refactor: set extraGroups for printing/scanners in

NixOS module

modules/printing/default.nix

@@ -4,7 +4,10 @@
   pkgs,
   lib,
   ...
-}: {
+}:
+with lib; let
+  psCfg = config.pub-solar;
+in {
   services.avahi.enable = true;
   services.avahi.ipv6 = true;
   services.avahi.nssmdns = true;
@@ -22,6 +25,10 @@
   then [ pkgs.cups-brother-hl3140cw ]
   else []);
 
+  users.users."${psCfg.user.name}" = {
+    extraGroups = ["lp" "scanner"];
+  };
+
   networking.hosts = flake.self.lib.addLocalHostname ["cups.local"];
 
   services.caddy = {

modules/user/default.nix

@@ -68,9 +68,7 @@ with lib; {
         description = psCfg.user.description;
         extraGroups = [
           "input"
-          "lp"
           "networkmanager"
-          "scanner"
           "video"
           "wheel"
         ];