$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-srpm-macros.git /var/lib/mock/dist-oc9-build-119636-70750/root/chroot_tmpdir/scmroot/ocaml-srpm-macros
Cloning into '/var/lib/mock/dist-oc9-build-119636-70750/root/chroot_tmpdir/scmroot/ocaml-srpm-macros'...
$ git fetch origin dbbdf9ca25f2ad07db7d69a153ddb22c0047fd50:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-srpm-macros
 * [new ref]         dbbdf9ca25f2ad07db7d69a153ddb22c0047fd50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbbdf9c import ocaml-srpm-macros-8-5.tl4