Install VSCode from unstable for extension compatibility

flake.lock

@@ -261,6 +261,22 @@
         "url": "https://github.com/NixOS/nixpkgs/archive/e9b51731911566bbf7e4895475a87fe06961de0b.tar.gz"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1738021509,
+        "narHash": "sha256-JNUiceGsr7cVBUQxLBF1ILCe99E0qLxsVuet6GsZUuw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "9db269672dbdbb519e0bd3ea24f01506c135e46f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "betterfox": "betterfox",
@@ -273,6 +289,7 @@
         "nextcloud-twofactor-totp": "nextcloud-twofactor-totp",
         "nix-vscode-extensions": "nix-vscode-extensions",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix",
         "treefmt-nix": "treefmt-nix",
         "wrapper-manager": "wrapper-manager"

flake.nix

@@ -2,6 +2,8 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
 
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+
     flake-parts.url = "github:hercules-ci/flake-parts";
 
     deploy-rs = {

flake/hosts.nix

@@ -5,14 +5,9 @@
   ...
 }:
 let
-  stable = inputs.nixpkgs;
-  # unstable = inputs.nixpkgs-unstable;
-
-  mkHost = hostname: nixpkgs: {
-    ${hostname} = nixpkgs.lib.nixosSystem {
-      specialArgs = {
-        inherit inputs self;
-      };
+  mkHost = hostname: {
+    ${hostname} = inputs.nixpkgs.lib.nixosSystem {
+      specialArgs = { inherit inputs self; };
       modules =
         [
           { networking.hostName = hostname; }
@@ -29,10 +24,10 @@ in
 {
   flake = {
     nixosConfigurations = lib.mkMerge [
-      (mkHost "north" stable)
-      (mkHost "inspiron" stable)
-      (mkHost "stratus" stable)
-      (mkHost "installer" stable)
+      (mkHost "north")
+      (mkHost "inspiron")
+      (mkHost "stratus")
+      (mkHost "installer")
     ];
 
     deploy.nodes.stratus = {

hosts/common.nix

@@ -1,4 +1,10 @@
-{ self, pkgs, ... }:
+{
+  config,
+  inputs,
+  self,
+  pkgs,
+  ...
+}:
 {
   imports = [
     self.nixosModules.default
@@ -68,4 +74,9 @@
   ];
 
   nixpkgs.config.allowUnfree = true;
+
+  _module.args.pkgs-unstable = import inputs.nixpkgs-unstable {
+    inherit (pkgs.stdenv.hostPlatform) system;
+    inherit (config.nixpkgs) config;
+  };
 }

modules/home/vscode.nix

@@ -2,6 +2,7 @@
   config,
   inputs,
   pkgs,
+  pkgs-unstable,
   lib,
   ...
 }:
@@ -11,8 +12,8 @@
   config = lib.mkIf config.myConfig.vscode.enable {
     programs.vscode = {
       enable = true;
-      package = pkgs.vscode-with-extensions.override {
-        vscode = pkgs.vscodium;
+      package = pkgs-unstable.vscode-with-extensions.override {
+        vscode = pkgs-unstable.vscodium;
         vscodeExtensions =
           let
             inherit (inputs.nix-vscode-extensions.extensions.${pkgs.system}) open-vsx;

users/home-manager.nix

@@ -1,4 +1,9 @@
-{ inputs, self, ... }:
+{
+  inputs,
+  self,
+  pkgs-unstable,
+  ...
+}:
 {
   imports = [ inputs.home-manager.nixosModules.home-manager ];
 
@@ -6,7 +11,7 @@
     useGlobalPkgs = true;
     useUserPackages = true;
     extraSpecialArgs = {
-      inherit inputs self;
+      inherit inputs self pkgs-unstable;
     };
   };
 }