$ git clone -n https://src.fedoraproject.org/rpms/ocaml-graphics.git /var/lib/mock/f39-build-2474404-61558/root/chroot_tmpdir/scmroot/ocaml-graphics
Cloning into '/var/lib/mock/f39-build-2474404-61558/root/chroot_tmpdir/scmroot/ocaml-graphics'...
$ git fetch origin 0d38242f104b9b02ad3ab0ddee27827fa17c0d11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-graphics
 * [new ref]         0d38242f104b9b02ad3ab0ddee27827fa17c0d11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d38242 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild