$ git clone -n https://src.fedoraproject.org/rpms/ocaml-xmlm.git /var/lib/mock/f41-build-side-1-2649850-27543/root/chroot_tmpdir/scmroot/ocaml-xmlm
Cloning into '/var/lib/mock/f41-build-side-1-2649850-27543/root/chroot_tmpdir/scmroot/ocaml-xmlm'...
$ git fetch origin b42cb57ff865e14fa4055f01c9d45b9f0db9c7f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-xmlm
 * [new ref]         b42cb57ff865e14fa4055f01c9d45b9f0db9c7f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b42cb57 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild