$ git clone -n https://gitee.com/src-opencloudos-rpms/rng-tools.git /var/lib/mock/dist-oc8-build-239716-82623/root/chroot_tmpdir/scmroot/rng-tools
Cloning into '/var/lib/mock/dist-oc8-build-239716-82623/root/chroot_tmpdir/scmroot/rng-tools'...
$ git fetch origin 4bb3b4237df8258e281cf468ca233c98e5851490:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rng-tools
 * [new ref]         4bb3b4237df8258e281cf468ca233c98e5851490 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4bb3b42 import rng-tools-6.16-2.tl3