$ git clone -n https://gitee.com/src-anolis-os/ocaml-csexp.git /mnt/mock/kojid//dist-an23.3-riscv-build-437919-73130/root/chroot_tmpdir/scmroot/ocaml-csexp
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-437919-73130/root/chroot_tmpdir/scmroot/ocaml-csexp'...
$ git fetch origin 57e596efc2e08f0bd9a107896e045272b1699111:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ocaml-csexp
 * [new ref]         57e596efc2e08f0bd9a107896e045272b1699111 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57e596e Downgrade dune language to 2.9 to fix building error with ocaml-dune-2.9.3