diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c4a847d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/result
diff --git a/home/tools/dev.nix b/home/tools/dev.nix
index 956c432..82ad1c3 100644
--- a/home/tools/dev.nix
+++ b/home/tools/dev.nix
@@ -11,6 +11,7 @@
 
     # Nix
     pkgs.nix-diff
+    pkgs.nvd
     pkgs.nixfmt-tree
   ];
 }
diff --git a/nix-update-and-diff.sh b/nix-update-and-diff.sh
new file mode 100755
index 0000000..e566443
--- /dev/null
+++ b/nix-update-and-diff.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+nix flake update
+nixos-rebuild build --flake .
+nvd diff /run/current-system ./result