Add a script that runs your changes to recipes in CI

This is required because changes to recipes cannot generally be tested in CI until
after the recipe has been *submitted*.

Change-Id: I4d3f2951e7116eb461c82126cbe5a8ae6a6a6964
Reviewed-on: https://gn-review.googlesource.com/c/gn/+/24821
Reviewed-by: Takuto Ikuta <tikuta@google.com>

tools/verify_recipe.py

diff --git a/tools/verify_recipe.py b/tools/verify_recipe.py
new file mode 100755
index 0000000..eecde73
--- /dev/null
+++ b/tools/verify_recipe.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# Copyright 2026 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import argparse
+import os
+import subprocess
+import sys
+
+REPO_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+def main():
+  os.chdir(REPO_ROOT)
+
+  parser = argparse.ArgumentParser(
+      description='Trigger remote tryjobs with local recipe modifications.')
+  parser.add_argument(
+      'cl',
+      help='Gerrit CL URL or number (e.g. 24801 or https://gn-review.googlesource.com/c/gn/+/24801)'
+  )
+  parser.add_argument(
+      '--platform',
+      '-p',
+      choices=['linux', 'mac', 'win'],
+      action='append',
+      help='Platform(s) to run tryjobs for. If omitted, runs all platforms.')
+
+  args = parser.parse_args()
+
+  cl = args.cl
+  if cl.isdigit():
+    cl = f'https://gn-review.googlesource.com/c/gn/+/{cl}'
+
+  platforms = list(dict.fromkeys(args.platform)) if args.platform else ['linux', 'mac', 'win']
+
+  print(f'Triggering tryjobs for CL: {cl}...')
+
+  for platform in platforms:
+    print(f'Triggering {platform} tryjob...')
+    p1 = subprocess.Popen(['led', 'get-builder', f'gn/try/{platform}'],
+                          stdout=subprocess.PIPE)
+    p2 = subprocess.Popen(['led', 'edit-cr-cl', cl],
+                          stdin=p1.stdout,
+                          stdout=subprocess.PIPE)
+    p3 = subprocess.Popen(['led', 'edit-recipe-bundle'],
+                          stdin=p2.stdout,
+                          stdout=subprocess.PIPE)
+    p4 = subprocess.Popen(['led', 'launch'], stdin=p3.stdout)
+
+    p1.stdout.close()
+    p2.stdout.close()
+    p3.stdout.close()
+
+    for p in [p4, p3, p2, p1]:
+      p.wait()
+      if p.returncode != 0:
+        print(f'Failed to launch tryjob for {platform}', file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+  main()