sass_template_handler.rb

module ActionView
  module Template::Handlers
    class ErSass < ERB  
      def compile(template, local_assigns = {})
        erbsrc = "<% __in_erb_template=true %>#{template.source}"
        erboutput = self.class.erb_implementation.new(erbsrc, :trim => (self.class.erb_trim_mode == "-")).src
        erboutput + ";Sass::Engine.new(@output_buffer.to_s, {:load_paths => ['.', 'app/stylesheets']}).render"
      end
    end
  end
end

ActionView::Template.register_template_handler :sass, ActionView::Template::Handlers::ErSass