4 files changed, 114 insertions, 0 deletions
diff --git a/deps/gyp/test/restat/gyptest-restat.py b/deps/gyp/test/restat/gyptest-restat.py
new file mode 100644
index 0000000000..87379044dd
--- /dev/null
+++ b/deps/gyp/test/restat/gyptest-restat.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2012 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.
+
+"""
+Verify that dependent rules are executed iff a dependency action modifies its
+outputs.
+"""
+
+import TestGyp
+import os
+
+test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
+
+test.run_gyp('restat.gyp', chdir='src')
+
+chdir = 'relocate/src'
+test.relocate('src', chdir)
+
+# Building 'dependent' the first time generates 'side_effect', but building it
+# the second time doesn't, because 'create_intermediate' doesn't update its
+# output.
+test.build('restat.gyp', 'dependent', chdir=chdir)
+test.built_file_must_exist('side_effect', chdir=chdir)
+os.remove(test.built_file_path('side_effect', chdir=chdir))
+test.build('restat.gyp', 'dependent', chdir=chdir)
+test.built_file_must_not_exist('side_effect', chdir=chdir)
+
+test.pass_test()
diff --git a/deps/gyp/test/restat/src/create_intermediate.py b/deps/gyp/test/restat/src/create_intermediate.py
new file mode 100644
index 0000000000..a4d7450371
--- /dev/null
+++ b/deps/gyp/test/restat/src/create_intermediate.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2012 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.
+
+import os
+import sys
+
+"""
+Create argv[1] iff it doesn't already exist.
+"""
+
+outfile = sys.argv[1]
+if os.path.exists(outfile):
+  sys.exit()
+open(outfile, "wb").close()
diff --git a/deps/gyp/test/restat/src/restat.gyp b/deps/gyp/test/restat/src/restat.gyp
new file mode 100644
index 0000000000..ff020e0ce6
--- /dev/null
+++ b/deps/gyp/test/restat/src/restat.gyp
@@ -0,0 +1,50 @@
+# Copyright (c) 2012 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.
+
+{
+  'targets': [
+    {
+      'target_name': 'create_intermediate',
+      'type': 'none',
+      'msvs_cygwin_shell': '0',
+      'actions': [
+        {
+          'action_name': 'create_intermediate',
+          'inputs': [
+            'create_intermediate.py',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/intermediate',
+            'ALWAYS.run.ALWAYS',
+          ],
+          'action': [
+            'python', 'create_intermediate.py', '<(PRODUCT_DIR)/intermediate',
+          ],
+        },
+      ],
+    },
+    {
+      'target_name': 'dependent',
+      'type': 'none',
+      'msvs_cygwin_shell': '0',
+      'dependencies': [
+        'create_intermediate',
+      ],
+      'actions': [
+        {
+          'action_name': 'dependent',
+          'inputs': [
+            '<(PRODUCT_DIR)/intermediate',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/dependent'
+          ],
+          'action': [
+            'python', 'touch.py', '<(PRODUCT_DIR)/dependent', '<(PRODUCT_DIR)/side_effect',
+          ],
+        },
+      ],
+    },
+  ],
+}
diff --git a/deps/gyp/test/restat/src/touch.py b/deps/gyp/test/restat/src/touch.py
new file mode 100644
index 0000000000..7cd781a90c
--- /dev/null
+++ b/deps/gyp/test/restat/src/touch.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2012 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.
+
+import os
+import sys
+
+"""Cross-platform touch."""
+
+for fname in sys.argv[1:]:
+  if os.path.exists(fname):
+    os.utime(fname, None)
+  else:
+    open(fname, 'w').close()