chore: clean up nixos configurations

Consolidate nixpkgs instances into once for all x86 systems

nixos/configurations.nix

@@ -8,127 +8,92 @@
   nixos-hardware,
   nixos-generators,
   nixpkgs,
-  nixpkgs-small,
   ...
 }@inputs:
 let
-  nixosSystem =
+  # create a new instance allowing some unfree packages
+  nixpkgsx86 = import nixpkgs {
+    system = "x86_64-linux";
+    config.allowUnfreePredicate =
+      pkg:
+      builtins.elem (nixpkgs.lib.getName pkg) [
+        "aspell-dict-en-science"
+        "brgenml1lpr"
+        "saleae-logic-2"
+        "spotify"
+      ];
+  };
+  nixosSystem = nixpkgs.lib.nixosSystem;
+  baseModule =
+    { lib, ... }:
     {
-      nixpkgs,
-      system ? "x86_64-linux",
-      extraModules ? [ ],
-    }:
-    nixpkgs.lib.nixosSystem {
-      inherit system;
-
-      modules = [
-        {
-          nixpkgs.overlays = nixpkgs.lib.attrValues self.overlays;
-        }
+      _module.args.inputs = inputs;
+      imports = [
+        inputs.agenix.nixosModules.age
+        inputs.disko.nixosModules.disko
+        inputs.home-manager.nixosModules.home-manager
+        (
+          { pkgs, ... }:
+          {
+            dadada.homepage.package = homepage;
+            dadada.pkgs = inputs.self.packages.${pkgs.system};
+            dadada.inputs = inputs // {
+              dadada = inputs.self;
+            };
+          }
+        )
+        inputs.lanzaboote.nixosModules.lanzaboote
       ]
-      ++ (nixpkgs.lib.attrValues self.nixosModules)
-      ++ [ agenix.nixosModules.age ]
-      ++ extraModules;
+      ++ (lib.attrValues inputs.self.nixosModules);
     };
+  homeModule = ./modules/profiles/home.nix;
 in
 {
-  stolas =
-    let
-      system = "x86_64-linux";
-    in
-    nixosSystem {
-      inherit nixpkgs system;
+  stolas = nixosSystem {
+    modules = [
+      { nixpkgs.pkgs = nixpkgsx86; }
+      baseModule
+      nixos-hardware.nixosModules.framework-amd-ai-300-series
+      homeModule
+      ./stolas
+    ];
+  };
 
-      extraModules = [
-        lanzaboote.nixosModules.lanzaboote
-        disko.nixosModules.disko
-        {
-          nixpkgs.overlays = nixpkgs.lib.attrValues self.overlays;
-          dadada.pkgs = self.packages.${system};
-          dadada.inputs = inputs // {
-            dadada = self;
-          };
-        }
-        nixos-hardware.nixosModules.framework-amd-ai-300-series
-        home-manager.nixosModules.home-manager
-        (
-          { pkgs, ... }:
-          {
-            home-manager.useGlobalPkgs = true;
-            home-manager.useUserPackages = true;
-            home-manager.sharedModules = (nixpkgs.lib.attrValues self.hmModules) ++ [
-              { dadada.home.helix.package = pkgs.helix; }
-            ];
-            home-manager.users.dadada = import ../home;
-          }
-        )
-        ./stolas
-      ];
-    };
-
-  gorgon =
-    let
-      system = "x86_64-linux";
-    in
-    nixosSystem {
-      inherit nixpkgs system;
-
-      extraModules = [
-        {
-          nixpkgs.overlays = nixpkgs.lib.attrValues self.overlays;
-          dadada.pkgs = self.packages.${system};
-          dadada.inputs = inputs // {
-            dadada = self;
-          };
-        }
-        nixos-hardware.nixosModules.lenovo-thinkpad-t14s-amd-gen1
-        home-manager.nixosModules.home-manager
-        (
-          { pkgs, ... }:
-          {
-            home-manager.useGlobalPkgs = true;
-            home-manager.useUserPackages = true;
-            home-manager.sharedModules = (nixpkgs.lib.attrValues self.hmModules) ++ [
-              { dadada.home.helix.package = pkgs.helix; }
-              { manual.manpages.enable = false; }
-            ];
-            home-manager.users.dadada = import ../home;
-          }
-        )
-        ./gorgon/configuration.nix
-      ];
-    };
+  gorgon = nixosSystem {
+    modules = [
+      { nixpkgs.pkgs = nixpkgsx86; }
+      baseModule
+      nixos-hardware.nixosModules.lenovo-thinkpad-t14s-amd-gen1
+      homeModule
+      ./gorgon/configuration.nix
+    ];
+  };
 
   surgat = nixosSystem {
-    nixpkgs = nixpkgs-small;
-    system = "x86_64-linux";
-    extraModules = [
-      {
-        dadada.homepage.package = homepage;
-      }
-      ./modules/profiles/server.nix
+    modules = [
+      { nixpkgs.pkgs = nixpkgsx86; }
+      baseModule
       ./surgat/configuration.nix
     ];
   };
 
   agares = nixosSystem {
-    nixpkgs = nixpkgs-small;
-    extraModules = [
+    modules = [
+      { nixpkgs.pkgs = nixpkgsx86; }
+      baseModule
       ./agares/configuration.nix
     ];
   };
 
-  installer =
-    let
-      nixpkgs = nixpkgs-small;
-    in
-    nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
-      modules = [
-        nixos-generators.nixosModules.install-iso
-        self.nixosModules.admin
+  installer = nixosSystem {
+    modules = [
+      nixos-generators.nixosModules.install-iso
+      inputs.self.nixosModules.admin
+      (
+        { lib, ... }:
         {
-          isoImage.isoName = nixpkgs.lib.mkForce "dadada-nixos-installer.iso";
+          nixpkgs.pkgs = nixpkgs.legacyPackages."x86_64-linux";
+          isoImage.isoName = lib.mkForce "dadada-nixos-installer.iso";
           networking.tempAddresses = "disabled";
           dadada.admin.enable = true;
           documentation.enable = true;
@@ -139,12 +104,14 @@ in
             keyMap = "us";
           };
         }
-      ];
-    };
+      )
+    ];
+  };
 
   ninurta = nixosSystem {
-    nixpkgs = nixpkgs-small;
-    extraModules = [
+    modules = [
+      { nixpkgs.pkgs = nixpkgsx86; }
+      baseModule
       ./ninurta/configuration.nix
     ];
   };