cosmic module

flake.lock

@@ -24,6 +24,27 @@
         "type": "github"
       }
     },
+    "cosmic": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-stable": "nixpkgs-stable",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1728530651,
+        "narHash": "sha256-b3icYsSiWvjeunpgoRmvmCxh1ak+oXpWEqHuzNgC7wM=",
+        "owner": "lilyinstarlight",
+        "repo": "nixos-cosmic",
+        "rev": "9bdf58ccc52095d846186cb3549122205b36991a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lilyinstarlight",
+        "repo": "nixos-cosmic",
+        "type": "github"
+      }
+    },
     "crane": {
       "locked": {
         "lastModified": 1725409566,
@@ -99,8 +120,7 @@
     "gpdPocket3_home-manager": {
       "inputs": {
         "nixpkgs": [
-          "nixos-cosmic",
+          "gpdPocket3_nixpkgs"
-          "nixpkgs-stable"
         ]
       },
       "locked": {
@@ -118,6 +138,22 @@
         "type": "github"
       }
     },
+    "gpdPocket3_nixpkgs": {
+      "locked": {
+        "lastModified": 1728500571,
+        "narHash": "sha256-dOymOQ3AfNI4Z337yEwHGohrVQb4yPODCW9MDUyAc4w=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d51c28603def282a24fa034bcb007e2bcb5b5dd0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "h002_home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -214,27 +250,6 @@
         "type": "github"
       }
     },
-    "nixos-cosmic": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "nixpkgs": "nixpkgs",
-        "nixpkgs-stable": "nixpkgs-stable",
-        "rust-overlay": "rust-overlay"
-      },
-      "locked": {
-        "lastModified": 1728530651,
-        "narHash": "sha256-b3icYsSiWvjeunpgoRmvmCxh1ak+oXpWEqHuzNgC7wM=",
-        "owner": "lilyinstarlight",
-        "repo": "nixos-cosmic",
-        "rev": "9bdf58ccc52095d846186cb3549122205b36991a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "lilyinstarlight",
-        "repo": "nixos-cosmic",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1728241625,
@@ -1146,16 +1161,13 @@
     },
     "root": {
       "inputs": {
+        "cosmic": "cosmic",
         "gpdPocket3_home-manager": "gpdPocket3_home-manager",
-        "gpdPocket3_nixpkgs": [
+        "gpdPocket3_nixpkgs": "gpdPocket3_nixpkgs",
-          "nixos-cosmic",
-          "nixpkgs-stable"
-        ],
         "h002_home-manager": "h002_home-manager",
         "h002_nixpkgs": "h002_nixpkgs",
         "joe_home-manager": "joe_home-manager",
         "joe_nixpkgs": "joe_nixpkgs",
-        "nixos-cosmic": "nixos-cosmic",
         "nixpkgs_stable": "nixpkgs_stable",
         "nypkgs": "nypkgs",
         "ragenix": "ragenix",
@@ -1165,7 +1177,7 @@
     "rust-overlay": {
       "inputs": {
         "nixpkgs": [
-          "nixos-cosmic",
+          "cosmic",
           "nixpkgs"
         ]
       },

flake.nix

@@ -20,15 +20,10 @@
       inputs.nixpkgs.follows = "h002_nixpkgs";
     };
 
-    # COSMIC
+    gpdPocket3_nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
-    nixos-cosmic = {
-      url = "github:lilyinstarlight/nixos-cosmic";
-      # inputs.nixpkgs.follows = "nixos-cosmic/nixpkgs";
-    };
-    gpdPocket3_nixpkgs.follows = "nixos-cosmic/nixpkgs-stable";
     gpdPocket3_home-manager = {
       url = "github:nix-community/home-manager/release-24.05";
-      inputs.nixpkgs.follows = "nixos-cosmic/nixpkgs-stable";
+      inputs.nixpkgs.follows = "gpdPocket3_nixpkgs";
     };
 
     nixpkgs_stable.url = "github:nixos/nixpkgs/nixos-24.05";
@@ -47,6 +42,9 @@
       url = "git+https://git.joshuabell.xyz/nvim";
     };
 
+    cosmic = {
+      url = "github:lilyinstarlight/nixos-cosmic";
+    };
   };
 
   outputs =
@@ -91,6 +89,9 @@
             inherit user;
             nixpkgs = gpdPocket3_nixpkgs;
             home-manager = gpdPocket3_home-manager;
+            # There is no way to support top level conditional imports in modules using that module's options...
+            # so for now I have this hack until I want to make this more broad
+            uses_cosmic = true;
           };
         }
         {
@@ -127,12 +128,21 @@
         acc
         // {
           "${nixConfig.name}" =
-            nixConfig.settings.nixpkgs.lib.nixosSystem {
+            let
-              modules = [
+              lib = nixConfig.settings.nixpkgs.lib;
-                ./hosts/_common/configuration.nix
+              ylib = nypkgs.legacyPackages.${nixConfig.opts.system}.lib;
-              ];
+            in
+            (lib.nixosSystem {
+              modules =
+                [
+                  ./hosts/_common/configuration.nix
+                ]
+                ++ ylib.umport {
+                  path = lib.fileset.maybeMissing ./modules;
+                  recursive = true;
+                };
               specialArgs = inputs // {
-                ylib = nypkgs.legacyPackages.${nixConfig.opts.system}.lib;
+                inherit ylib;
                 settings =
                   directories
                   // nixConfig.settings
@@ -142,7 +152,7 @@
                     };
                   };
               };
-            }
+            })
             // nixConfig.opts;
         }
       ) { } myHosts;

hosts/_common/components/cosmic.nix

@@ -1,11 +1,11 @@
-{ nixos-cosmic, pkgs, ... }:
+{ cosmic, ... }:
 {
   nix.settings = {
     substituters = [ "https://cosmic.cachix.org/" ];
     trusted-public-keys = [ "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE=" ];
   };
 
