{ config, pkgs, ... }: { services.flatpak.enable = true; system.activationScripts = { flatpak.text = '' echo "adding flatpak repos..." repo=${pkgs.fetchurl { url = "https://dl.flathub.org/repo/flathub.flatpakrepo"; hash = "sha256-M3HdJQ5h2eFjNjAHP+/aFTzUQm9y9K+gwzc64uj+oDo="; } } ${pkgs.flatpak}/bin/flatpak remote-add --if-not-exists flathub $repo ''; }; }