Move fn functions to system specialArgs.

flake.nix

@@ -26,7 +26,7 @@
         machineFiles = lib.filter (name: lib.strings.hasSuffix ".nix" name) (fn.lst { p = machinePath; b = true; });
       in nixpkgs.lib.nixosSystem {
         inherit system;
-        specialArgs = attrs;
+        specialArgs = attrs // { fn = fn; };
         modules = [
           (toString ./options/machine.nix)
           sops-nix.nixosModules.sops

options/machine.nix

@@ -1,11 +1,10 @@
-{ config, lib, ... }:
+{ config, lib, fn, ... }:
 
 with builtins;
 with lib;
 
 let
   cfg = config.machine;
-  fn = import (toString ../fn.nix) { inherit lib; };
   metapkgs = let
     pPath = (toString ../pkgsets);
   in (lists.forEach (fn.lsfRec pPath true) (v: replaceStrings [ "${pPath}/" "/" ".nix" ] [ "" "::" "" ] v));

pkgs/systemPackages.nix

@@ -1,10 +1,9 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, fn, pkgs, ... }:
 
 with lib;
 
 let
   cfg = config.machine;
-  fn = import (toString ../fn.nix) { inherit lib; };
   pkgsets = fn.lst { p = (toString ../pkgsets); b = true;};
 in {
   imports = pkgsets;

pkgsets/emacs.nix

@@ -1,9 +1,8 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, fn, pkgs, ... }:
 
 with lib;
 
 let
-  fn = import (toString ../fn.nix) { inherit lib; };
   modefiles = fn.lst { p = (toString ./emacs); b = true; };
 in rec {
   imports = [

pkgsets/haskell.nix

@@ -1,8 +1,6 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, fn, pkgs, ... }:
 
-let
-  fn = import ../fn.nix { inherit lib; };
-in {
+{
   config.machine.pkgsets.haskell.pkgwrap = (pkgs.haskellPackages.ghcWithPackages (pkgs: (fn.pkgFilter config.machine.pkgsets.haskell.pkgs)));
   config.machine.pkgsets.haskell.pkgs = with pkgs.haskellPackages; [
     hindent

pkgsets/php.nix

@@ -1,8 +1,6 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, fn, pkgs, ... }:
 
-let
-  fn = import ../fn.nix { inherit lib; };
-in {
+{
   config.machine.pkgsets.php.pkgwrap = (fn.pkgFilter config.machine.pkgsets.php.pkgs);
   config.machine.pkgsets.php.pkgs = (with pkgs.php82Packages; [
     composer

pkgsets/python3.nix

@@ -1,11 +1,8 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, fn, pkgs, ... }:
 
 with lib;
 
-let
-  fn = import ../fn.nix { inherit lib; };
-  # ocv3 = pkgs.python38Packages.opencv3.override { enableGtk2 = true; enableFfmpeg = true; enableGStreamer = true; };
-in {
+{
   config.machine.pkgsets.python3.pkgwrap = (pkgs.python310.withPackages (ps: (fn.pkgFilter config.machine.pkgsets.python3.pkgs)));
   config.machine.pkgsets.python3.pkgs = with pkgs.python310Packages; [
     GitPython

services/acme.nix

@@ -1,10 +1,9 @@
-{ options, config, lib, pkgs, ... }:
+{ options, config, lib, fn, pkgs, ... }:
 
 with builtins;
 with lib;
 
 let
-  fn = import (../. + (toPath "/fn.nix")) { inherit lib; };
   cfg = config.machine;
 in mkIf (elem "acme" cfg.services) {
   security.acme = {

services/bind.nix

@@ -1,11 +1,10 @@
 # This Configuration is meant for local DNS setups only!
-{ options, config, lib, pkgs, ... }:
+{ options, config, lib, fn, pkgs, ... }:
 
 with builtins;
 with lib;
 
 let
-  fn = import (../. + (toPath "/fn.nix")) { inherit lib; };
   cfg = config.machine;
 in mkIf (elem "bind" cfg.services) {
   services.bind = {