expanded

# File railties/lib/rails/paths.rb, line 201
      def expanded
        raise "You need to set a path root" unless @root.path
        result = []

        each do |path|
          path = File.expand_path(path, @root.path)

          if @glob && File.directory?(path)
            result.concat files_in(path)
          else
            result << path
          end
        end

        result.uniq!
        result
      end