$ git clone -n https://gitee.com/src-opencloudos-rpms/python-oslo-policy.git /var/lib/mock/dist-oc9-epol-build-55661-14782/root/chroot_tmpdir/scmroot/python-oslo-policy
Cloning into '/var/lib/mock/dist-oc9-epol-build-55661-14782/root/chroot_tmpdir/scmroot/python-oslo-policy'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-oslo-policy
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2e5f14 import python-oslo-policy-3.7.1-2.tl4