GYP: Make GYP build deterministic

test/determinism/needed-variables.gyp

Index: test/determinism/needed-variables.gyp
diff --git a/test/rules/src/input-root.gyp b/test/determinism/needed-variables.gyp
similarity index 56%
copy from test/rules/src/input-root.gyp
copy to test/determinism/needed-variables.gyp
index b6600e767c8ead8db822da0561f1ef5f5bd53fc8..022165bebd4e5e6f9b720159163b3428860f6876 100644
--- a/test/rules/src/input-root.gyp
+++ b/test/determinism/needed-variables.gyp
@@ -1,4 +1,4 @@
-# Copyright (c) 2011 Google Inc. All rights reserved.
+# Copyright (c) 2015 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -7,13 +7,22 @@
     {
       'target_name': 'test',
       'type': 'executable',
-      'sources': [ 'somefile.ext', ],
+      'sources': ['rule.ext'],
       'rules': [{
         'rule_name': 'rule',
         'extension': 'ext',
         'inputs': [ 'rule.py', ],
-        'outputs': [ '<(RULE_INPUT_ROOT).cc', ],
-        'action': [ 'python', 'rule.py', '<(RULE_INPUT_ROOT)', ],
+        'action': [
+          'python',
+          'rule.py',
+          '<(RULE_INPUT_ROOT)',
+          '<(RULE_INPUT_EXT)',
+          '<(RULE_INPUT_DIRNAME)',
+          '<(RULE_INPUT_NAME)',
+          '<(RULE_INPUT_PATH)',
+        ],
+        'outputs': [ 'hello_world.txt' ],
+        'sources': ['rule.ext'],
         'message': 'Processing <(RULE_INPUT_PATH)',
         'process_outputs_as_sources': 1,
         # Allows the test to run without hermetic cygwin on windows.