docs: def fork_repository(self, project, repository, new_repository):
          """
          Forks a repository within the same project.
          :param project:
          :param repository:
          :param new_repository:
          :return:
          """
          url = 'rest/api/1.0/projects/{project}/repos/{repository}'.format(project=project,
                                                                            repository=repository)
          body = {}
          if new_repository is not None:
              body['name'] = new_repository
          if new_repository is not None:
              body['project'] = {'key': project}
          return self.post(url, data=body)