Install nonfree packages inline with home-manager

oscar/configuration.nix

@@ -13,11 +13,9 @@
     ];
 
   nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
-    "factorio-alpha"
     "steam"
     "steam-original"
     "steam-run"
-    "discord"
   ];
 
   # https://discourse.nixos.org/t/github-strategies-for-configuration-nix/1983/14
@@ -120,6 +118,12 @@
   users.users.chandler.description = "Chandler Swift";
   users.users.chandler.extraGroups = [ "networkmanager" "wheel" "dialout" "cdrom" ];
   home-manager.users.chandler = { pkgs, ... }: {
+
+    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+      "factorio-alpha"
+      "discord"
+    ];
+
     home.packages = with pkgs; [
       # applications
       blender
@@ -150,6 +154,10 @@
       clang
       go
       rustc
+
+      # Unfree:
+      discord
+      factorio
     ];
 
     programs.bash.enable = true;
@@ -242,8 +250,6 @@
   environment.systemPackages = with pkgs; [
   #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
   #  wget
-  discord
-  factorio
   ];
 
   # Some programs need SUID wrappers, can be configured further or are