$ git clone -n https://src.fedoraproject.org/rpms/flatpak-kcm.git /var/lib/mock/f40-build-2328737-58878/root/chroot_tmpdir/scmroot/flatpak-kcm
Cloning into '/var/lib/mock/f40-build-2328737-58878/root/chroot_tmpdir/scmroot/flatpak-kcm'...
$ git fetch origin 6ee9224cfdce499cb713e665c29ebf7783f4de59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatpak-kcm
 * [new ref]         6ee9224cfdce499cb713e665c29ebf7783f4de59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ee9224 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild