$ git clone -n https://gitee.com/opencloudos-stream/openstack-nova.git /var/lib/mock/dist-oc9-epol-build-64922-16665/root/chroot_tmpdir/scmroot/openstack-nova
Cloning into '/var/lib/mock/dist-oc9-epol-build-64922-16665/root/chroot_tmpdir/scmroot/openstack-nova'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openstack-nova
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2decf37 !3 Rebuilt for qemu 8.0.2-12 Merge pull request !3 from cunshunxia/master