cask :v1 => 'avast' do version :latest sha256 :no_check url 'http://download.ff.avast.com/mac/avast_free_antivirus_mac_setup.dmg' homepage 'http://www.avast.com/' license :commercial pkg 'Avast Mac Security.pkg' uninstall :script => '/Library/Application Support/Avast/hub/uninstall.sh' end