{config, inputs, lib, ...}: { # This will add each flake input as a registry to make nix commands consistent with your flake nix.registry = (lib.mapAttrs (_: flake: {inherit flake;})) ((lib.filterAttrs (_: lib.isType "flake")) inputs); # This will add your inputs to the system's legacy channels making legacy nix commands consistent nix.nixPath = ["/etc/nix/path"]; environment.etc = lib.mapAttrs' (name: value: { name = "nix/path/${name}"; value.source = value.flake; }) config.nix.registry; }