code: def remove(ctx, client, sources):
      
      from renku.api._git import _expand_directories
  
      def fmt_path(path):
          """Format path as relative to the client path."""
          return str(Path(path).absolute().relative_to(client.path))
  
      files = {
          fmt_path(source): fmt_path(file_or_dir)
          for file_or_dir in sources
          for source in _expand_directories((file_or_dir, ))
      }
  
      # 1. Update dataset metadata files.
      with progressbar(
          client.datasets.values(),
          item_show_func=lambda item: str(item.short_id) if item else '',
          label='Updating dataset metadata',
          width=0,
      ) as bar:
          for dataset in bar:
              remove = []
              for key, file_ in dataset.files.items():
                  filepath = fmt_path(file_.full_path)
                  if filepath in files:
                      remove.append(key)
  
              if remove:
                  for key in remove:
                      dataset.unlink_file(key)
  
                  dataset.to_yaml()
  
      # 2. Manage .gitattributes for external storage.
      tracked = tuple(
          path for path, attr in client.find_attr(*files).items()
          if attr.get('filter') == 'lfs'
      )
      client.untrack_paths_from_storage(*tracked)
      existing = client.find_attr(*tracked)
      if existing:
          click.echo(WARNING + 'There are custom .gitattributes.\n')
          if click.confirm(
              'Do you want to edit ".gitattributes" now?', default=False
          ):
              click.edit(filename=str(client.path / '.gitattributes'))
  
      # Finally remove the files.
      final_sources = list(set(files.values()))
      if final_sources:
          run(['git', 'rm', '-rf'] + final_sources, check=True)
docs: Remove files and check repository for potential problems.