$ git clone -n https://src.fedoraproject.org/rpms/ocaml-variantslib.git /var/lib/mock/f40-build-2300102-56693/root/chroot_tmpdir/scmroot/ocaml-variantslib
Cloning into '/var/lib/mock/f40-build-2300102-56693/root/chroot_tmpdir/scmroot/ocaml-variantslib'...
$ git fetch origin 5b04592ed3d3c63898aaf6af4654bb146a66bac2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-variantslib
 * [new ref]         5b04592ed3d3c63898aaf6af4654bb146a66bac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b04592 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild