$ git clone -n https://gitee.com/src-anolis-os/ocaml-lwt.git /var/lib/mock/dist-an23-build-444391-73188/root/chroot_tmpdir/scmroot/ocaml-lwt
Cloning into '/var/lib/mock/dist-an23-build-444391-73188/root/chroot_tmpdir/scmroot/ocaml-lwt'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ocaml-lwt
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c29ab03 fix test error for riscv64