$ git clone -n https://src.fedoraproject.org/rpms/ocaml-jsonm.git /var/lib/mock/f41-build-820780-152364/root/chroot_tmpdir/scmroot/ocaml-jsonm
Cloning into '/var/lib/mock/f41-build-820780-152364/root/chroot_tmpdir/scmroot/ocaml-jsonm'...
$ git fetch origin 8e4e34933b5649055f75d40d2c27b9d629066f82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-jsonm
 * [new ref]         8e4e34933b5649055f75d40d2c27b9d629066f82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e4e349 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild