docs: def set_tag(self, project, repository, tag_name, commit_revision, description=None):
          """
          Creates a tag using the information provided in the {@link RestCreateTagRequest request}
          The authenticated user must have REPO_WRITE permission for the context repository to call this resource.
          :param project:
          :param repository:
          :param tag_name:
          :param commit_revision: commit hash
          :param description: OPTIONAL:
          :return:
          """
          url = 'rest/api/1.0/projects/{project}/repos/{repository}/tags'.format(project=project,
                                                                                 repository=repository)
          body = {}
          if tag_name is not None:
              body['name'] = tag_name
          if tag_name is not None:
              body['startPoint'] = commit_revision
          if tag_name is not None:
              body['message'] = description
          return self.post(url, data=body)