1 files changed, 31 insertions, 0 deletions
diff --git a/toolkit/components/normandy/metadata-script.js b/toolkit/components/normandy/metadata-script.js
new file mode 100644
index 0000000000..1f06a75c12
--- /dev/null
+++ b/toolkit/components/normandy/metadata-script.js
@@ -0,0 +1,31 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env xpcshell */
+/* globals print, quit, arguments */
+const { OS } = ChromeUtils.import("resource://gre/modules/osfile.jsm");
+const { RecipeRunner } = ChromeUtils.import(
+  "resource://normandy/lib/RecipeRunner.jsm"
+);
+
+if (arguments.length !== 1) {
+  print("Usage: capabilities-script.js OUTFILE");
+  quit(1);
+}
+
+main(...arguments);
+
+async function main(outPath) {
+  const capabililitySet = RecipeRunner.getCapabilities();
+  await OS.File.writeAtomic(
+    outPath,
+    JSON.stringify(
+      {
+        capabilities: Array.from(capabililitySet),
+      },
+      null,
+      4
+    )
+  );
+}