$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lablgl.git /var/lib/mock/f42-build-865584-173304/root/chroot_tmpdir/scmroot/ocaml-lablgl
Cloning into '/var/lib/mock/f42-build-865584-173304/root/chroot_tmpdir/scmroot/ocaml-lablgl'...
$ git fetch origin 18d06d4900df65b8a16c6181367cf676ebafcf27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lablgl
 * [new ref]         18d06d4900df65b8a16c6181367cf676ebafcf27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d06d4 OCaml 5.3.0 rebuild for Fedora 42