$ git clone -n https://gitee.com/opencloudos-stream/openstack-nova.git /var/lib/mock/dist-ocs23-python311-build-37775-2066/root/chroot_tmpdir/scmroot/openstack-nova
Cloning into '/var/lib/mock/dist-ocs23-python311-build-37775-2066/root/chroot_tmpdir/scmroot/openstack-nova'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openstack-nova
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79495ee OCS package init