1 files changed, 62 insertions, 0 deletions
diff --git a/modules/nixos/desktop/niri/default.nix b/modules/nixos/desktop/niri/default.nix
new file mode 100644
index 0000000..87d4169
--- /dev/null
+++ b/modules/nixos/desktop/niri/default.nix
@@ -0,0 +1,62 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.desktop.niri;
+
+  inherit (lib) version;
+  minVersion = "24.11";
+  hasNiri = lib.versionAtLeast version minVersion;
+in
+{
+  options.desktop.niri = {
+    enable = lib.mkEnableOption "Niri desktop settings";
+  };
+
+  config = lib.mkIf cfg.enable (
+    lib.mkMerge [
+      {
+        environment = {
+          sessionVariables = {
+            NIXOS_OZONE_WL = "1"; # Niri doesn't have native XWayland support
+          };
+
+          systemPackages = with pkgs; [
+            alacritty # Terminal
+            fuzzel # Application runner
+            mako # Notification daemon
+            pantheon.pantheon-agent-polkit # Polkit agent
+            swaylock # Screen locker
+          ];
+        };
+
+        services.greetd = {
+          enable = true;
+          settings = {
+            default_session.command = toString [
+              (lib.getExe pkgs.greetd.tuigreet)
+              "--time"
+            ];
+          };
+        };
+      }
+
+      # TODO: Remove when 24.11 becomes stable
+      (
+        if hasNiri then
+          {
+            programs.niri.enable = true;
+          }
+        else
+          {
+            warnings = [
+              "You have enabled Niri when it is not available on NixOS ${version}. Please upgrade to at least NixOS ${minVersion}"
+            ];
+          }
+      )
+    ]
+  );
+}