refactor(terminal): define unfree packages in terminal's configuration.nix

home/terminal/configuration.nix

@@ -1,5 +1,6 @@
 {
   config,
+  lib,
   inputs,
   pkgs,
   self,
@@ -61,5 +62,15 @@
   # Drawing Tablet
   hardware.opentabletdriver.enable = true;
 
+  # Nixpkgs
+  nixpkgs.config.allowUnfreePredicate = pkg:
+    builtins.elem (lib.getName pkg) [
+      "obsidian"
+      "steam"
+      "steam-unwrapped"
+      "via"
+      "vivaldi"
+    ];
+
   environment.sessionVariables.NIXOS_OZONE_WL = "1";
 }

hosts/battleship/configuration.nix

@@ -87,14 +87,6 @@
 
   # Nix
   nix.settings.experimental-features = ["nix-command" "flakes"];
-  nixpkgs.config.allowUnfreePredicate = pkg:
-    builtins.elem (lib.getName pkg) [
-      "obsidian"
-      "steam"
-      "steam-unwrapped"
-      "via"
-      "vivaldi"
-    ];
 
   # Bootloader
   boot.loader.systemd-boot.enable = true;

hosts/fighter/configuration.nix

@@ -84,10 +84,6 @@
 
   # Nix
   nix.settings.experimental-features = ["nix-command" "flakes"];
-  nixpkgs.config.allowUnfreePredicate = pkg:
-    builtins.elem (lib.getName pkg) [
-      "via"
-    ];
 
   # Bootloader
   boot.loader.grub.enable = lib.mkForce true;