docs: def recursive_hardlink_dirs(source_d, destination_d):
      '''
      Same as above, except creating hardlinks for all files
      '''
      func = os.link
      if os.name == 'nt':
          func = shutil.copy
      if os.path.exists(destination_d):
          os.rmdir(destination_d)
      shutil.copytree(source_d, destination_d, copy_function=func)