$ git clone -n https://gitee.com/src-anolis-os/ocaml.git /var/lib/mock/dist-an8.8-build-323985-68512/root/chroot_tmpdir/scmroot/ocaml
Cloning into '/var/lib/mock/dist-an8.8-build-323985-68512/root/chroot_tmpdir/scmroot/ocaml'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ocaml
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0981d1c Add LoongArch native support