$ git clone -n https://gitee.com/src-opencloudos-rpms/gnutls.git /var/lib/mock/dist-oc9-build-124575-74060/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-oc9-build-124575-74060/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin d5a4b96b87a3697ee0e8542dbbbf70bb62354dbe:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnutls
 * [new ref]         d5a4b96b87a3697ee0e8542dbbbf70bb62354dbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5a4b96 import gnutls-3.8.2-8.tl4