$ git clone -n https://gitee.com/src-opencloudos-rpms/wpebackend-fdo.git /var/lib/mock/dist-oc9-build-60084-16463/root/chroot_tmpdir/scmroot/wpebackend-fdo
Cloning into '/var/lib/mock/dist-oc9-build-60084-16463/root/chroot_tmpdir/scmroot/wpebackend-fdo'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/wpebackend-fdo
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a9c175 import wpebackend-fdo-1.12.0-4.tl4