Add --ignore to gclient recurse

gclient.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.
 
 """Meta checkout manager supporting both Subversion and GIT.
 
 Files
   .gclient      : Current client configuration, written by 'config' command.
                   Format is a Python script defining 'solutions', a list whose
@@ skipping 560 matching lines @@
         scm = gclient_scm.GetScmName(parsed_url)
         if not options.scm or scm in options.scm:
           cwd = os.path.normpath(os.path.join(self.root.root_dir, self.name))
           # Pass in the SCM type as an env variable
           env = os.environ.copy()
           if scm:
             env['GCLIENT_SCM'] = scm
           if parsed_url:
             env['GCLIENT_URL'] = parsed_url
           if os.path.isdir(cwd):
-            gclient_utils.CheckCallAndFilter(
-                args, cwd=cwd, env=env, print_stdout=True)
+            try:
+              gclient_utils.CheckCallAndFilter(
+                  args, cwd=cwd, env=env, print_stdout=True)
+            except subprocess2.CalledProcessError:
+              if not options.ignore:
+                raise
           else:
             print >> sys.stderr, 'Skipped missing %s' % cwd
 
     # Always parse the DEPS file.
     self.ParseDepsFile()
 
     self._run_is_done(file_list, parsed_url)
 
     if self.recursion_limit:
       # Parse the dependencies of this dependency.
@@ skipping 554 matching lines @@
 @attr('usage', '[command] [args ...]')
 def CMDrecurse(parser, args):
   """Operates on all the entries.
 
   Runs a shell command on all entries.
   """
   # Stop parsing at the first non-arg so that these go through to the command
   parser.disable_interspersed_args()
   parser.add_option('-s', '--scm', action='append', default=[],
                     help='choose scm types to operate upon')
+  parser.add_option('-i', '--ignore', action='store_true',
+                    help='continue processing in case of non zero return code')
   options, args = parser.parse_args(args)
   if not args:
     print >> sys.stderr, 'Need to supply a command!'
     return 1
   root_and_entries = gclient_utils.GetGClientRootAndEntries()
   if not root_and_entries:
     print >> sys.stderr, (
         'You need to run gclient sync at least once to use \'recurse\'.\n'
         'This is because .gclient_entries needs to exist and be up to date.')
     return 1
@@ skipping 392 matching lines @@
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   fix_encoding.fix_encoding()
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: