example-vm/default.nix

@@ -0,0 +1,40 @@
+{
+  import = [ ./vm_config.nix ];
+
+  time.timeZone = "Europe/Berlin";
+  i18n.defaultLocale = "en_US.UTF-8";
+  users.users.jdoe = {
+    password = "example";
+    isNormalUser = true;
+    extraGroups = [
+      "wheel"
+      "video"
+      "networkmanager"
+    ];
+  };
+  home-manager.users.jdoe = {
+    home = {
+      username = "jdoe";
+      homeDirectory = "/home/jdoe";
+    };
+    jhome = {
+      enable = true;
+      gui.enable = true;
+      dev = {
+        enable = true;
+        rust.enable = true;
+      };
+    };
+  };
+
+  # password is 'test' see module documentation for more options
+  services.jupyter.password = "'sha1:1b961dc713fb:88483270a63e57d18d43cf337e629539de1436ba'";
+  jconfig = {
+    enable = true;
+    dev = {
+      enable = true;
+      jupyter.enable = true;
+    };
+    gui.enable = true;
+  };
+}

example-vm/vm-config.nix

@@ -1,7 +1,13 @@
+## Default QEMU guest config
 {
-  services.qemuGuest.enable = true;
+  services = {
+    qemuGuest.enable = true;
+    openssh.enable = true;
+  };
 
-  boot.initrd.availableKernelModules = [
+  boot = {
+    loader.systemd-boot.enable = true;
+    initrd.availableKernelModules = [
       "xhci_pci"
       "ehci_pci"
       "ahci"
@@ -15,17 +21,14 @@
       # "virtio_vga"
       "virtio_gpu"
     ];
+  };
   fileSystems."/".device = "/dev/disk/by-label/nixos";
 
-  boot.loader.systemd-boot.enable = true;
-
-  services.openssh.enable = true;
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "22.11"; # Did you read the comment?
+  system.stateVersion = "24.11"; # Did you read the comment?
 }

flake-modules/example-vm.nix

@@ -8,47 +8,11 @@ in
 {
   # Example vm configuration
   flake.nixosConfigurations.vm = lib.nixosSystem {
-    inherit system pkgs;
+    inherit pkgs;
     modules = [
-      inputs.self.nixosModules.vm # import vm module
+      inputs.self.nixosModules.default
-      {
+      ../example-vm # import vm configuration
-        time.timeZone = "Europe/Berlin";
+      { nix.registry.nixpkgs.flake = inputs.nixpkgs; }
-        i18n.defaultLocale = "en_US.UTF-8";
-        users.users.jdoe = {
-          password = "example";
-          isNormalUser = true;
-          extraGroups = [
-            "wheel"
-            "video"
-            "networkmanager"
-          ];
-        };
-        home-manager.users.jdoe = {
-          home = {
-            username = "jdoe";
-            homeDirectory = "/home/jdoe";
-          };
-          jhome = {
-            enable = true;
-            gui.enable = true;
-            dev = {
-              enable = true;
-              rust.enable = true;
-            };
-          };
-        };
-        nix.registry.nixpkgs.flake = inputs.nixpkgs;
-        # password is 'test' see module documentation for more options
-        services.jupyter.password = "'sha1:1b961dc713fb:88483270a63e57d18d43cf337e629539de1436ba'";
-        jconfig = {
-          enable = true;
-          dev = {
-            enable = true;
-            jupyter.enable = true;
-          };
-          gui.enable = true;
-        };
-      }
     ];
   };
 

flake-modules/home-modules.nix

@@ -1,7 +1,4 @@
 { self, inputs, ... }:
-let
-  modules = ../modules;
-in
 {
   # FIXME(25.05): this version of HM should have the flake module
   # imports = [ inputs.home-manager.flakeModules.home-manager ];
@@ -11,7 +8,7 @@ in
       defaultModules = [
         inputs.nixvim.homeManagerModules.nixvim
         self.nixvimModules.homeManager
-        (modules + "/hm")
+        ../module/hm
       ];
       nixos = {
         imports = defaultModules;

