We out here

modules/home-manager/default.nix

@@ -1,3 +1,3 @@
 {
-  imports = [];
+  imports = [./mail.nix];
 }

modules/home-manager/git.nix

@@ -0,0 +1,40 @@
+[commit]
+	gpgsign = true
+[user]
+	name = Aner Zakobar
+	email = aner@zakobar.com
+	signingkey = 6D17E295C70E2674
+[credential]
+    helper = !pass-git-helper $@
+
+{ lib, config, pkgs, ... }:
+let
+  isEnabled =
+    config.azos.git.enable;
+in {
+    optionns.azos.git.enable = lib.mkOption {
+      default = true;
+      example = true;
+      type = lib.types.bool;
+    };
+
+    config = lib.mkIf isEnabled {
+
+      home.packages = with pkgs; [ pass-git-helper ];
+
+      programs.git = {
+        enable = true;
+        userName = "Aner Zakobar";
+        userEmail = "aner@zakobar.com";
+
+        signing = {
+          key = "6D17E295C70E2674";
+          signByDefault = true;
+        };
+
+        extraConfig = {
+          credential.helper = "!pass-git-helper $@";
+        };
+      };
+    };
+}

modules/home-manager/mail.nix

@@ -0,0 +1,16 @@
+#https://xeiaso.net/talks/asg-2023-nixos/ example
+{ lib, config, pkgs, ... }:
+let
+  isEnabled =
+    config.azos.mail.enable;
+in {
+    optionns.azos.mail.enable = lib.mkOption {
+      default = true;
+      example = true;
+      type = lib.types.bool;
+    };
+
+    config = lib.mkIf isEnabled {
+      home.file."mail.txt".text = ''Mail enabled'';
+    };
+}