$ git clone -n https://src.fedoraproject.org/rpms/ocaml-SDL.git /var/lib/mock/f42-build-865655-173376/root/chroot_tmpdir/scmroot/ocaml-SDL
Cloning into '/var/lib/mock/f42-build-865655-173376/root/chroot_tmpdir/scmroot/ocaml-SDL'...
$ git fetch origin 9dc36fd6c0f7989abca0a1a3aeb5cea26be9ea93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-SDL
 * [new ref]         9dc36fd6c0f7989abca0a1a3aeb5cea26be9ea93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dc36fd OCaml 5.3.0 rebuild for Fedora 42