Upload SDK builds to gs://dartium-archive . This step will only

dart.gyp

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'compiler',
       'type': 'none',
       'dependencies': [
@@ skipping 42 matching lines @@
           ],
           'action': [
             'python',
             'tools/create_sdk.py',
             '<(PRODUCT_DIR)/sdk'
           ],
           'message': 'Creating SDK.',
         },
       ],
     },
+    {
+      'target_name': 'upload_sdk',
+      'type': 'none',
+      'dependencies': [
+        'sdk',
+      ],
+      'actions': [
+        {
+          'action_name': 'upload_sdk',
+          'inputs': [
+            '<(PRODUCT_DIR)/sdk',
+            'tools/upload_sdk.py',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/sdk',
+          ],
+          'action': [
+            'python',
+            'tools/upload_sdk.py',
+            '<(PRODUCT_DIR)/sdk'
+          ],
+        },
+      ],
+    }
     # TODO(ngeoffray): Fling does not have proper dependencies,
     # so don't build it for now.
     #{
     #  'target_name': 'client',
     #  'type': 'none',
     #  'dependencies': [
     #    'client/dart.gyp:fling',
     #  ],
     #},
   ],
 }