Setup distributed builds and pin hyprland

machines/nix-book/configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, ... }:
+{ config, pkgs, inputs, ... }:
 
 {
   imports =
@@ -12,9 +12,33 @@
 
   nix = {
     package = pkgs.nixFlakes;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
+
+    distributedBuilds = true;
+    buildMachines = [{
+      hostName = "z790prors.oglehome";
+      system = "x86_64-linux";
+      protocol = "ssh-ng";
+      sshUser = "johno";
+      sshKey = "/nix/id_ed25519";
+      maxJobs = 3;
+      speedFactor = 2;
+    }];
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+
+      substituters = [ 
+        "https://hyprland.cachix.org"
+        "ssh://johno@z790prors.oglehome"
+      ];
+
+      builders-use-substitutes = true;
+
+      trusted-public-keys = [
+        "arch-store:lBSsckiRVH+A2ZyZWIzPwpSFstAGXcf/d7H1lSmiFo8="
+	"z790prors:2zFp1rh6cS+2aAHwmcKKkkg13LV+x2YVuAh7TCWSckw="
+	"hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+      ];
+    };
   };
 
   # Bootloader.
@@ -124,5 +148,8 @@
     #defaultSession = "plasmax11";
   };
   services.desktopManager.plasma6.enable = true;
-  programs.hyprland.enable = true;
+  programs.hyprland = {
+    enable = true;
+    package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
+  };
 }