Adds the ability for 'copies' in Xcode project files to specify the 'Code Sign on Copy' option.

pylib/gyp/generator/xcode.py

 # 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 filecmp
 import gyp.common
 import gyp.xcodeproj_file
 import gyp.xcode_ninja
 import errno
 import os
@@ skipping 1112 matching lines @@
         AddHeaderToTarget(header, pbxp, xct, True)
 
     # Add "copies".
     pbxcp_dict = {}
     for copy_group in spec.get('copies', []):
       dest = copy_group['destination']
       if dest[0] not in ('/', '$'):
         # Relative paths are relative to $(SRCROOT).
         dest = '$(SRCROOT)/' + dest
 
+      code_sign = int(copy_group.get('xcode_code_sign', 0))
+      settings = (None, '{ATTRIBUTES = (CodeSignOnCopy, ); }')[code_sign];
+
       # Coalesce multiple "copies" sections in the same target with the same
       # "destination" property into the same PBXCopyFilesBuildPhase, otherwise
       # they'll wind up with ID collisions.
       pbxcp = pbxcp_dict.get(dest, None)
       if pbxcp is None:
         pbxcp = gyp.xcodeproj_file.PBXCopyFilesBuildPhase({
               'name': 'Copy to ' + copy_group['destination']
             },
             parent=xct)
         pbxcp.SetDestination(dest)
 
         # TODO(mark): The usual comment about this knowing too much about
         # gyp.xcodeproj_file internals applies.
         xct._properties['buildPhases'].insert(prebuild_index, pbxcp)
 
         pbxcp_dict[dest] = pbxcp
 
       for file in copy_group['files']:
-        pbxcp.AddFile(file)
+        pbxcp.AddFile(file, settings)
 
     # Excluded files can also go into the project file.
     if not skip_excluded_files:
       for key in ['sources', 'mac_bundle_resources', 'mac_framework_headers',
                   'mac_framework_private_headers']:
         excluded_key = key + '_excluded'
         for item in spec.get(excluded_key, []):
           pbxp.AddOrGetFileInRootGroup(item)
 
     # So can "inputs" and "outputs" sections of "actions" groups.
@@ skipping 87 matching lines @@
 
   for build_file in build_files:
     xcode_projects[build_file].Finalize1(xcode_targets, serialize_all_tests)
 
   for build_file in build_files:
     xcode_projects[build_file].Finalize2(xcode_targets,
                                          xcode_target_to_target_dict)
 
   for build_file in build_files:
     xcode_projects[build_file].Write()