cask 'thunderbird-beta' do version '45.1b1' sha256 '5a345899cd55433a0d22ba060afbd40f936922f967fe3db491344053394519da' url "https://download.mozilla.org/?product=thunderbird-#{version}&os=osx&lang=en-US" name 'Mozilla Thunderbird' homepage 'https://www.mozilla.org/en-US/thunderbird/all-beta.html' license :mpl app 'Thunderbird.app' end