Working on modularizing stuff

default.nix

@@ -0,0 +1,22 @@
+{ inputs, config, lib, pkgs, ... }:
+let
+  inherit (builtins) toString;
+  inherit (lib.attrsets) attrValues filterAttrs mapAttrs mapAttrsToList;
+  inherit (lib.modules) mkAliasOptionModule mkDefault mkIf;
+  inherit (lib.my) mapModulesRec';
+in
+{
+  imports = [
+      inputs.home-manager.nixosModules.home-manager
+      (mkAliasOptionModule ["hm"] ["home-manager" "users" config.user.name])
+    ]
+    ++  (mapModulesRec' (toString ./modules) import);
+
+  environments.variables = {
+  };  
+
+  system = {
+    stateVersion = "23.11";
+    configurationRevision = with inputs; mkIf (self ? rev) self.rev;
+  };
+}

flake.nix

@@ -12,17 +12,54 @@
     stylix.url = "github:danth/stylix";
   };
 
-  outputs = { self, nixpkgs, ... }@inputs: {
+  outputs = { self, nixpkgs, ... }@inputs: let
-    nixosConfigurations = {
+    inherit (lib.my) mapModules mapModules mapHosts;
-      default = nixpkgs.lib.nixosSystem {
+
-        specialArgs = {inherit inputs;};
+    mkPkgs = pkgs: extraOverlays:
-        modules = [
+      import pkgs {
-          ./hosts/default/configuration.nix
+        inherit system;
-          inputs.home-manager.nixosModules.default
+        config.allowUnfree = true;
-          inputs.stylix.nixosModules.stylix
+        overlays = extraOverlays ++ (lib.attrValues self.overlays);
-        ];
+      };
-      };
+    pkgs = mkPkgs nixpkgs [self.overlays.default];
+    pkgs-unstable = mkPkgs nixpkgs-unstable [];
+
+    lib = nixpkgs.lib.extend (final: prev: {
+      my = import ./lib {
+        inherit pkgs inputs;
+        
+        lib = final;
+      };
+    });
+  in {
+    lib = lib.my;
+
+    packages."${system}" = mapModules ./paclages (p: pkgs.callPackage p {});
+
+    nixosModules =
+      {
+        chris = import ./.;
+      }
+      // mapModulesRec ./modules import;
+
+    nixosConfigurations = mapHosts ./hosts {};
+
+    devShells."${system}".default = import ./shell.nix { inherit lib pkgs; };
+
+
+
+#    nixosConfigurations = {
+#      pc = nixpkgs.lib.nixosSystem {
+#        specialArgs = {inherit inputs;};
+#        modules = [
+#          ./hosts/pc/default.nix
+#          inputs.home-manager.nixosModules.default
+#          inputs.stylix.nixosModules.stylix
+#        ];
+#      };
+#    };
+
+
     
-    };
   };
 }

hosts/laptop/default.nix

@@ -0,0 +1,2 @@
+{}:
+{}

hosts/pc/default.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+{
+  imports = [ ./hardware-configuration.nix ];
+
+  modules = {
+    themes.active = "everforrest";
+
+    desktop = {
+      plasma.enable = true;
+
+      terminal = {
+        default = "alacritty";
+        allacrity.enable = true;
+      };
+
+      editors = {
+        default = "nano";
+        nano.enable = true;
+      };
+
+      browsers = {
+        default = "firefox";
+        firefox.enable = true;
+      };
+    };
+
+    shell = {
+      default = "zsh";
+      toolset = {
+        git.enable = true;
+        gnupg.enable = true;
+      };
+    };
+  };
+}
+

hosts/pc/default.nix.back

@@ -3,6 +3,7 @@
   imports = [
     ./hardware-configuration.nix
     ../../modules/system/boot.nix
+    ../../modules/system/networking.nix
     ../../modules/system/audio.nix
     ../../modules/system/zsa_voyager.nix
     
@@ -25,33 +26,8 @@
     allowUnfree = true;
   };
 
-  networking.hostName = "chris-pc";
-  # Pick only one of the below networking options.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
-
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
-  # Set your time zone.
-  time.timeZone = "Europe/Amsterdam";
-
-  # Enable the X11 windowing system.
-  services.xserver.enable = true;
-
-
-  # Enable sound.
-  sound.enable = false;
-  hardware.pulseaudio.enable = false;
-  users.extraGroups.audio.members = [ "chris" ];
-  security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    jack.enable = true;
-  };
-
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.chris = {
     isNormalUser = true;
@@ -76,7 +52,6 @@
 #    chromium
     thunderbird
     zoxide
-    bottles
     atuin
     btop
     dust
@@ -86,9 +61,6 @@
     nextcloud-client
   ];
 
-  # session variable for chrome/electron wayland
-  environment.sessionVariables.NIXOS_OZONE_WL = "1";
-
   systemd.services.numLockOnTty = {
     wantedBy = [ "multi-user.target" ];
     serviceConfig = {

hosts/server/default.nix

@@ -0,0 +1,2 @@
+{}:
+{}

lib/attrs.nix

@@ -0,0 +1,21 @@
+{ lib, ... }:
+let
+  inherit (lib.lists) any count;
+  inherit (lib.attrsets) filterAttrs listToAttrs mapAttrs' mapAttrsToList;
+in rec
+{
+  attrsToList = attrs: 
+    mapAttrsToList (name: value: { inherit name value; }) attrs;
+
+  mapFilterAttrs = pred: f: attrs: 
+    filterAttrs pred (mapAttrs' f attrs);
+
+  getAttrs' = values: f: 
+    listToAttrs (map f values);
+
+  anyAttrs = pred: attrs: 
+    any (attr: pred attr.name attr.value) (attrsToList attrs);
+
+  countAttrs = pred: attrs:
+    count (attr: pred attr.name attr.value) (attrsToList attrs);
+}

