$ git clone -n https://gitee.com/opencloudos-stream/ocaml-num.git /var/lib/mock/dist-oc9-epol-build-93106-59389/root/chroot_tmpdir/scmroot/ocaml-num
Cloning into '/var/lib/mock/dist-oc9-epol-build-93106-59389/root/chroot_tmpdir/scmroot/ocaml-num'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocaml-num
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8b11ba update