imperium: refactor inline modules to flake output

flake.lock

@@ -113,13 +113,30 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1723362943,
+        "narHash": "sha256-dFZRVSgmJkyM0bkPpaYRtG/kRMRTorUIDj8BxoOt1T4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a58bc8ad779655e790115244571758e8de055e3d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-compat": "flake-compat",
         "intake": "intake",
         "intake-sources": "intake-sources",
         "nixpkgs-2311": "nixpkgs-2311",
-        "nixpkgs-2405": "nixpkgs-2405"
+        "nixpkgs-2405": "nixpkgs-2405",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     }
   },

flake.nix

@@ -2,6 +2,7 @@
   inputs = {
     nixpkgs-2311.url = "github:NixOS/nixpkgs/23.11";
     nixpkgs-2405.url = "github:NixOS/nixpkgs/nixos-24.05";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-compat = {
       url = "github:edolstra/flake-compat";
       flake = false;
@@ -21,11 +22,25 @@
     self,
     nixpkgs-2311,
     nixpkgs-2405,
+    nixpkgs-unstable,
     flake-compat,
     intake,
     intake-sources,
   }@inputs: {
-    nixosModules.beatific = import ./modules/beatific.nix;
+    nixosModules = {
+      beatific = import ./modules/beatific.nix;
+      tf2-gperftools = ({ ... }: {
+        environment.systemPackages = [ nixpkgs-2405.legacyPackages."i686-linux".gperftools ];
+      });
+      unstable-vscode = ({ ... }: let
+        pkgs = import nixpkgs-unstable { system = "x86_64-linux"; config.allowUnfree = true; };
+      in {
+        environment.systemPackages = [
+          pkgs.vscode
+          pkgs.icu
+        ];
+      });
+    };
 
     nixosConfigurations = {
       backyard = nixpkgs-2405.lib.nixosSystem {
@@ -62,9 +77,8 @@
         system = "x86_64-linux";
         modules = [
           self.nixosModules.beatific
-          ({ ... }: {
+          self.nixosModules.tf2-gperftools
-            environment.systemPackages = [ nixpkgs-2405.legacyPackages."i686-linux".gperftools ];
+          self.nixosModules.unstable-vscode
-          })
           ./machine/imperium
         ];
       };