Create VisualElementsManifest.xml from template -- install VisualElements in the version directory

chrome/tools/build/win/create_installer_archive.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Script to create Chrome Installer archive.
 
   This script is used to create an archive of all the files required for a
   Chrome install in appropriate directory structure. It reads chrome.release
   file as input, creates chrome.7z archive, compresses setup.exe and
@@ skipping 99 matching lines @@
 def CopySectionFilesToStagingDir(config, section, staging_dir, build_dir):
   """Copies installer archive files specified in section to staging dir.
   This method copies reads section from config file and copies all the files
   specified to staging dir.
   """
   for option in config.options(section):
     if option.endswith('dir'):
       continue
 
     dst = os.path.join(staging_dir, config.get(section, option))
-    if not os.path.exists(dst):
+    files = glob.glob(os.path.join(build_dir, option))
+    if len(files) > 0 and not os.path.exists(dst):
       os.makedirs(dst)
-    for file in glob.glob(os.path.join(build_dir, option)):
+    for file in files:
       dst_file = os.path.join(dst, os.path.basename(file))
       if not os.path.exists(dst_file):
         shutil.copy(file, dst)
 
 def GenerateDiffPatch(options, orig_file, new_file, patch_file):
   if (options.diff_algorithm == "COURGETTE"):
     exe_file = os.path.join(options.last_chrome_installer, COURGETTE_EXEC)
     cmd = '%s -gen "%s" "%s" "%s"' % (exe_file, orig_file, new_file, patch_file)
   else:
     exe_file = os.path.join(options.build_dir, BSDIFF_EXEC)
@@ skipping 273 matching lines @@
   if not options.resource_file_path:
     options.options.resource_file_path = os.path.join(options.build_dir,
                                                       MINI_INSTALLER_INPUT_FILE)
 
   return options
 
 
 if '__main__' == __name__:
   print sys.argv
   sys.exit(main(_ParseOptions()))