1.rb

module Fastlane
  class Globals
    def self.captured_output
      unless @captured_output
        @captured_output = ""
      end
      @captured_output
    end
    def self.verbose(flag)
        @verbose = flag
    end
    def self.verbose?
      return @verbose
    end
  end
end

module Ext
  class Mine
    def initialize(state)
      puts "Current: "
      puts Fastlane::Globals.verbose?.inspect
      Fastlane::Globals.verbose(state)
      
    end
    def output
      puts Fastlane::Globals.verbose?.inspect
    end
    def append(str)
      Fastlane::Globals.captured_output << str
    end
  end
end



a = Ext::Mine.new(true)
b = Ext::Mine.new(false)


a.output
a.append("Demo a\n")
b.append("Demo b\n")
Fastlane::Globals.verbose(false)
a.output


puts Fastlane::Globals.captured_output.inspect