$ git clone -n https://gitee.com/src-opencloudos-rpms/gnutls.git /var/lib/mock/dist-oc9-build-239536-82597/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-oc9-build-239536-82597/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin 006a4f402b1c8e088c0cc025037ac5233177168b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnutls
 * [new ref]         006a4f402b1c8e088c0cc025037ac5233177168b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 006a4f4 import gnutls-3.8.2-12.tl4