Add a Syzygy fetch config.

Review URL: https://codereview.chromium.org/1749213002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@299057 0039d316-1c4b-4281-b951-d872f2087c98

fetch_configs/syzygy.py

+# Copyright 2016 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=F0401
+
+
+# This class doesn't need an __init__ method, so we disable the warning
+# pylint: disable=W0232
+class Syzygy(config_util.Config):
+  """Basic Config class for Syzygy."""
+
+  @staticmethod
+  def fetch_spec(_props):
+    return {
+      'type': 'gclient_git',
+      'gclient_git_spec': {
+        'solutions': [
+          {
+            'name'     : 'src',
+            'url'      : 'https://github.com/google/syzygy.git',
+            'deps_file': 'DEPS',
+            'managed'  : False,
+          }
+        ],
+      },
+    }
+
+  @staticmethod
+  def expected_root(_props):
+    return 'src'
+
+
+def main(argv=None):
+  return Syzygy().handle_args(argv)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))