$ git clone -n https://gitee.com/src-opencloudos-rpms/rpm.git /var/lib/mock/dist-oc9-build-125685-75249/root/chroot_tmpdir/scmroot/rpm
Cloning into '/var/lib/mock/dist-oc9-build-125685-75249/root/chroot_tmpdir/scmroot/rpm'...
$ git fetch origin b1bb0db04775bb2b52a7c8d12f906566fc5b9bec:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rpm
 * [new ref]         b1bb0db04775bb2b52a7c8d12f906566fc5b9bec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1bb0db import rpm-4.18.2-4.tl4