$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-libvirt.git /var/lib/mock/dist-oc9-build-70938-47493/root/chroot_tmpdir/scmroot/ocaml-libvirt
Cloning into '/var/lib/mock/dist-oc9-build-70938-47493/root/chroot_tmpdir/scmroot/ocaml-libvirt'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-libvirt
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96e3e3d import ocaml-libvirt-0.6.1.7-6.tl4