$ git clone -n https://gitee.com/src-opencloudos-rpms/gnutls.git /var/lib/mock/dist-oc9-build-118271-69132/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-oc9-build-118271-69132/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin 1655e6f0f822f93fde006d44b9ad8cfdaf2f5f6e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnutls
 * [new ref]         1655e6f0f822f93fde006d44b9ad8cfdaf2f5f6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1655e6f import gnutls-3.8.2-5.tl4