#!/bin/bash

# arg 1:  the new package version
post_install() {
  EXTPACK="/usr/share/virtualbox/extensions/VNC-svn.vbox-extpack"
  ACCEPT="$(bsdtar --to-stdout -xf "${EXTPACK}" ./ExtPack-license.txt | sha256sum | head --bytes=64)"
  VBoxManage extpack install "${EXTPACK}" --accept-license="${ACCEPT}" >/dev/null
}

# arg 1:  the new package version
# arg 2:  the old package version
pre_upgrade() {
  pre_remove "$2"
}

# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  post_install "$1"
}

# arg 1:  the old package version
pre_remove() {
  VBoxManage extpack uninstall 'VNC' >/dev/null
}

# vim:set ts=2 sw=2 ft=sh et: