$ git clone -n https://gitee.com/src-opencloudos-rpms/python-betamax.git /var/lib/mock/dist-oc9-build-44227-14591/root/chroot_tmpdir/scmroot/python-betamax
Cloning into '/var/lib/mock/dist-oc9-build-44227-14591/root/chroot_tmpdir/scmroot/python-betamax'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-betamax
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9aafb6 import python-betamax-0.8.1-3.tl4