Update desktop-home-defaults.nix to include feishin package

- Deleted the Tailscale auth key configuration and related networking settings from `configuration.nix` to streamline the host setup.
- Maintained other networking configurations for continued functionality.

flake.nix

@@ -212,17 +212,11 @@
       # https://import-tree.oeiuwq.com/guides/filtering/ ). filterNot composes AND with that.
       # Skip /package/ and /packages/ (callPackage colocation).
       # Avoid a global "/home-manager/" filter — it would drop modules/ssh/home-manager/.
-      modulesTree =
-        lib.pipe inputs.import-tree [
-          (it: it.withLib lib)
-          (it:
-            it.filterNot (
-              p:
-              lib.hasInfix "/package/" p
-              || lib.hasInfix "/packages/" p
-            ))
-          (it: it ./modules)
-        ];
+      modulesTree = lib.pipe inputs.import-tree [
+        (it: it.withLib lib)
+        (it: it.filterNot (p: lib.hasInfix "/package/" p || lib.hasInfix "/packages/" p))
+        (it: it ./modules)
+      ];
     in
     inputs.flake-parts.lib.mkFlake { inherit inputs; } modulesTree;
 }

modules/hosts/14900k/_private/nvidia.nix

@@ -15,5 +15,5 @@ lib.mkIf (!config.chiasson.system.gpuPassthru.enable) {
     package = config.boot.kernelPackages.nvidiaPackages.latest;
   };
 
-  hardware.nvidia-container-toolkit.enable = true;
+  hardware.nvidia-container-toolkit.enable = lib.mkDefault true;
 }

modules/hosts/14900k/_private/vm-self.nix

@@ -0,0 +1,44 @@
+# VM self-test overrides — used with nixos-rebuild build-vm to try the system
+# in a VM without rebuilding/rebooting the host.
+{ config, lib, pkgs, ... }:
+{
+  virtualisation.vmVariant = {
+    config = {
+
+
+      hardware.nvidia-container-toolkit.enable = lib.mkForce false;
+      hardware.nvidia.package = lib.mkForce null;
+      services.xserver.videoDrivers = lib.mkForce [ "modesetting" ];
+
+      virtualisation = {
+        memorySize = 4096;
+        cores = 3;
+        graphics = true;
+        qemu.options = [
+          "-device virtio-vga-gl"
+          "-display gtk,gl=on"
+        ];
+      };
+
+      users.users.olivier = {
+        initialPassword = lib.mkForce "";
+        hashedPasswordFile = lib.mkForce null; # Disable the secret file dependency
+      };
+
+      # Force greetd's `initial_session` directly. We can't rely on
+      # `services.displayManager.autoLogin` because DankGreeter's flake module
+      # (inputs.dms.nixosModules.greeter) aggressively overwrites
+      # `services.greetd.settings`, clobbering whatever the displayManager
+      # module injects for auto-login. mkForce on `initial_session` alone wins
+      # against DMS without touching `default_session` (DankGreeter), so a
+      # manual logout in the VM still shows DankGreeter. VM-only — host build
+      # is unaffected because this whole block lives under vmVariant.
+      services.greetd.settings.initial_session = lib.mkForce {
+        command = "${pkgs.niri}/bin/niri-session";
+        user = "olivier";
+      };
+
+      environment.systemPackages = [ pkgs.grc ];
+    };
+  };
+}

modules/hosts/14900k/configuration.nix

@@ -15,6 +15,7 @@
         self.nixosModules."client-services"
         ./_private/platform.nix
         ./_private/nvidia.nix
+        ./_private/vm-self.nix
         ./_private/gpu-passthru.nix
         ./_private/peripherals.nix
         # ./_private/printing-epson.nix

modules/hosts/desktop-home-defaults.nix

@@ -15,7 +15,7 @@
       };
 
       #TODO[epic=Moderate] Check if git-crypt should belong in desktop-home-base.
-      home.packages = [ pkgs.git-crypt ];
+      home.packages = [ pkgs.git-crypt pkgs.feishin ];
 
       chiasson.home = {
         shell = {

modules/hosts/t2mbp/configuration.nix

@@ -19,10 +19,6 @@
         ./_private/firmware.nix
       ];
 
-      sops.secrets."tailscale/auth-key" = {
-        mode = "0400";
-      };
-
       chiasson.system.librepods.enable = true;
       chiasson.system.palera1n.enable = true;
 
@@ -76,11 +72,6 @@
         networking = {
           hostName = "t2mbp";
           networkManager.enable = true;
-          tailscale = {
-            enable = true;
-            authKeyFile = config.sops.secrets."tailscale/auth-key".path;
-            acceptRoutes = true;
-          };
         };
       };