lib/default.nix

@@ -0,0 +1,22 @@
+{ inputs, lib, pkgs, ... }:
+let
+  inherit (lib.attrsets) attrValues;
+  inherit (lib.fixedPoints) makeExtensible;
+  inherit (lib.lists) foldr;
+  inherit (modules) mapModules;
+
+  modules = import ./modules.nix {
+    inherit lib;
+    
+    self.attrs = import ./attrs.nix {
+      inherit lib;
+
+      self = {};
+    };
+  };
+
+  mylib = makeExensible (self: 
+    mapModules ./. (file: import file { inherit self lib pkgs inputs; })
+  );
+in 
+  mylib.extend (self: super: foldr (a: b: a // b) {} (attrValues super))

lib/modules.nix

@@ -0,0 +1,36 @@
+{ lib, self, ... }:
+let
+  inherit (builtins) attrValues readDir pathExists concatLists;
+  inherit (lib.attrsets) mapAttrsToList filterAttrs nameValuePair;
+  inherit (lib.strings) hasPrefix hasSuffix removeSuffix;
+  inherit (lib.trivial) id;
+  inherit (self.attrs) mapFilterAttrs;
+in rec
+{
+  mapModules = dir: fn:
+    mapFilterAttrs (n: v: v != null && !(hasPrefix "_" n)) (n: v: let path = "${toString dir}/${n}"; in 
+      if v == "directory" && pathExists "${path}/default.nix"
+        then nameValuePair n (fn path)
+      else if v == "regular" && n != "default.nix" && hasSuffix ".nix" n
+        then nameValuePair (removeSuffix ".nix" n) (fn path)
+      else nameValuePair "" null
+    ) (readDir dir);
+
+  mapModules' = dir: fn: attrValues (mapModules dir fn);
+
+  mapModulesRec = dir: fn:
+    mapFilterAttrs (n: v: v != null && !(hasPrefix "_" n)) (n: v: let path = "${toString dir}/${n}"; in 
+      if v == "directory" && pathExists "${path}/default.nix"
+        then nameValuePair n (mapModulesRec path fn)
+      else if v == "regular" && n != "default.nix" && hasSuffix ".nix" n
+        then nameValuePair (removeSuffix ".nix" n) (fn path)
+      else nameValuePair "" null
+    ) (readDir dir);
+
+  mapModulesRec' = dir: fn: let
+    dirs = mapAttrsToList (k: _: "${dir}/${k}") (filterAttrs (n: v: v == "directory" && !(hasPrefix "_" n)) (readDir dir));
+    files = attrValues (mapModules dir id);
+    paths = files ++ contactLists (map (d: mapModulesRec' d id) dirs);
+  in
+    map fn paths;
+}

lib/nixos.nix

@@ -0,0 +1,30 @@
+{ inputs, lib, pkgs, self, ... }:
+let
+  inherit (inputs.nixpkgs.lib) nixosSystem;
+  inherit (builtins) baseNameOf elem;
+  inherit (lib.attrsets) filterAttrs;
+  inherit (lib.modules) mkDefault;
+  inherit (lib.strings) removeSuffix;
+  inherit (self.modules) mapModules;
+in rec
+{
+  mkHost = path: attrs @ {sytem ? "x86_64-linux", ...}:
+    nixosSystem {
+      inherit system;
+
+      specialArgs = { inherit lib input system; };
+
+      modules = [
+        {
+          nixpkgs.pkgs = pkgs;
+          networking.hostName = mkDefault (removeSuffix ".nix" (baseNameOf path));
+        }
+        (filterAttrs (n: v: !elem n ["system"]) attrs)
+        ../. # ../default.nix
+        (import path)
+      ];
+    };
+
+    mapHosts = dir: attrs @ { system ? system, ... }:
+      mapModules dir (hostPath: mkHost hostPath attrs);
+}

modules/desktop/plasma.nix

@@ -1,6 +1,8 @@
 { pkgs, ... }:
 {
   services = {
+    xserver.enable = true;
+
     displayManager = {
       sddm = {
         enable = true;
@@ -11,9 +13,11 @@
         user = "chris";
       };
     };
+
+    desktopManager.plasma6.enable = true;
   };
 
-  services.desktopManager.plasma6.enable = true;
+  environment.sessionVariables.NIXOS_OZONE_WL = "1";
 
   environment.plasma6.excludePackages = with pkgs.kdePackages; [
     konsole

modules/system/boot.nix

@@ -2,6 +2,8 @@
 {
   boot.loader.systemd-boot-enable = true;
 
+  time.timeZone = "Europe/Amsterdam";
+  
   fileSystems."/home/chris/new_games" = {
     device = "/dev/disk/by-label/games";
     fsType = "ext4";

modules/system/networking.nix

@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+{
+  networking = {
+    hostName = "chris-pc";
+    networkmanager.enable = true;
+  };
+}

shell.nix

@@ -0,0 +1,22 @@
+{ lib, pkgs ? import <nixpkgs> {} }:
+let
+  inherit (lib.attrsets) attrValues;
+  inherit (lib.meta) getExe;
+in
+  pkgs.mkShell {
+    buildInputs = attrValues {
+      inherit (pkgs) git nix-bash-completions;
+    };
+
+    shellHook = let
+      inherit (pkgs) nixStable writeShelScriptBin;
+
+      nixBin = writeShellScriptBin "nix" ''
+        ${ getExe nixStable} --option experimental-features "nix-command flakes" "$@"
+      '';
+    in ''
+      export FLAKE="$(pwd)"
+      export PATH="$FLAKE/bin:${nixBin}/bin:$PATH"
+    '';
+  }
+