global

def cachebust_generated_images(path)
  generated_images_dir = Compass.configuration.generated_images_dir
  generated_images_dir = Rails.root.join(generated_images_dir)
  sprockets_env = options[:sprockets][:environment]
  if sprockets_env.respond_to?(:trail, true)
    sprockets_trail = sprockets_env.send(:trail)
  else
    sprockets_trail = sprockets_env.index
  end
  sprockets_entries = sprockets_trail.instance_variable_get(:@entries) || {}
  sprockets_stats   = sprockets_trail.instance_variable_get(:@stats) || {}
  if sprockets_entries.key?(generated_images_dir.to_s)
    path = path.value
    dir  = File.dirname(path)
    # Delete the entries (directories) which cache the files/dirs in a directory
    entry = generated_images_dir.join(dir).to_s
    sprockets_entries.delete(entry)
    # Delete the stats (file/dir info) which cache the what kind of file/dir each image is
    stat = generated_images_dir.join(path).to_s
    sprockets_stats.delete(stat)
  end
end