Nix: add Nixpkgs module instructions

pages/Nix/Hyprland on NixOS.md

@@ -5,12 +5,46 @@ graphics drivers, fonts, dconf, xwayland, and adding a proper Desktop Entry to
 your Display Manager.
 
 Make sure to check out the options of the
-[NixOS module](https://github.com/hyprwm/Hyprland/blob/main/nix/module.nix).
+[NixOS module](https://search.nixos.org/options?channel=unstable&from=0&size=50&sort=relevance&type=packages&query=hyprland).
 
-Note that the Nixpkgs Hyprland package is not actively maintained, and may be outdated.
-As such, installation using the Flake is recommended.
+## From Nixpkgs
 
-## With flakes
+```nix
+# configuration.nix
+
+{pkgs, ...}: {
+  programs.hyprland.enable = true;
+}
+```
+
+### Using unstable Hyprland
+
+In case you want to use the module from Nixpkgs, but also want the development
+version of Hyprland, you can add it like this:
+
+```nix
+# flake.nix
+
+{
+  inputs.hyprland.url = "github:hyprwm/Hyprland";
+  # ...
+
+  outputs = {nixpkgs, ...} @ inputs: {
+    nixosConfigurations.HOSTNAME = nixpkgs.lib.nixosSystem {
+      specialArgs = {inherit inputs;}; # this is the important part
+      modules = [./configuration.nix];
+    };
+  } 
+}
+
+# configuration.nix
+
+{inputs, pkgs, ...}: {
+  programs.hyprland.package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
+}
+```
+
+## From the Flake
 
 ```nix
 # flake.nix
@@ -22,7 +56,6 @@ As such, installation using the Flake is recommended.
 
   outputs = {nixpkgs, hyprland, ...}: {
     nixosConfigurations.HOSTNAME = nixpkgs.lib.nixosSystem {
-      # ...
       modules = [
         hyprland.nixosModules.default
         {programs.hyprland.enable = true;}
@@ -35,7 +68,7 @@ As such, installation using the Flake is recommended.
 
 Don't forget to replace `HOSTNAME` with your hostname!
 
-## Without flakes
+## From the Flake, on Nix stable
 
 {{< hint >}}
 If you're using Hyprland through an overlay, set
@@ -63,7 +96,7 @@ in {
 
     xwayland = {
       enable = true;
-      hidpi = true;
+      hidpi = false;
     };
 
     nvidiaPatches = false;

pages/Nix/Hyprland on other distros.md

@@ -4,7 +4,15 @@ The best option would be through [Home Manager](../Hyprland-on-Home-Manager).
 
 However, if Home Manager is not for you, you can use it as a normal package.
 
-## With flakes
+## From Nixpgks
+
+The easiest method is to get Hyprland directly from Nixpkgs:
+
+```sh
+nix profile install nixpkgs#hyprland
+```
+
+## From the Flake
 
 First, [enable flakes](https://nixos.wiki/wiki/Flakes#Enable_flakes).
 

pages/Nix/Options & Overrides.md

@@ -9,7 +9,7 @@ can be changed by setting the appropriate option to `true`/`false`.
 ### Package
 
 ```nix
-(inputs.hyprland.packages.${pkgs.hostPlatform.system}.default.override {
+(pkgs.hyprland.override { # or inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.default
   enableXWayland = true;
   hidpiXWayland = true;
   nvidiaPatches = false;

pages/Nix/_index.md

@@ -1,18 +1,14 @@
-First of all, it is a good idea to set up [Cachix](./Cachix) before continuing
-with installing Hyprland. 
+Hyprland on Nix can be installed either from Nixpkgs (release version) or from
+the [flake](https://github.com/hyprwm/Hyprland/blob/main/flake.nix) (directly
+from the main branch).
 
-After getting Cachix working, you have a few options ahead:
+If you use the flake, it is a good idea to set up [Cachix](./Cachix) before
+continuing with installing Hyprland. 
+
+The methods of installation are described below:
 
 ## NixOS + Home Manager (recommended)
 
-{{< hint type=warning >}}
-
-Hyprland is NOT supported on NixOS stable. It may (not) compile or
-work as intended. Please use the
-[flake](https://github.com/hyprwm/Hyprland/blob/main/flake.nix).
-
-{{< /hint >}}
-
 If you're on NixOS and also use HM, it is a good idea to use Hyprland modules
 for both. Make sure the package options are the same for both modules.