cask :v1 => 'firefox-esr' do version '38.0.1' sha256 '04bda1d76edc6d92faf418f464f969067fa73e4f0b52d966363db6af18ccd274' url "https://download.mozilla.org/?product=firefox-#{version}esr-SSL&os=osx&lang=en-US" homepage 'https://www.mozilla.org/en-US/firefox/organizations/' license :mpl tags :vendor => 'Mozilla' app 'Firefox.app' end