Add cosmic DE

flake.nix

@@ -30,6 +30,12 @@
       url = "github:nix-community/home-manager/release-24.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    # DEs
+    nixos-cosmic = {
+      url = "github:lilyinstarlight/nixos-cosmic";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      # inputs.nixpkgs.follows = "nixpkgs";
+    };
     plasma-manager = {
       url = "github:nix-community/plasma-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -80,23 +86,6 @@
     # image = "anime/jjk/satoru-gojo-jujutsu-kaisen-5k-ac.jpg";
     # image = "anime/gruvbox/skull2.png";
     image = "anime/gruvbox/boonies.png";
-    # secure-boot = [
-    #   lanzaboote.nixosModules.lanzaboote
-    #   ({
-    #     pkgs,
-    #     lib,
-    #     ...
-    #   }: {
-    #     environment.systemPackages = [pkgs.sbctl];
-    #     boot = {
-    #       loader.systemd-boot.enable = lib.mkForce false;
-    #       lanzaboote = {
-    #         enable = true;
-    #         pkiBundle = "/etc/secureboot";
-    #       };
-    #     };
-    #   })
-    # ];
     overlay-unstable = final: prev: {
       unstable = import nixpkgs-unstable {
         inherit system;

hosts/yhwach/configuration.nix

@@ -4,10 +4,6 @@
   config,
   ...
 }: {
-  # imports = [
-  #   ../../modules/nixos
-  # ];
-
   # Set hostname
   networking.hostName = lib.mkForce "yhwach"; # Define your hostname.
 
@@ -20,6 +16,8 @@
   # Set system time
   time.hardwareClockInLocalTime = true;
 
+  cosmic.enable = true;
+
   # Eanble fingerprint for framework laptop
   # fingerprint.enable = true;
 

modules/nixos/desktop/cosmic.nix

@@ -0,0 +1,21 @@
+{
+  inputs,
+  lib,
+  config,
+  ...
+}: {
+  imports = [
+    inputs.nixos-cosmic.nixosModules.default
+  ];
+
+  options.cosmic.enable = lib.mkEnableOption "Enable System76 DE: Cosmic (Alpha)";
+
+  config = lib.mkIf config.cosmic.enable {
+    nix.settings = {
+      substituters = ["https://cosmic.cachix.org/"];
+      trusted-public-keys = ["cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="];
+    };
+
+    services.desktopManager.cosmic.enable = true;
+  };
+}

modules/nixos/desktop/default.nix

@@ -5,6 +5,7 @@
   ...
 }: {
   imports = [
+    ./cosmic.nix
     ./gnome.nix
     ./hyprland.nix
     ./kde.nix
@@ -21,6 +22,7 @@
     # sway.enable = lib.mkForce false;
     # hyprland.enable = lib.mkForce false;
 
+    cosmic.enable = lib.mkDefault false;
     gnome.enable = lib.mkDefault true;
     kde.enable = lib.mkDefault false;
     sway.enable = lib.mkDefault true;