custom compass compiled css filename

compass.bat

@ruby.exe -x "%~dpnx0" %*
goto :eof

#!ruby
module Compass
  module Actions
  end
end
require "compass/compiler"
module Compass
  class Compiler
    def css_files
      sass_files.map{|sass_file| corresponding_css_file(sass_file)}
    end
    def corresponding_css_file(sass_file)
      "#{to}/#{stylesheet_name(sass_file)}.s.css"
    end
  end
end

gem 'compass'
load Gem.bin_path('compass', 'compass')