local(command, { stdout, stderr, ...cmdOptions } = {}) {
    this.log('Running "%s" on local.', command)
    const prefix = '@ '
    return exec(command, cmdOptions, child => {
      if (this.options.stdout)
        child.stdout.pipe(new LineWrapper({ prefix })).pipe(this.options.stdout)

      if (this.options.stderr)
        child.stderr.pipe(new LineWrapper({ prefix })).pipe(this.options.stderr)
    })
  }
Run a command locally.

@param {string} command
@param {object} options
@returns {ChildObject}