$ git clone -n https://gitee.com/src-opencloudos-rpms/rng-tools.git /var/lib/mock/dist-oc9-build-72516-47829/root/chroot_tmpdir/scmroot/rng-tools
Cloning into '/var/lib/mock/dist-oc9-build-72516-47829/root/chroot_tmpdir/scmroot/rng-tools'...
$ git fetch origin 511989b15e99b80caa32fd9c80e2209fdcb5bded:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rng-tools
 * [new ref]         511989b15e99b80caa32fd9c80e2209fdcb5bded -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 511989b import rng-tools-6.16-4.tl4