docs: def export(self, location):
          """Export the Bazaar repository at the url to the destination location"""
          temp_dir = tempfile.mkdtemp('-export', 'pip-')
          self.unpack(temp_dir)
          if os.path.exists(location):
              # Remove the location to make sure Bazaar can export it correctly
              rmtree(location)
          try:
              call_subprocess([self.cmd, 'export', location], cwd=temp_dir,
                              filter_stdout=self._filter, show_stdout=False)
          finally:
              rmtree(temp_dir)