$ git clone -n https://src.fedoraproject.org/rpms/ocaml-parsexp.git /var/lib/mock/f39-build-2479990-61579/root/chroot_tmpdir/scmroot/ocaml-parsexp
Cloning into '/var/lib/mock/f39-build-2479990-61579/root/chroot_tmpdir/scmroot/ocaml-parsexp'...
$ git fetch origin cb464f918aa4eb13d978603b7c053de9a3e9da6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-parsexp
 * [new ref]         cb464f918aa4eb13d978603b7c053de9a3e9da6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb464f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild