$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocplib-simplex.git /var/lib/mock/f40-build-783983-133234/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex
Cloning into '/var/lib/mock/f40-build-783983-133234/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex'...
$ git fetch origin f9ac8384b8ce3a978b0519a36850674870f7c64b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ocplib-simplex
 * [new ref]         f9ac8384b8ce3a978b0519a36850674870f7c64b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9ac838 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild