def current_revision
      @_current_revision ||= File.open(
        File.join(
          RackCommitStats.config.file_path_prefix, REVISION_LOG_FILE
        ), 'r'
      ).readlines.last.split
    end
def current_revision
      @_current_revision ||= File.open(
        File.join(
          RackCommitStats.config.file_path_prefix, REVISION_LOG_FILE
        ), 'r'
      ).readlines.last.split
    end
Private: Gets the current revision from a Capistrano deployment log.