$ git clone -n https://gitee.com/zzrun66/koji /var/lib/mock/dist-oc9-webui-build-67604-46336/root/chroot_tmpdir/scmroot/koji
Cloning into '/var/lib/mock/dist-oc9-webui-build-67604-46336/root/chroot_tmpdir/scmroot/koji'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/zzrun66/koji
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f44eaa9 rebuild