cask :v1 => 'firefox-nightly' do version '41.0a1' sha256 :no_check # required as upstream package is updated in-place url "https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/firefox-#{version}.en-US.mac.dmg" homepage 'https://nightly.mozilla.org/' license :mpl tags :vendor => 'Mozilla' app 'FirefoxNightly.app' end