old_contents: #!/usr/bin/env python
  # Copyright 2013 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.
  
  """
  This file emits the list of reasons why a particular build needs to be clobbered
  (or a list of 'landmines').
  """
  
  import optparse
  import sys
  
  import landmine_utils
  
  
  builder = landmine_utils.platform
  distributor = landmine_utils.distributor
  gyp_defines = landmine_utils.gyp_defines
  gyp_msvs_version = landmine_utils.gyp_msvs_version
  platform = landmine_utils.platform
  
  
  def print_landmines(target):
    """
    ALL LANDMINES ARE EMITTED FROM HERE.
    target can be one of {'Release', 'Debug', 'Debug_x64', 'Release_x64'}.
    """
    if (distributor() == 'goma' and platform() == 'win32' and
        builder() == 'ninja'):
      print 'Need to clobber winja goma due to backend cwd cache fix.'
    if platform() == 'android':
      print 'Clobber: Resources removed in r195014 require clobber.'
    if platform() == 'win' and builder() == 'ninja':
      print 'Compile on cc_unittests fails due to symbols removed in r185063.'
    if platform() == 'linux' and builder() == 'ninja':
      print 'Builders switching from make to ninja will clobber on this.'
    if platform() == 'mac':
      print 'Switching from bundle to unbundled dylib (issue 14743002).'
    if platform() in ('win', 'mac'):
      print ('Improper dependency for create_nmf.py broke in r240802, '
             'fixed in r240860.')
    if (platform() == 'win' and builder() == 'ninja' and
        gyp_msvs_version() == '2012' and
        gyp_defines().get('target_arch') == 'x64' and
        gyp_defines().get('dcheck_always_on') == '1'):
      print "Switched win x64 trybots from VS2010 to VS2012."
    print 'Need to clobber everything due to an IDL change in r154579 (blink)'
  
  
  def main():
    parser = optparse.OptionParser()
    parser.add_option('-t', '--target',
                      help=='Target for which the landmines have to be emitted')
  
    options, args = parser.parse_args()
  
    if args:
      parser.error('Unknown arguments %s' % args)
  
    print_landmines(options.target)
    return 0
  
  
  if __name__ == '__main__':
    sys.exit(main())
  
new_contents: #!/usr/bin/env python
  # Copyright 2013 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.
  
  """
  This file emits the list of reasons why a particular build needs to be clobbered
  (or a list of 'landmines').
  """
  
  import optparse
  import sys
  
  import landmine_utils
  
  
  builder = landmine_utils.platform
  distributor = landmine_utils.distributor
  gyp_defines = landmine_utils.gyp_defines
  gyp_msvs_version = landmine_utils.gyp_msvs_version
  platform = landmine_utils.platform
  
  
  def print_landmines(target):
    """
    ALL LANDMINES ARE EMITTED FROM HERE.
    target can be one of {'Release', 'Debug', 'Debug_x64', 'Release_x64'}.
    """
    if (distributor() == 'goma' and platform() == 'win32' and
        builder() == 'ninja'):
      print 'Need to clobber winja goma due to backend cwd cache fix.'
    if platform() == 'android':
      print 'Clobber: Resources removed in r195014 require clobber.'
    if platform() == 'win' and builder() == 'ninja':
      print 'Compile on cc_unittests fails due to symbols removed in r185063.'
    if platform() == 'linux' and builder() == 'ninja':
      print 'Builders switching from make to ninja will clobber on this.'
    if platform() == 'mac':
      print 'Switching from bundle to unbundled dylib (issue 14743002).'
    if platform() in ('win', 'mac'):
      print ('Improper dependency for create_nmf.py broke in r240802, '
             'fixed in r240860.')
    if (platform() == 'win' and builder() == 'ninja' and
        gyp_msvs_version() == '2012' and
        gyp_defines().get('target_arch') == 'x64' and
        gyp_defines().get('dcheck_always_on') == '1'):
      print "Switched win x64 trybots from VS2010 to VS2012."
    if (platform() == 'win' and builder() == 'ninja' and
        gyp_msvs_version() == '2013'):
      print "Switched win from VS2010 to VS2013."
    print 'Need to clobber everything due to an IDL change in r154579 (blink)'
  
  
  def main():
    parser = optparse.OptionParser()
    parser.add_option('-t', '--target',
                      help=='Target for which the landmines have to be emitted')
  
    options, args = parser.parse_args()
  
    if args:
      parser.error('Unknown arguments %s' % args)
  
    print_landmines(options.target)
    return 0
  
  
  if __name__ == '__main__':
    sys.exit(main())
  
subject: Add landmine for 2013 switch