cask 'firefox-beta-en-gb' do version '47.0b6' sha256 '505ba6807f65308a0c13d9fcc4e095a2454f14881af944d918bcb1a50b051d69' url "https://download.mozilla.org/?product=firefox-#{version}-SSL&os=osx&lang=en-GB" name 'Mozilla Firefox' homepage 'https://www.mozilla.org/en-GB/firefox/beta/' license :mpl app 'Firefox.app' zap delete: [ '~/Library/Application Support/Firefox', '~/Library/Caches/Firefox', ] end