#!/bin/bash -e
##############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# stefan.k.berg@ericsson.com
# jonas.bjurel@ericsson.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################


my_exit() {

    if [ -d "$ISOROOT" ]; then
        fusermount -u $ISOROOT
    fi
}

ME=$(basename $0)

trap my_exit EXIT


if [ -z "$1" ]; then
  echo "$ME: Error - No package specified"
  exit 1
fi

if [ -z "$2" ]; then
  echo "$ME: Error - No ISO path specified"
  exit 1
fi

DEB=$1
ORIGISO=$2
DEST=package

if [ -e $DEST -o -d $DEST ]; then
  echo "$ME: Error - $DEST already exists"
  exit 1
fi

ISOROOT=`mktemp -d /tmp/XXXXXXX`
fuseiso -p $ORIGISO $ISOROOT
sleep 1

if [ ! -f $ISOROOT/ubuntu/pool/main/$DEB ];then
  echo "Could not find package $DEB in source ISO!"
fi

mkdir -p $DEST
dpkg -x $ISOROOT/ubuntu/pool/main/$DEB $DEST

mkdir -p $DEST/DEBIAN
dpkg -e $ISOROOT/ubuntu/pool/main/$DEB $DEST/DEBIAN

echo $DEB > .package