$ git clone -n https://src.fedoraproject.org/rpms/flatpak-kcm.git /var/lib/mock/f40-build-2272250-54916/root/chroot_tmpdir/scmroot/flatpak-kcm
Cloning into '/var/lib/mock/f40-build-2272250-54916/root/chroot_tmpdir/scmroot/flatpak-kcm'...
$ git fetch origin 59b2473231c33350b8c8b863b65fc0af50a2bd00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatpak-kcm
 * [new ref]         59b2473231c33350b8c8b863b65fc0af50a2bd00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59b2473 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild