Only generate zips for Chrome extension samples whose contents have changed.

chrome/common/extensions/docs/build/build.py

 #!/usr/bin/python
 # Copyright (c) 2009 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.
 
 """Docbuilder for extension docs."""
 
 import os
 import os.path
 import shutil
@@ skipping 186 matching lines @@
       raise Exception("--page-name argument must be one of %s." %
                       ', '.join(sorted(page_names)))
 
   # Render a manifest file containing metadata about all the extension samples
   samples_manifest = SamplesManifest(_samples_dir, _base_dir, api_manifest)
   samples_manifest.writeToFile(_samples_json)
 
   # Write zipped versions of the samples listed in the manifest to the
   # filesystem, unless the user has disabled it
   if options.zips:
-    samples_manifest.writeZippedSamples()
+    modified_zips = samples_manifest.writeZippedSamples()
+  else:
+    modified_zips = []
 
   modified_files = RenderPages(page_names, test_shell)
+  modified_files.extend(modified_zips)
 
-  if (len(modified_files) == 0):
+  if len(modified_files) == 0:
     print "Output files match existing files. No changes made."
   else:
     print ("ATTENTION: EXTENSION DOCS HAVE CHANGED\n" +
            "The following files have been modified and should be checked\n" +
            "into source control (ideally in the same changelist as the\n" +
            "underlying files that resulting in their changing).")
     for f in modified_files:
-      print f
+      print " * %s" % f
 
   # Hack. Sleep here, otherwise windows doesn't properly close the debug.log
   # and the os.remove will fail with a "Permission denied".
   time.sleep(1)
   debug_log = os.path.normpath(_build_dir + "/" + "debug.log")
   if (os.path.isfile(debug_log)):
     os.remove(debug_log)
 
   if 'EX_OK' in dir(os):
     return os.EX_OK
   else:
     return 0
 
 if __name__ == '__main__':
   sys.exit(main())