class ChefCLI::PolicyfileCompiler

def default_source(source_type = nil, source_argument = nil, &block)
  if source_type.nil?
    prepend_array = if included_policies.length > 0
                      [included_policies_cookbook_source]
                    else
                      []
                    end
    prepend_array + dsl.default_source
  else
    dsl.default_source(source_type, source_argument, &block)
  end
end