$ git clone -n https://gitee.com/src-opencloudos-rpms/gnutls.git /var/lib/mock/dist-oc9-build-123562-73012/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-oc9-build-123562-73012/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin 325b52f85a4d6a4b3dfc5f89f3e10bb0fc59c08e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnutls
 * [new ref]         325b52f85a4d6a4b3dfc5f89f3e10bb0fc59c08e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 325b52f import gnutls-3.8.2-7.tl4