cask 'virtualbox-extension-pack-beta' do
  version '5.1.10,112026'
  sha256 '3982657fd4853bcbc79b9162e618545a479b65aca08e9ced43a904aeeba3ffa5'

  url "http://download.virtualbox.org/virtualbox/#{version.before_comma}/Oracle_VM_VirtualBox_Extension_Pack-#{version.before_comma}-#{version.after_comma}.vbox-extpack"
  name 'Oracle VirtualBox Extension Pack'
  homepage 'https://www.virtualbox.org/'

  depends_on cask: 'virtualbox-beta'
  container type: :naked

  stage_only true

  postflight do
    system_command '/usr/local/bin/VBoxManage',
                   args: [
                           'extpack', 'install',
                           '--replace', "#{staged_path}/Oracle_VM_VirtualBox_Extension_Pack-#{version.before_comma}-#{version.after_comma}.vbox-extpack"
                         ],
                   sudo: true
  end

  uninstall_postflight do
    system_command '/usr/local/bin/VBoxManage',
                   args: [
                           'extpack', 'uninstall',
                           'Oracle VM VirtualBox Extension Pack'
                         ],
                   sudo: true
  end
end