$ git clone -n https://gitee.com/src-opencloudos-rpms/python-dbus-client-gen.git /var/lib/mock/dist-oc9-build-47739-14592/root/chroot_tmpdir/scmroot/python-dbus-client-gen
Cloning into '/var/lib/mock/dist-oc9-build-47739-14592/root/chroot_tmpdir/scmroot/python-dbus-client-gen'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-dbus-client-gen
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e75fe33 import python-dbus-client-gen-0.5-3.tl4