docs: def get_disk_usage(path):
      """
      Returns the allocated disk space for the given path in bytes.
  
      :param path: String representing the path as it would be given to the `du`
        command. Best to give an absolute path here.
  
      """
      cmd = 'du -sh --block-size=1 {0}'.format(path)
      total = getoutput(cmd).split()[0]
      return int(total)