cask :v1 => 'onyx' do
  version :latest
  sha256 :no_check

  if MacOS.release == :tiger
    url 'http://www.titanium.free.fr/download/104/OnyX.dmg'
  elsif MacOS.release == :leopard
    url 'http://www.titanium.free.fr/download/105/OnyX.dmg'
  elsif MacOS.release == :snow_leopard
    url 'http://www.titanium.free.fr/download/106/OnyX.dmg'
  elsif MacOS.release == :lion
    url 'http://www.titanium.free.fr/download/107/OnyX.dmg'
  elsif MacOS.release == :mountain_lion
    url 'http://www.titanium.free.fr/download/108/OnyX.dmg'
  elsif MacOS.release == :mavericks
    url 'http://www.titanium.free.fr/download/109/OnyX.dmg'
  elsif MacOS.release == :yosemite
    url 'http://www.titanium.free.fr/download/1010/OnyX.dmg'
  else
    # Unusual case: there is no fall-through.  The software will stop
    # working, or is dangerous to run, on the next OS X release.
  end
  homepage 'http://www.titanium.free.fr/onyx.html'
  license :gratis

  app 'OnyX.app'

  depends_on :macos => %w{
                          :tiger
                          :leopard
                          :snow_leopard
                          :lion
                          :mountain_lion
                          :mavericks
                          :yosemite
                         }

  caveats do
    if [:leopard, :tiger].include?(MacOS.release.to_sym)
      puts 'OnyX only runs from an Administrator account on this version of OS X.'
    end
  end
end