$ git clone -n https://gitee.com/src-opencloudos-rpms/python-os-testr.git /var/lib/mock/dist-oc9-build-51266-14595/root/chroot_tmpdir/scmroot/python-os-testr
Cloning into '/var/lib/mock/dist-oc9-build-51266-14595/root/chroot_tmpdir/scmroot/python-os-testr'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-os-testr
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c212c8e import python-os-testr-3.0.0-2.tl4