{ ... }: { personal.nix = { enable = true; autoUpgrade = true; flake = "git+file:///home/qaristote/code/nix/machines/latitude-7490"; gc.enable = true; }; system.autoUpgrade.flags = let update-input = input: [ "--update-input" input ]; in update-input "home-manager" ++ update-input "nixos-hardware" ++ [ "--impure" ]; # make auto-upgrade service lightweight systemd.services.nixos-upgrade.unitConfig = { CPUWeight = 1; }; }