flake-modules/nixos-modules.nix

@@ -4,17 +4,15 @@
   lib,
   ...
 }:
-let
-  modules = ../modules;
-in
 {
   flake.nixosModules =
     let
       nixosModule = {
         imports = [
+          inputs.niri.nixosModules.niri
           inputs.stylix.nixosModules.stylix
           inputs.home-manager.nixosModules.home-manager
-          (modules + "/nixos")
+          ../modules/nixos
         ] ++ lib.optional (inputs.lix-module != null) inputs.lix-module.nixosModules.default;
         home-manager = {
           useGlobalPkgs = true;
@@ -24,20 +22,9 @@ in
         # Pin nixpkgs
         nix.registry.nixpkgs.flake = inputs.nixpkgs;
       };
-
-      machines = [ "vm" ];
-      mkMachine = hostname: {
-        imports = [
-          nixosModule
-          (import (../machines + "/${hostname}"))
-        ];
-        home-manager.sharedModules = [ { jhome.hostName = hostname; } ];
-      };
-      machineModules = lib.genAttrs machines mkMachine;
     in
     {
       default = nixosModule;
       inherit nixosModule;
-    }
+    };
-    // machineModules;
 }

flake-modules/nixvim-modules.nix

@@ -1,7 +1,4 @@
 { self, inputs, ... }:
-let
-  modules = ../modules;
-in
 {
   imports = [ inputs.nixvim.flakeModules.default ];
 
@@ -10,9 +7,13 @@ in
     checks.enable = false; # FIXME: borked due to nix-community/nixvim#3074
   };
 
-  flake.nixvimModules = {
+  flake.nixvimModules =
-    standalone = modules + "/nixvim/standalone.nix";
+    let
-    homeManager = modules + "/nixvim";
+      module = ../modules/nixvim;
+    in
+    {
+      standalone = "${module}/standalone.nix";
+      homeManager = module;
     };
 
   perSystem =

flake.lock

@@ -275,6 +275,50 @@
         "url": "https://git.lix.systems/lix-project/nixos-module/archive/2.92.0.tar.gz"
       }
     },
+    "niri": {
+      "inputs": {
+        "niri-stable": "niri-stable",
+        "niri-unstable": [],
+        "nixpkgs": [
+          "unstable"
+        ],
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ],
+        "xwayland-satellite-stable": "xwayland-satellite-stable",
+        "xwayland-satellite-unstable": []
+      },
+      "locked": {
+        "lastModified": 1742108116,
+        "narHash": "sha256-NrV9ysEfSbeRUPo0jdCBeesuNLTVrpHGXg40snH1YGE=",
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "rev": "824f10012de455a1d0ef795a605f28948ee10467",
+        "type": "github"
+      },
+      "original": {
+        "owner": "sodiboo",
+        "repo": "niri-flake",
+        "type": "github"
+      }
+    },
+    "niri-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1740117926,
+        "narHash": "sha256-mTTHA0RAaQcdYe+9A3Jx77cmmyLFHmRoZdd8RpWa+m8=",
+        "owner": "YaLTeR",
+        "repo": "niri",
+        "rev": "b94a5db8790339cf9134873d8b490be69e02ac71",
+        "type": "github"
+      },
+      "original": {
+        "owner": "YaLTeR",
+        "ref": "v25.02",
+        "repo": "niri",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1742388435,
@@ -334,6 +378,7 @@
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",
         "lix-module": "lix-module",
+        "niri": "niri",
         "nixpkgs": "nixpkgs",
         "nixvim": "nixvim",
         "stylix": "stylix",
@@ -471,6 +516,23 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "xwayland-satellite-stable": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1739246919,
+        "narHash": "sha256-/hBM43/Gd0/tW+egrhlWgOIISeJxEs2uAOIYVpfDKeU=",
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "rev": "44590a416d4a3e8220e19e29e0b6efe64a80315d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Supreeeme",
+        "ref": "v0.5.1",
+        "repo": "xwayland-satellite",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -43,6 +43,17 @@
         nuschtosSearch.follows = "";
       };
     };
+    niri = {
+      url = "github:sodiboo/niri-flake";
+      inputs = {
+        # Deduplicate
+        nixpkgs.follows = "unstable";
+        nixpkgs-stable.follows = "nixpkgs";
+        # Unused
+        niri-unstable.follows = "";
+        xwayland-satellite-unstable.follows = "";
+      };
+    };
     flake-parts = {
       url = "github:hercules-ci/flake-parts";
       inputs.nixpkgs-lib.follows = "nixpkgs";