code: def extra_symlinked_files(self, potential_symlinks):
          
          for key in list(potential_symlinks):
              location = os.path.join(self.root_folder, key.path)
              real_location = os.path.realpath(location)
  
              if os.path.islink(location) and os.path.isdir(real_location):
                  for root, dirs, files in os.walk(real_location, followlinks=True):
                      for name in files:
                          # So this is joining the name of the symlink
                          # With the name of the file, relative to the real location of the symlink
                          full_path = os.path.join(root, name)
                          rel_location = os.path.relpath(full_path, real_location)
                          symlinkd_path = os.path.join(key.path, rel_location)
  
                          # We then get that relative to the parent dir
                          dir_part = os.path.relpath(root, real_location)
                          symlinkd_relpath = os.path.normpath(os.path.join(key.relpath, dir_part, name))
  
                          # And we need the original file location so we can get a commit time for the symlinkd path
                          real_path = os.path.realpath(full_path)
                          real_root_folder = os.path.realpath(self.root_folder)
                          real_relpath = os.path.relpath(real_path, real_root_folder)
  
                          # So that's path relative to root_folder, path relative to parent_folder
                          # and path relative to root for the target
                          yield SymlinkdPath(symlinkd_path, symlinkd_relpath, real_relpath)
docs: Find any symlinkd folders and yield SymlinkdPath objects for each file
          that is found under the symlink.