sources (RubiGen::Lookup::ClassMethods)

    # File lib/rubigen/lookup.rb, line 62
          def sources
            if read_inheritable_attribute(:sources).blank?
              if superclass == RubiGen::Base
                superclass_sources = superclass.sources
                diff = superclass_sources.inject([]) do |mem, source|
                  found = false
                  application_sources.each { |app_source| found ||= true if app_source == source}
                  mem << source unless found
                  mem
                end
                write_inheritable_attribute(:sources, diff)
              end
              active.use_component_sources! if read_inheritable_attribute(:sources).blank?
            end
            read_inheritable_attribute(:sources)
          end