   was not printed yet.
   """
   def print_app do
-    if name = Mix.Shell.printable_app_name do
-      send self(), {:mix_shell, :info, ["==> #{name}"]}
+    if name = Mix.Shell.printable_app_name() do
+      send(self(), {:mix_shell, :info, ["==> #{name}"]})
     end
   end
 

  """
  def info(message) do
    print_app()
    send self(), {:mix_shell, :info, [format(message)]}
    :ok
  end


  """
  def yes?(message) do
    print_app()
    send(self(), {:mix_shell, :yes?, [message]})

    receive do
      {:mix_shell_input, :yes?, response} -> response
