#!/bin/bash
# usage: qemu-mount {imagefile}
# 1st argument: QEMU raw image file

if [ $# -ne 1 ] ; then
  echo 'usage: qemu-mount imagefile'
  echo 'Mounts a QEMU raw image file to /mnt/temp'
  exit 1
fi

start=$( fdisk -l -o Device,Start ${1} | grep "^${1}1" | gawk '{print $2}' )
sectors=$( fdisk -l ${1} | grep '^Units: sectors of' | gawk '{print $(NF-1)}' )
offset=$(( $start * $sectors ))

[ -d /mnt/temp ] || mkdir /mnt/temp
sudo mount -o loop,offset=$offset ${1} /mnt/temp