$ git clone -n https://gitee.com/src-opencloudos-rpms/python-xmlschema.git /var/lib/mock/dist-oc9-epol-build-56034-14789/root/chroot_tmpdir/scmroot/python-xmlschema
Cloning into '/var/lib/mock/dist-oc9-epol-build-56034-14789/root/chroot_tmpdir/scmroot/python-xmlschema'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-xmlschema
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40fc4f4 import python-xmlschema-1.5.2-4.tl4