$ git clone -n https://gitee.com/zhoujiajia111/gnutls.git /var/lib/mock/dist-an23-build-451899-73482/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-an23-build-451899-73482/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin a66fc74949e9704b6526f5770c1018b4dfab7ae8:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/gnutls
 * [new ref]         a66fc74949e9704b6526f5770c1018b4dfab7ae8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a66fc74 add patch to fix cve