$ git clone -n https://gitee.com/src-opencloudos-rpms/mojo-parent.git /var/lib/mock/dist-oc9-build-129194-77719/root/chroot_tmpdir/scmroot/mojo-parent
Cloning into '/var/lib/mock/dist-oc9-build-129194-77719/root/chroot_tmpdir/scmroot/mojo-parent'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mojo-parent
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad718c5 import mojo-parent-70-5.tl4