$ git clone -n https://gitee.com/src-opencloudos-rpms/python-prometheus_client.git /var/lib/mock/dist-oc9-build-44544-14591/root/chroot_tmpdir/scmroot/python-prometheus_client
Cloning into '/var/lib/mock/dist-oc9-build-44544-14591/root/chroot_tmpdir/scmroot/python-prometheus_client'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-prometheus_client
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9be80cb import python-prometheus_client-0.13.1-4.tl4