$ git clone -n https://gitee.com/src-opencloudos-rpms/rng-tools /var/lib/mock/dist-oc8-build-58101-15905/root/chroot_tmpdir/scmroot/rng-tools
Cloning into '/var/lib/mock/dist-oc8-build-58101-15905/root/chroot_tmpdir/scmroot/rng-tools'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rng-tools
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f479188 import rng-tools-6.16-1.tl3