$ git clone -n https://gitee.com/src-opencloudos-rpms/orc.git /var/lib/mock/dist-oc8-build-100134-62902/root/chroot_tmpdir/scmroot/orc
Cloning into '/var/lib/mock/dist-oc8-build-100134-62902/root/chroot_tmpdir/scmroot/orc'...
$ git fetch origin 3459a5cad5426242bc6899db1cf69bc04fddfe1c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/orc
 * [new ref]         3459a5cad5426242bc6899db1cf69bc04fddfe1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3459a5c import orc-0.4.28-4.tl3