diff --git a/.gitignore b/.gitignore
index 9eb9936..fcfc4a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
-example/**/flake.lock
 result*
diff --git a/example/flake.lock b/example/flake.lock
new file mode 100644
index 0000000..02fbec7
--- /dev/null
+++ b/example/flake.lock
@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783776592,
+        "narHash": "sha256-UgCQzxeWI75XM8G+hPrPh+MKzEPjG3SpAj7dtqSbksA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e7a3ca8092b61ff85b6a45bf863ea2b2d6a661b3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nu2nix": {
+      "locked": {
+        "lastModified": 1783959862,
+        "narHash": "sha256-7zx5FFQXo3/SfAood6XpbWvwDjKXH8LUiytgzyQMZoo=",
+        "ref": "refs/heads/main",
+        "rev": "8544660c0c39f35fd59a8afb5e8e1ceb0c5b3515",
+        "revCount": 11,
+        "type": "git",
+        "url": "https://tangled.org/csw.im/nu2nix"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://tangled.org/csw.im/nu2nix"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "nu2nix": "nu2nix",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}