add nixpkgs-stable

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

flake.lock

@@ -763,6 +763,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1757545623,
+        "narHash": "sha256-mCxPABZ6jRjUQx3bPP4vjA68ETbPLNz9V2pk9tO7pRQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8cd5ce828d5d1d16feff37340171a98fc3bf6526",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_10": {
       "locked": {
         "lastModified": 1755027561,
@@ -999,6 +1015,7 @@
         "nixcord": "nixcord",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_6",
+        "nixpkgs-stable": "nixpkgs-stable",
         "nvf": "nvf",
         "sops-nix": "sops-nix",
         "spicetify-nix": "spicetify-nix",

flake.nix

@@ -7,6 +7,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-25.05";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     hyprland.url = "git+https://github.com/hyprwm/Hyprland?submodules=1";
     hyprpanel.url = "github:Jas-SinghFSU/HyprPanel";
@@ -35,7 +36,9 @@
           modules = [
             {
               nixpkgs.overlays = [];
-              _module.args = {inherit inputs;};
+              _module.args = {
+                inherit inputs;
+              };
             }
             inputs.nixos-hardware.nixosModules.omen-16-n0005ne # CHANGEME: check https://github.com/NixOS/nixos-hardware
             inputs.home-manager.nixosModules.home-manager

home/programs/tailscale/default.nix

@@ -1,7 +1,7 @@
 # Tailscale is a VPN service that works on top of WireGuard.
 # It allows me to access my servers and devices from anywhere.
-{pkgs, ...}: {
-  home.packages = with pkgs; [tailscale tailscale-systray];
+{inputs, ...}: {
+  home.packages = with inputs.nixpkgs-stable.legacyPackages.x86_64-linux; [tailscale tailscale-systray];
 
   # wayland.windowManager.hyprland.settings.exec-once = ["${pkgs.tailscale-systray}/bin/tailscale-systray"];
 }

hosts/laptop/configuration.nix

@@ -11,7 +11,7 @@
     ../../nixos/sddm.nix
     ../../nixos/users.nix
     ../../nixos/utils.nix
-    # ../../nixos/tailscale.nix # FIXME:
+    ../../nixos/tailscale.nix
     ../../nixos/hyprland.nix
 
     ../../nixos/omen.nix # For my laptop only

hosts/laptop/home.nix

@@ -18,7 +18,7 @@
     ../../home/programs/thunar
     ../../home/programs/lazygit
     ../../home/programs/discord
-    # ../../home/programs/tailscale # FIXME:
+    ../../home/programs/tailscale
 
     # Scripts
     ../../home/scripts # All scripts

nixos/tailscale.nix

@@ -1,5 +1,9 @@
 # Tailscale is a VPN service that makes it easy to connect your devices between each other.
-{config, ...}: let
+{
+  config,
+  inputs,
+  ...
+}: let
   username = config.var.username;
 in {
   security.sudo.extraRules = [
@@ -21,6 +25,7 @@ in {
 
   services.tailscale = {
     enable = true;
+    package = inputs.nixpkgs-stable.legacyPackages.x86_64-linux.tailscale;
     openFirewall = true;
   };