pinwheel: Set git editor to vim

hosts/pinwheel/modules/vim/default.nix

@@ -1,4 +1,7 @@
-{ ... }:
+{ lib, config, ... }:
+let
+  gitEnabled = config.mod.git.enable;
+in
 {
   home-manager.users.alex = {
     programs.vim = {
@@ -8,5 +11,13 @@
         set noswapfile
       '';
     };
+
+    programs.git = lib.mkIf gitEnabled {
+      extraConfig = {
+        core = {
+          editor = "vim";
+        };
+      };
+    };
   };
 }