cask 'unity45' do version '4.5.5' sha256 'e42d3b8e3bc3fbc7448bb06b5210c1c0687ba3f784eb947b4586b9f129c6b0d4' url "http://download.unity3d.com/download_unity/unity-#{version}.dmg" homepage 'http://unity3d.com/unity/' license :commercial pkg 'Unity.pkg' uninstall :pkgutil => 'com.unity3d.*' end