code: def addcomment(self, comment, private=False):
          
          # Note: fedora bodhi uses this function
          vals = self.bugzilla.build_update(comment=comment,
                                            comment_private=private)
          log.debug("addcomment: update=%s", vals)
  
          return self.bugzilla.update_bugs(self.bug_id, vals)
docs: Add the given comment to this bug. Set private to True to mark this
          comment as private.