cask 'firefox-beta' do version '48.0b6' sha256 '6aee3ce3b9bc2509d75d52120480915bd2f11d40df40c23f8ad2bc95691e4818' url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=en-US" name 'Mozilla Firefox' homepage 'https://www.mozilla.org/en-US/firefox/channel/#beta' license :mpl app 'Firefox.app' zap delete: [ '~/Library/Application Support/Firefox', '~/Library/Caches/Firefox', ] end