feat(git): Use Ediff

modules/home/users/crumb/git.nix

@@ -21,6 +21,19 @@ in {
           enable = true;
           userEmail = my-email;
           userName = my-name;
+          extraConfig = {
+            diff = {
+              tool = "ediff";
+              guitool = "ediff";
+            };
+            difftool.ediff.cmd =
+              "${../../../../scripts/ediff/ediff} $LOCAL $REMOTE $MERGED";
+            merge.tool = "ediff";
+            mergetool.ediff = {
+              cmd = "${../../../../scripts/ediff/ediff} $LOCAL $REMOTE $MERGED";
+              trustExitCode = true;
+            };
+          };
         };
 
         home.shellAliases = {