$ git clone -n https://src.fedoraproject.org/rpms/ocaml-stdio.git /var/lib/mock/f40-build-784149-133250/root/chroot_tmpdir/scmroot/ocaml-stdio
Cloning into '/var/lib/mock/f40-build-784149-133250/root/chroot_tmpdir/scmroot/ocaml-stdio'...
$ git fetch origin 8c096103178bc566d971882a0a9376b123e38924:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-stdio
 * [new ref]         8c096103178bc566d971882a0a9376b123e38924 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c09610 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild