cask 'firefox-nightly' do version '47.0a1' sha256 :no_check # required as upstream package is updated in-place url "https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central/firefox-#{version}.en-US.mac.dmg" name 'Mozilla Firefox' homepage 'https://nightly.mozilla.org/' license :mpl app 'FirefoxNightly.app' zap delete: [ '~/Library/Application Support/Firefox', '~/Library/Caches/Firefox', ] end