module ChefSpec::Extensions::Chef::Resource

def dup
  return super unless $CHEFSPEC_MODE
  # Also here be dragons.
  super.tap do |dup_resource|
    # We're directly inside a load_current_resource, which is probably via
    # the load_current_value DSL system, so call this a current resource.
    ChefSpec::API::StubsFor.setup_stubs_for(dup_resource, :current_value) if caller.any? { |x| x.include?("`load_current_resource'") || x.include?("`load_after_resource'") }
  end
end