$ git clone -n https://gitee.com/src-opencloudos-rpms/gnutls.git /var/lib/mock/dist-oc9-build-175910-79956/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-oc9-build-175910-79956/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin 6503c6a3c956f4d84b202c18969a1f08965c19e0:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnutls
 * [new ref]         6503c6a3c956f4d84b202c18969a1f08965c19e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6503c6a import gnutls-3.8.2-9.tl4