twbs--bootstrap-sass/tasks/converter/fonts_conversion.rb

class Converter
  module FontsConversion
    def process_font_assets
      log_status 'Processing fonts...'
      files   = read_files('fonts', bootstrap_font_files)
      save_to = @save_to[:fonts]
      files.each do |name, content|
        save_file "#{save_to}/#{name}", content
      end
    end

    def bootstrap_font_files
      @bootstrap_font_files ||= get_paths_by_type('fonts', /\.(eot|svg|ttf|woff)$/)
    end
  end
end