Ensure git is clean after builds to prevent state code being released

adeira-source-id: 756426ee0ee0860312653f5a9c19dc0504b7d3c6

scripts/ensure-clean-git.js

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) Michael Dougall. All rights reserved.
+ *
+ * This source code is licensed under the GPL-3.0 license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+const { spawnSync } = require("node:child_process");
+
+const { output, status } = spawnSync("git diff --exit-code", {
+  shell: true,
+});
+
+if (status !== null && status !== 0) {
+  // eslint-disable-next-line no-console
+  console.error(
+    `
+===== Unexpected Uncommitted Changes =====
+${output.join("\n").trim()}
+==========================================
+`,
+  );
+  process.exit(1);
+}