module Homebrew module MissingFormula class << self def blacklisted_reason(name) case name.downcase when "xcode" if MacOS.version >= :lion <<~EOS Xcode can be installed from the App Store. EOS else <<~EOS Xcode can be installed from #{Formatter.url("https://developer.apple.com/download/more/")}. EOS end else generic_blacklisted_reason(name) end end end end end