-  imports = [ nixos-cosmic.nixosModules.default ];
+  imports = [ cosmic.nixosModules.default ];
 
   services.desktopManager.cosmic.enable = true;
   services.displayManager.cosmic-greeter.enable = true;

hosts/gpdPocket3/configuration.nix

@@ -4,7 +4,7 @@
   pkgs,
   settings,
   ...
-}@args:
+}:
 {
   imports = [
     # Common components this machine uses
@@ -16,7 +16,7 @@
     # (settings.hostsDir + "/_common/components/audio.nix")
     (settings.hostsDir + "/_common/components/home_manager.nix")
     # (settings.hostsDir + "/_common/components/gnome_wayland.nix")
-    (settings.hostsDir + "/_common/components/cosmic.nix")
+    # (settings.hostsDir + "/_common/components/cosmic.nix")
     (settings.hostsDir + "/_common/components/docker.nix")
     (settings.hostsDir + "/_common/components/nebula.nix")
     # Users this machine has
@@ -27,30 +27,7 @@
     # ./stupid-keyboard-2.nix
   ];
 
-  nixpkgs.overlays = [
+  my_modules.de_cosmic.enable = true;
-    (final: prev: {
-      cosmic-comp = prev.cosmic-comp.overrideAttrs (prevAttrs: {
-        patches = (prevAttrs.patches or [ ]) ++ [
-          (final.writeText "cosmic-comp-disable-direct-scanout.patch" ''
-            diff --git a/src/backend/kms/surface/mod.rs b/src/backend/kms/surface/mod.rs
-            index d0cfb8d..32aaf4a 100644
-            --- a/src/backend/kms/surface/mod.rs
-            +++ b/src/backend/kms/surface/mod.rs
-            @@ -624,7 +624,8 @@ impl SurfaceThreadState {
-                         cursor_size,
-                         Some(gbm),
-                     ) {
-            -            Ok(compositor) => {
-            +            Ok(mut compositor) => {
-            +                compositor.use_direct_scanout(false);
-                             self.active.store(true, Ordering::SeqCst);
-                             self.compositor = Some(compositor);
-                             Ok(())
-          '')
-        ];
-      });
-    })
-  ];
 
   # machine specific configuration
   # ==============================

modules/de_cosmic.nix

@@ -0,0 +1,34 @@
+{
+  cosmic,
+  config,
+  lib,
+  settings,
+  ...
+}:
+with lib;
+let
+  # name = "de_cosmic";
+  # cfg = config.my_modules.${name};
+in
+{
+
+  options = {
+    my_modules.de_cosmic = {
+      enable = mkEnableOption (lib.mdDoc "Enable COSMIC desktop environment");
+    };
+  };
+
+  # Import the module from nix flake https://github.com/lilyinstarlight/nixos-cosmic
+  imports = optional settings.uses_cosmic cosmic.nixosModules.default;
+
+  config = mkIf config.my_modules.de_cosmic.enable {
+    # Use cosmic binary cache
+    nix.settings = {
+      substituters = [ "https://cosmic.cachix.org/" ];
+      trusted-public-keys = [ "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE=" ];
+    };
+
+    services.desktopManager.cosmic.enable = true;
+    services.displayManager.cosmic-greeter.enable = true;
+  };
+}

modules/de_gnome_wayland.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  name = "de_gnome_wayland";
+  cfg = config.my_modules.${name};
+in
+{
+  options = {
+    my_modules.${name} = {
+      enable = mkEnableOption (lib.mdDoc "Enable GNOME with wayland desktop environment");
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # TODO
+  };
+}

modules/de_gnome_xorg.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib;
+let
+  name = "de_gnome_xorg";
+  cfg = config.my_modules.${name};
+in
+{
+  options = {
+    my_modules.${name} = {
+      enable = mkEnableOption "Enable GNOME with wayland desktop environment";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # TODO
+  };
+}
+

modules/validations.nix

@@ -0,0 +1,22 @@
+{ lib, config, ... }:
+{
+  # config.assertions = [
+  #   {
+  #     assertion =
+  #       lib.length (
+  #         lib.filter (x: x) [
+  #           config.my_modules.de_cosmic.enable
+  #           config.my_modules.de_gnome_xorg.enable
+  #           config.my_modules.de_gnome_wayland.enable
+  #         ]
+  #       ) <= 1;
+  #     message = ''
+  #       Configuration Error: Multiple desktop environments are enabled.
+  #       Please enable only one of the following:
+  #         - my_modules.de_cosmic.enable
+  #         - my_modules.de_gnome_xorg.enable
+  #         - my_modules.de_gnome_wayland.enable
+  #     '';
+  #   }
+  # ];
+}