$ git clone -n https://src.fedoraproject.org/rpms/gtk2hs-buildtools.git /var/lib/mock/f40-build-776584-128929/root/chroot_tmpdir/scmroot/gtk2hs-buildtools
Cloning into '/var/lib/mock/f40-build-776584-128929/root/chroot_tmpdir/scmroot/gtk2hs-buildtools'...
$ git fetch origin 966c9c756f0aded80fa825705fd4510f5ea58516:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk2hs-buildtools
 * [new ref]         966c9c756f0aded80fa825705fd4510f5ea58516 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 966c9c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild