docs: def abspath(fpath):
      """Returns the absolute path to the specified file/folder *relative to the
      repository root*.
  
      Args:
          fpath (str): path to a file or folder; doesn't need to exist.
      """
      from os import path, getcwd, chdir
      original = getcwd()
      chdir(reporoot)
      result = path.abspath(path.expanduser(fpath))
      chdir(original)
      return result