Decouple config spec from use

README.md

@@ -92,7 +92,7 @@ Run `nix run` to activate this configuration in your system.
 
 To browse the capabilities of [home-manager] (and to see what else can go in your `./modules/home/*.nix` -- such as shell aliases), consult [home-manager options reference](https://nix-community.github.io/home-manager/options.xhtml). You can also run `man home-configuration.nix` in the terminal.
 
-Global configuration is in `./modules/flake-parts/config.nix`. Here, you can specify your user name, email and such settings.
+Global configuration is in the `./config.nix` file. Here, you can specify your user name, email and such settings.
 
 ## What's included
 

config.nix

@@ -0,0 +1 @@
+./modules/flake-parts/config.nix

modules/flake-parts/config-module.nix

@@ -0,0 +1,24 @@
+{ lib, ... }:
+{
+  options = {
+    me = lib.mkOption {
+      default = { };
+      type = lib.types.submodule {
+        options = {
+          username = lib.mkOption {
+            type = lib.types.str;
+            description = "Your username as shown by `id -un`";
+          };
+          fullname = lib.mkOption {
+            type = lib.types.str;
+            description = "Your full name for use in Git config";
+          };
+          email = lib.mkOption {
+            type = lib.types.str;
+            description = "Your email for use in Git config";
+          };
+        };
+      };
+    };
+  };
+}

modules/flake-parts/config.nix

@@ -1,27 +1,10 @@
-{ lib, ... }:
+# Global configuration for this repo
+#
+# See ./modules/flake-parts/config-module.nix for schema
 {
-  options = {
-    me = lib.mkOption {
-      default = { };
-      type = lib.types.submodule {
-        options = {
-          username = lib.mkOption {
-            type = lib.types.str;
-            default = "runner";
-            description = "Your username as shown by `id -un`";
-          };
-          fullname = lib.mkOption {
-            type = lib.types.str;
-            default = "John Doe";
-            description = "Your full name for use in Git config";
-          };
-          email = lib.mkOption {
-            type = lib.types.str;
-            default = "[email protected]";
-            description = "Your email for use in Git config";
-          };
-        };
-      };
-    };
+  me = {
+    username = "runner";
+    fullname = "John Doe";
+    email = "[email protected]";
   };
 }