$ git clone -n https://src.fedoraproject.org/rpms/ocaml-postgresql.git /var/lib/mock/f39-build-2474183-61551/root/chroot_tmpdir/scmroot/ocaml-postgresql
Cloning into '/var/lib/mock/f39-build-2474183-61551/root/chroot_tmpdir/scmroot/ocaml-postgresql'...
$ git fetch origin b5d2febfb368432c11d27c9f28f7530578e3a543:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-postgresql
 * [new ref]         b5d2febfb368432c11d27c9f28f7530578e3a543 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5d2feb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild