$ git clone -n https://gitee.com/zhaojun_chao/ocaml.git /var/lib/mock/dist-an8.8-build-312814-67135/root/chroot_tmpdir/scmroot/ocaml
Cloning into '/var/lib/mock/dist-an8.8-build-312814-67135/root/chroot_tmpdir/scmroot/ocaml'...
$ git fetch origin d2704e12d84342934de38047e9516b957ef139cd:KOJI_FETCH_HEAD
From https://gitee.com/zhaojun_chao/ocaml
 * [new ref]         d2704e12d84342934de38047e9516b957ef139cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2704e1 fix bad date