1 files changed, 41 insertions, 0 deletions
diff --git a/modules/localization.nix b/modules/localization.nix
new file mode 100644
index 0000000..49933fa
--- /dev/null
+++ b/modules/localization.nix
@@ -0,0 +1,41 @@
+{ config, lib, ... }:
+let
+  cfg = config.os.core.locale;
+in
+{
+  options.os.core.locale = {
+    enable = lib.mkEnableOption "system localization (timezone and language)";
+
+    timeZone = lib.mkOption {
+      type = lib.types.str;
+      default = "Europe/Warsaw";
+      description = "the system timezone.";
+    };
+
+    format = lib.mkOption {
+      type = lib.types.str;
+      default = "pl_PL.UTF-8";
+      description = "the locale used for numbers, time, and measurements.";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    time.timeZone = cfg.timeZone;
+
+    i18n = {
+      defaultLocale = "en_US.UTF-8";
+
+      extraLocaleSettings = {
+        LC_TIME = cfg.format;
+        LC_NUMERIC = cfg.format;
+        LC_MONETARY = cfg.format;
+        LC_PAPER = cfg.format;
+        LC_MEASUREMENT = cfg.format;
+        LC_COLLATE = cfg.format;
+        LC_NAME = cfg.format;
+        LC_ADDRESS = cfg.format;
+        LC_TELEPHONE = cfg.format;
+        LC_IDENTIFICATION = cfg.format;
+      };
+    };
+  };
+}