$ git clone -n https://gitee.com/src-anolis-os/ocaml-csexp.git /var/lib/mock/dist-an23-build-235360-62751/root/chroot_tmpdir/scmroot/ocaml-csexp
Cloning into '/var/lib/mock/dist-an23-build-235360-62751/root/chroot_tmpdir/scmroot/ocaml-csexp'...
$ git reset --hard origin/a23
HEAD is now at 57e596e Downgrade dune language to 2.9 to fix building error with ocaml-dune-2.9.3