docs: def untar_to_directory(tarfile: str,
                         directory: str,
                         verbose: bool = False,
                         gzipped: bool = False,
                         skip_if_dir_exists: bool = True,
                         run_func: Callable[[List[str]], Any] = None,
                         chdir_via_python: bool = True) -> None:
      """
      Unpacks a TAR file into a specified directory.
  
      Args:
          tarfile: filename of the ``.tar`` file
          directory: destination directory
          verbose: be verbose?
          gzipped: is the ``.tar`` also gzipped, e.g. a ``.tar.gz`` file?
          skip_if_dir_exists: don't do anything if the destrination directory
              exists?
          run_func: function to use to call an external command
          chdir_via_python: change directory via Python, not via ``tar``.
              Consider using this via Windows, because Cygwin ``tar`` v1.29 falls
              over when given a Windows path for its ``-C`` (or ``--directory``)
              option.
      """
      if skip_if_dir_exists and os.path.isdir(directory):
          log.info("Skipping extraction of {} as directory {} exists",
                   tarfile, directory)
          return
      log.info("Extracting {} -> {}", tarfile, directory)
      require_executable(TAR)
      mkdir_p(directory)
      args = [TAR, "-x"]  # -x: extract
      if verbose:
          args.append("-v")  # -v: verbose
      if gzipped:
          args.append("-z")  # -z: decompress using gzip
      if platform.system() != "Darwin":  # OS/X tar doesn't support --force-local
          args.append("--force-local")  # allows filenames with colons in (Windows!)  # noqa
      args.extend(["-f", tarfile])  # -f: filename follows
      if chdir_via_python:
          with pushd(directory):
              run_func(args)
      else:
          # chdir via tar
          args.extend(["-C", directory])  # -C: change to directory
          run_func(args)