overlays: Create overlays

modules/hardware/video.nix

@@ -1,7 +1,5 @@
-{ config, ... }:
+{ pkgs, ... }:
 
-let
-  unstable = (import ../unstable.nix config);
-in {
-  environment.systemPackages = [ unstable.mesa ];
+{
+  environment.systemPackages = with pkgs; [ unstable.mesa ];
 }

modules/nur.nix

@@ -1,8 +0,0 @@
-pkgs:
-
-import (builtins.fetchTarball {
-  url = "https://github.com/nix-community/NUR/archive/master.tar.gz";
-  sha256 = "0r2pcc6sjxmhg1xxk23648wrwccv2c5v44cfwglx35az5y0hmr1f";
-}) {
-  inherit pkgs;
-}

modules/programs/gnome/default.nix

@@ -1,8 +1,6 @@
 { pkgs, config, lib, ... }:
 
-let
-  unstable = (import ../../unstable.nix config);
-in {
+{
   config = {
     environment = {
       systemPackages = with pkgs; [
@@ -10,7 +8,7 @@ in {
         gnomeExtensions.appindicator
         gnomeExtensions.caffeine
         gnomeExtensions.gnome-40-ui-improvements
-        gnomeExtensionsCustom.notification-timeout # Custom package
+        gnomeExtensions.notification-timeout # Custom package
         gnomeExtensions.application-volume-mixer
         gnome.eog
         gnome.nautilus

modules/unstable.nix

@@ -1,10 +0,0 @@
-config:
-
-let
-  unstableTarball =
-    fetchTarball
-      https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz;
-in
-import unstableTarball {
-    config = config.nixpkgs.config;
-}