Setup distributed builds and pin hyprland

flake.nix

@@ -3,12 +3,19 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+
     home-manager.url = "github:nix-community/home-manager";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
+
+    hyprland = {
+      type = "git";
+      url = "https://github.com/hyprwm/Hyprland";
+      submodules = true;
+      rev = "9a09eac79b85c846e3a865a9078a3f8ff65a9259";
+    };
   };
 
-  outputs = { self, nixpkgs, home-manager, ... }: {
-
+  outputs = { self, nixpkgs, home-manager, ... } @ inputs: {
     nixosConfigurations.z790prors-nix = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       modules = [ ./machines/z790prors/configuration.nix ];
@@ -16,6 +23,7 @@
 
     nixosConfigurations.nix-book = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
+      specialArgs = { inherit inputs; };
       modules = [ 
         ./machines/nix-book/configuration.nix
         home-manager.nixosModules.home-manager