cask :v1 => 'opera-beta' do version '31.0.1889.50' sha256 'ec091181a330d276cc68068d79d47549f75d06eab479d5db5728d76dca09a386' url "http://get.geo.opera.com/pub/opera-beta/#{version}/mac/Opera_beta_#{version}_Setup.dmg" homepage 'http://www.opera.com/computer/beta' license :unknown app 'Opera Beta.app' end