Add fetch config node

The node config is an alias of node-ci, which builds upstream Node.js
with bundled V8 instead.

This config will be used by maintainers of Node.js to test the GN build
of Node.js.

Bug: v8:13803
Change-Id: Ib67c54a24c5f8aee79d8f6eab50a9b697f28daeb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5232378
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Josip Sokcevic <sokcevic@chromium.org>

fetch_configs/node.py

@@ -0,0 +1,46 @@
+# Copyright 2024 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 sys
+
+import config_util  # pylint: disable=import-error
+
+
+# This class doesn't need an __init__ method, so we disable the warning
+# pylint: disable=no-init
+class Node(config_util.Config):
+    """An alias of node-ci config that build upstream node."""
+
+    @staticmethod
+    def fetch_spec(props):
+        url = 'https://chromium.googlesource.com/v8/node-ci.git'
+        return {
+            'type': 'gclient_git',
+            'gclient_git_spec': {
+                'solutions': [{
+                    'name': 'node',
+                    'url': url,
+                    'deps_file': 'DEPS',
+                    'managed': False,
+                    'custom_deps': {},
+                    'custom_vars': {
+                        'build_upstream_node': True,
+                        'node_url': 'https://github.com/nodejs/node.git',
+                        'node_revision': 'main',
+                    },
+                }],
+            },
+        }
+
+    @staticmethod
+    def expected_root(_props):
+        return 'node'
+
+
+def main(argv=None):
+    return Node().handle_args(argv)
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))