#!/bin/sh
#set -e

version="#VERSION#"
hash="cab1abad478679fc34a0c5cb4a6d3566edc20e3c54cbed39c8e895d8cfad3ee2"
file="Oracle_VM_VirtualBox_Extension_Pack-${version}.vbox-extpack"
accept_license="33d7284dc4a0ece381196fda3cfe2ed0e1e8e7ed7f27b9a9ebc4ee22e24bd23c"

error ()
{
	if [ "${1}" = "hash" ] ; then
		echo "Hash mismatch ${file}: expected ${hash}, removing the file."
		rm -f ${file}
	elif [ "${1}" = "install" ]; then
		echo "Installation error: License key incorrect or unknown problem during installation."
	fi
	exit 1
}

# Source debconf library.
. /usr/share/debconf/confmodule

if [ "${1}" = "configure" ] ; then
	sharedir="/usr/share/virtualbox-ext-pack"
	cachedir="/var/cache/virtualbox-ext-pack"
	if [ -f ${sharedir}/${file} ]; then
		echo "installing pre-downloaded file from ${sharedir}"
		cd ${sharedir}
	else
		cd ${cachedir}
		echo "virtualbox-ext-pack: downloading: https://download.virtualbox.org/virtualbox/${version}/${file}"
		echo "The file will be downloaded into ${cachedir}"
		/usr/bin/wget -q -N https://download.virtualbox.org/virtualbox/${version}/${file}
	fi
	echo "${hash} ${file}" | sha256sum -c > /dev/null 2>&1 || error hash
	vboxmanage extpack install --replace --accept-license=${accept_license} ${file} || error install
fi

#DEBHELPER#