cask :v1 => 'boom1' do version '1.1' sha256 '674a09cddf7b64ec3eab1193820c9807db6e95e59df39437d2ca43ccbeba90c5' url "http://www.globaldelight.com/boom/download/#{version}x/boom.dmg" name 'Boom' homepage 'http://www.globaldelight.com/boom/' license :commercial app 'Boom.app' postflight do # Delete the background image so that it will launch system '/bin/rm', '--', "#{staged_path}/.DMG_Background_new.png" end end