Allow gclient revert to remove symlinks

gclient_scm.py

 # 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.
 
 """Gclient-specific SCM-specific operations."""
 
 import logging
 import os
 import posixpath
 import re
@@ skipping 467 matching lines @@
         print(file_path)
       if file_status[0].isspace():
         logging.error('No idea what is the status of %s.\n'
                       'You just found a bug in gclient, please ping '
                       'maruel@chromium.org ASAP!' % file_path)
       # svn revert is really stupid. It fails on inconsistent line-endings,
       # on switched directories, etc. So take no chance and delete everything!
       try:
         if not os.path.exists(file_path):
           pass
-        elif os.path.isfile(file_path):
+        elif os.path.isfile(file_path) or os.path.islink(file_path):
           logging.info('os.remove(%s)' % file_path)
           os.remove(file_path)
         elif os.path.isdir(file_path):
           logging.info('gclient_utils.RemoveDirectory(%s)' % file_path)
           gclient_utils.RemoveDirectory(file_path)
         else:
           logging.error('no idea what is %s.\nYou just found a bug in gclient'
                         ', please ping maruel@chromium.org ASAP!' % file_path)
       except EnvironmentError:
         logging.error('Failed to remove %s.' % file_path)
@@ skipping 22 matching lines @@
     command = ['status']
     command.extend(args)
     if not os.path.isdir(path):
       # svn status won't work if the directory doesn't exist.
       print("\n________ couldn't run \'%s\' in \'%s\':\nThe directory "
             "does not exist."
             % (' '.join(command), path))
       # There's no file list to retrieve.
     else:
       self.RunAndGetFileList(options, command, path, file_list)