cask 'virtualbox-extension-pack' do
  version '5.0.12-104815'
  sha256 'ac1bc8452b7fdf183325272149e9f18b9810cc07adf18e48755385a9cd1b236d'

  url "http://download.virtualbox.org/virtualbox/#{version.sub(%r{-.*}, '')}/Oracle_VM_VirtualBox_Extension_Pack-#{version}.vbox-extpack"
  name 'Oracle VirtualBox Extension Pack'
  homepage 'https://www.virtualbox.org'
  license :closed

  depends_on :cask => 'virtualbox'
  container :type => :naked

  stage_only true

  postflight do
    system 'sudo', 'VBoxManage', 'extpack', 'install', '--replace', "#{staged_path}/Oracle_VM_VirtualBox_Extension_Pack-#{version}.vbox-extpack"
  end

  uninstall_postflight do
    system 'sudo', 'VBoxManage', 'extpack', 'uninstall', 'Oracle VM VirtualBox Extension Pack'
  end
end