docs: function(cfg, callback) {
    // Input dir
    var inputPath = cfg.input_dir;
  
    if (inputPath) {
      new gear.Queue({registry: taskRegistry}) // register tasks
      .log(formatLog('Removing directory:', inputPath))
      .removeDir({input: inputPath}, callback)
      .run(callback);
    } else {
      callback();
    }
  }