$ git clone -n https://gitee.com/zhoujiajia111/gnutls.git /var/lib/mock/dist-an23-build-452121-73500/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-an23-build-452121-73500/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin b31ffe2c5cbca139c46fa57ac20d150d79e20f12:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/gnutls
 * [new ref]         b31ffe2c5cbca139c46fa57ac20d150d79e20f12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b31ffe2 fix cve