$ git clone -n https://gitee.com/src-opencloudos-rpms/python-py.git /var/lib/mock/dist-oc9-build-44551-14591/root/chroot_tmpdir/scmroot/python-py
Cloning into '/var/lib/mock/dist-oc9-build-44551-14591/root/chroot_tmpdir/scmroot/python-py'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-py
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91e6f74 import python-py-1.11.0-3.tl4