# File lib/compass/sass_extensions/monkey_patches/stylesheet_updating.rb, line 12
      def exact_stylesheet_needs_update?(css_file, template_file)
        if !File.exists?(css_file)
          return true
        else
          css_mtime = File.mtime(css_file)
          File.mtime(template_file) > css_mtime ||
            dependencies(template_file).any?(&dependency_updated?(css_mtime))
        end
      end