msvs: fix regression in r1378, environment not set up properly for multiple actions on one input

test/many-actions/many-actions-unsorted.gyp

Index: test/many-actions/many-actions-unsorted.gyp
diff --git a/test/many-actions/many-actions-unsorted.gyp b/test/many-actions/many-actions-unsorted.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..eec79fe8d8570ce96804ef4c7c3393e62c4d42fd
--- /dev/null
+++ b/test/many-actions/many-actions-unsorted.gyp
@@ -0,0 +1,154 @@
+# 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.
+
+{
+  'target_defaults': {
+    'msvs_cygwin_dirs': ['../../../../<(DEPTH)/third_party/cygwin'],
+  },
+  'targets': [
+    {
+      'target_name': 'a',
+      'type': 'none',
+      'actions': [
+        # Notice that the inputs go 0, 1, ..., 0, 1, .... This is to test
+        # a regression in the msvs generator in _AddActions.
+        {
+          'action_name': 'do_0',
+          'inputs': ['file0'],
+          'outputs': ['<(PRODUCT_DIR)/generated_0.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_0.h',
+          ],
+        },
+        {
+          'action_name': 'do_1',
+          'inputs': ['file1'],
+          'outputs': ['<(PRODUCT_DIR)/generated_1.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_1.h',
+          ],
+        },
+        {
+          'action_name': 'do_2',
+          'inputs': ['file2'],
+          'outputs': ['<(PRODUCT_DIR)/generated_2.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_2.h',
+          ],
+        },
+        {
+          'action_name': 'do_3',
+          'inputs': ['file3'],
+          'outputs': ['<(PRODUCT_DIR)/generated_3.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_3.h',
+          ],
+        },
+        {
+          'action_name': 'do_4',
+          'inputs': ['file4'],
+          'outputs': ['<(PRODUCT_DIR)/generated_4.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_4.h',
+          ],
+        },
+        {
+          'action_name': 'do_5',
+          'inputs': ['file0'],
+          'outputs': ['<(PRODUCT_DIR)/generated_5.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_5.h',
+          ],
+        },
+        {
+          'action_name': 'do_6',
+          'inputs': ['file1'],
+          'outputs': ['<(PRODUCT_DIR)/generated_6.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_6.h',
+          ],
+        },
+        {
+          'action_name': 'do_7',
+          'inputs': ['file2'],
+          'outputs': ['<(PRODUCT_DIR)/generated_7.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_7.h',
+          ],
+        },
+        {
+          'action_name': 'do_8',
+          'inputs': ['file3'],
+          'outputs': ['<(PRODUCT_DIR)/generated_8.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_8.h',
+          ],
+        },
+        {
+          'action_name': 'do_9',
+          'inputs': ['file4'],
+          'outputs': ['<(PRODUCT_DIR)/generated_9.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_9.h',
+          ],
+        },
+        {
+          'action_name': 'do_10',
+          'inputs': ['file0'],
+          'outputs': ['<(PRODUCT_DIR)/generated_10.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_10.h',
+          ],
+        },
+        {
+          'action_name': 'do_11',
+          'inputs': ['file1'],
+          'outputs': ['<(PRODUCT_DIR)/generated_11.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_11.h',
+          ],
+        },
+        {
+          'action_name': 'do_12',
+          'inputs': ['file2'],
+          'outputs': ['<(PRODUCT_DIR)/generated_12.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_12.h',
+          ],
+        },
+        {
+          'action_name': 'do_13',
+          'inputs': ['file3'],
+          'outputs': ['<(PRODUCT_DIR)/generated_13.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_13.h',
+          ],
+        },
+        {
+          'action_name': 'do_14',
+          'inputs': ['file4'],
+          'outputs': ['<(PRODUCT_DIR)/generated_14.h'],
+          'action': [
+            'touch',
+            '<(PRODUCT_DIR)/generated_14.h',
+          ],
+        },
+      ],
+    },
+  ],
+}