add localisation as a test

default.nix

@@ -0,0 +1,21 @@
+{ config, lib, pkgs, ... }:
+with lib;
+let
+  cfg = config.grimmShared;
+in {
+  options.grimmShared = {
+    enable = mkEnableOption "grimm-shared-modules";
+    
+    enableLocale = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Sets german units but english language";
+    };
+  };
+
+  config = with cfg; lib.mkIf (enable) {
+    imports = []
+      ++ optionals cfg.enableLocale [./modules/localisation.nix]
+    ;
+  };
+}

flake.lock

@@ -0,0 +1,77 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1710451336,
+        "narHash": "sha256-pP86Pcfu3BrAvRO7R64x7hs+GaQrjFes+mEPowCfkxY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d691274a972b3165335d261cc4671335f5c67de9",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,28 @@
+{
+  description = "A library flake for shared modules accross my installations";
+
+  inputs = {
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+    utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "flake:nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, utils, nixpkgs, ... }: let
+    lib = nixpkgs.lib;
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+    assembledModule = import ./.;
+  in {
+    nixosModules = rec {
+      grimmShared = assembledModule;
+      default = assembledModule;
+    };
+    # nixosModule = self.nixosModules.default; # compatibility
+  };
+}
+
+
+

modules/localisation.nix

@@ -0,0 +1,25 @@
+{
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+
+ console.keyMap = "de";
+
+  services.xserver.xkb = {
+    layout = "de";
+    variant = "";
+  };
+}