module Bundler::Thor::Base::ClassMethods

def from_superclass(method, default = nil)
  if self == baseclass || !superclass.respond_to?(method, true)
    default
  else
    value = superclass.send(method)
    # Ruby implements `dup` on Object, but raises a `TypeError`
    # if the method is called on immediates. As a result, we
    # don't have a good way to check whether dup will succeed
    # without calling it and rescuing the TypeError.
    begin
      value.dup
    rescue TypeError
      value
    end
  end
end