$ git clone -n https://gitee.com/src-opencloudos-rpms/python-os-vif.git /var/lib/mock/dist-oc9-epol-build-56319-14809/root/chroot_tmpdir/scmroot/python-os-vif
Cloning into '/var/lib/mock/dist-oc9-epol-build-56319-14809/root/chroot_tmpdir/scmroot/python-os-vif'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-os-vif
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bac676 import python-os-vif-2.7.1-2.tl4