Unified home and system modules!

modules/dev/git.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.samfelag.modules.dev.git;
+in
+{
+  options.samfelag.modules.dev.git = with lib.types; {
+    enable = lib.mkEnableOption "git";
+    userName = lib.my.mkOpt str config.user.name;
+    userEmail = lib.my.mkOpt (nullOr str) null;
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      git
+    ];
+    hm.programs.git = {
+      enable = true;
+
+      userName = cfg.userName;
+      userEmail = cfg.userEmail;
+
+      extraConfig = {
+        init.defaultBranch = "main";
+      };
+    };
+  };
+}