$ git clone -n https://src.fedoraproject.org/rpms/ocaml-jsonm.git /var/lib/mock/f45-build-20613-572/root/chroot_tmpdir/scmroot/ocaml-jsonm
Cloning into '/var/lib/mock/f45-build-20613-572/root/chroot_tmpdir/scmroot/ocaml-jsonm'...
$ git fetch origin b1997c35038b969684359fb8f12c76d10b810eb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-jsonm
 * [new ref]         b1997c35038b969684359fb8f12c76d10b810eb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1997c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild