') 
newfs_hfs ${HANDLE}
hdiutil detach ${HANDLE}
MOUNT=$(hdiutil attach  ${RAW_IMAGE_FILE} | grep Apple_HFS | sed 's/.* //') 
ls ${MOUNT}
cp -r ${REFIT_ROOT}/efi/refit/refit.efi ${MOUNT}
bless --folder ${MOUNT} --file ${MOUNT}/refit.efi
ls -lrth ${MOUNT}
bless --info ${MOUNT}
hdiutil detach ${MOUNT}
VBoxManage internalcommands createrawvmdk -filename ${VMBOX_IMAGE_FILE} -rawdisk ${RAW_IMAGE_FILE}