$ git clone -n https://gitee.com/src-opencloudos-rpms/openstack-tempest.git /var/lib/mock/dist-oc9-epol-build-53690-14768/root/chroot_tmpdir/scmroot/openstack-tempest
Cloning into '/var/lib/mock/dist-oc9-epol-build-53690-14768/root/chroot_tmpdir/scmroot/openstack-tempest'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openstack-tempest
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b112b7 import openstack-tempest-27.0.0-2.tl4