$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocamlgraph.git /var/lib/mock/f40-build-784187-133259/root/chroot_tmpdir/scmroot/ocaml-ocamlgraph
Cloning into '/var/lib/mock/f40-build-784187-133259/root/chroot_tmpdir/scmroot/ocaml-ocamlgraph'...
$ git fetch origin f13d2092b2b926a84ce771b89d7334bf99ca6946:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ocamlgraph
 * [new ref]         f13d2092b2b926a84ce771b89d7334bf99ca6946 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f13d209 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild