class RuboCop::ConfigStore

def for(file_or_dir)
  return @options_config if @options_config
  dir = if File.directory?(file_or_dir)
          file_or_dir
        else
          File.dirname(file_or_dir)
        end
  @path_cache[dir] ||= ConfigLoader.configuration_file_for(dir)
  path = @path_cache[dir]
  @object_cache[path] ||= begin
                            print "For #{dir}: " if ConfigLoader.debug?
                            ConfigLoader.configuration_from_file(path)
                          end
end