Begin testing remote builds

hosts/jupiter/default.nix

@@ -12,9 +12,10 @@
 
   system = {
     nixos.tags = [ "pc" ];
-    steamdeck.enable = true;
     stateVersion = "24.11";
   };
 
   deployment.targetHost = "5ce:969c:40d1:9575:f5e:591d:c377:a20b";
+
+  jovian.steam.enable = true;
 }

hosts/jupiter/jovian/default.nix

@@ -1,16 +1,15 @@
 { config, lib, pkgs, jovian, ... }:
 {
-  imports = [ jovian.nixosModules.default ];
+  imports = [
+    ./gnome
+    jovian.nixosModules.default
+  ];
 
-  options.system.steamdeck.enable = lib.mkEnableOption "Jovian NixOS environment";
-
-  config = lib.mkIf config.system.steamdeck.enable {
+  config = lib.mkIf config.jovian.steam.enable {
     jovian = {
       steam = {
-        enable = true;
         autoStart = true;
-        desktopSession = "gnome";
-        user = config.sysusers.main;
+        user = config.vars.mainUser;
       };
       decky-loader = {
         enable = true;
@@ -30,7 +29,6 @@
     programs.steam.extest.enable = true;
 
     services = {
-      desktopManager.gnome.enable = true;
       keyd.enable = lib.mkForce false;
       tlp.enable = lib.mkForce false;
     };
@@ -42,51 +40,10 @@
       wireless.enable = lib.mkForce false;
     };
 
-    environment = {
-      persistence."/persist".directories = [
+    environment.persistence."/persist".directories = [
       "/etc/NetworkManager/system-connections"
       "/var/lib/decky-loader"
     ];
-      gnome.excludePackages = with pkgs; [
-        adwaita-icon-theme
-        baobab
-        epiphany
-        evince
-        file-roller
-        geary
-        gnome-calculator
-        gnome-calendar
-        gnome-characters
-        gnome-clocks
-        gnome-color-manager
-        gnome-connections
-        gnome-console
-        gnome-contacts
-        gnome-disk-utility
-        gnome-font-viewer
-        gnome-logs
-        gnome-maps
-        gnome-music
-        gnome-remote-desktop
-        gnome-shell-extensions
-        gnome-software
-        gnome-system-monitor
-        gnome-text-editor
-        gnome-tour
-        gnome-user-docs
-        gnome-weather
-        loupe
-        nautilus
-        orca
-        seahorse
-        simple-scan
-        snapshot
-        sushi
-        sysprof
-        totem
-        yelp
-      ];
-    };
 
     nixpkgs.allowUnfreePackages = [
       "steam"
@@ -96,6 +53,6 @@
       "xow_dongle-firmware"
     ];
 
-    specialisation.desktop.configuration.config.system.steamdeck.enable = lib.mkForce false;
+    specialisation.desktop.configuration.config.jovian.steam.enable = lib.mkForce false;
   };
 }

hosts/jupiter/jovian/gnome/default.nix

@@ -0,0 +1,48 @@
+{ config, lib, pkgs, ... }:
+{
+  config = lib.mkIf config.jovian.steam.enable {
+    jovian.steam.desktopSession = "gnome";
+
+    services.desktopManager.gnome.enable = true;
+
+    environment.gnome.excludePackages = with pkgs; [
+      adwaita-icon-theme
+      baobab
+      epiphany
+      evince
+      file-roller
+      geary
+      gnome-calculator
+      gnome-calendar
+      gnome-characters
+      gnome-clocks
+      gnome-color-manager
+      gnome-connections
+      gnome-console
+      gnome-contacts
+      gnome-disk-utility
+      gnome-font-viewer
+      gnome-logs
+      gnome-maps
+      gnome-music
+      gnome-remote-desktop
+      gnome-shell-extensions
+      gnome-software
+      gnome-system-monitor
+      gnome-text-editor
+      gnome-tour
+      gnome-user-docs
+      gnome-weather
+      loupe
+      nautilus
+      orca
+      seahorse
+      simple-scan
+      snapshot
+      sushi
+      sysprof
+      totem
+      yelp
+    ];
+  };
+}

hosts/jupiter/services/default.nix

@@ -1,6 +1,6 @@
 { config, lib, ... }:
 {
-  config = lib.mkIf (!config.system.steamdeck.enable) {
+  config = lib.mkIf (!config.jovian.steam.enable) {
     networking.useNetworkd = lib.mkForce false;
 
     services.globalprotect.enable = true;

modules/system/devices/video/nvidia/default.nix

@@ -1,7 +1,9 @@
 { config, lib, ... }:
 {
-  config = lib.mkIf (lib.elem "nvidia" config.services.xserver.videoDrivers) {
-    boot.kernelParams = [ "nvidia_drm.fbdev=1" ]; # Framebuffer fixes TTY access
+  boot.kernelParams = [
+    "nouveau.config=NvGspRm=1" # Use high power mode for Nouveau
+    "nvidia_drm.fbdev=1" # Fix framebuffer
+  ];
 
   hardware.nvidia = {
     modesetting.enable = true;
@@ -11,8 +13,7 @@
 
   nixpkgs.allowUnfreePackages = [ "nvidia-x11" ];
 
-    specialisation.nouveau.configuration.config.services.xserver.videoDrivers = lib.mkForce [ "nouveau" ];
-  } // {
-    boot.kernelParams = [ "nouveau.config=NvGspRm=1" ];
+  specialisation = lib.mkIf (lib.elem "nvidia" config.services.xserver.videoDrivers) {
+    nouveau.configuration.config.services.xserver.videoDrivers = lib.mkForce [ "nouveau" ];
   };
 }

modules/system/settings/nix/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./channels
+    ./distributed
     ./gc
     ./unfree
   ];
@@ -17,6 +18,6 @@
     };
   };
 
-  # Use nixos-rebuild-ng
+  # Use a newer implementation of nixos-rebuild
   system.rebuild.enableNg = true;
 }

modules/system/settings/nix/distributed/default.nix

@@ -0,0 +1,33 @@
+{ nodes, ... }:
+{
+  nix = {
+    settings = {
+      max-jobs = 0;
+      trusted-users = [ "root" ];
+    };
+
+    distributedBuilds = true;
+    buildMachines = with nodes; [
+      {
+        hostName = midas.config.deployment.targetHost;
+        system = midas.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = kitty.config.deployment.targetHost;
+        system = kitty.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = prophet.config.deployment.targetHost;
+        system = prophet.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = detritus.config.deployment.targetHost;
+        system = detritus.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = elder.config.deployment.targetHost;
+        system = elder.config.nixpkgs.localSystem.system;
+      }
+    ];
+  };
+}