1#!/usr/bin/env python
2# Copyright 2013 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6"""
7This file emits the list of reasons why a particular build needs to be clobbered
8(or a list of 'landmines').
9"""
10
11import sys
12
13import landmine_utils
14
15
16builder = landmine_utils.builder
17distributor = landmine_utils.distributor
18gyp_defines = landmine_utils.gyp_defines
19gyp_msvs_version = landmine_utils.gyp_msvs_version
20platform = landmine_utils.platform
21
22
23def print_landmines():
24  """
25  ALL LANDMINES ARE EMITTED FROM HERE.
26  """
27  if (distributor() == 'goma' and platform() == 'win32' and
28      builder() == 'ninja'):
29    print 'Need to clobber winja goma due to backend cwd cache fix.'
30  if platform() == 'android':
31    print 'Clobber: To delete generated mojo class files.'
32  if platform() == 'win' and builder() == 'ninja':
33    print 'Compile on cc_unittests fails due to symbols removed in r185063.'
34  if platform() == 'linux' and builder() == 'ninja':
35    print 'Builders switching from make to ninja will clobber on this.'
36  if platform() == 'mac':
37    print 'Switching from bundle to unbundled dylib (issue 14743002).'
38  if platform() in ('win', 'mac'):
39    print ('Improper dependency for create_nmf.py broke in r240802, '
40           'fixed in r240860.')
41  if (platform() == 'win' and builder() == 'ninja' and
42      gyp_msvs_version() == '2012' and
43      gyp_defines().get('target_arch') == 'x64' and
44      gyp_defines().get('dcheck_always_on') == '1'):
45    print "Switched win x64 trybots from VS2010 to VS2012."
46  if (platform() == 'win' and builder() == 'ninja' and
47      gyp_msvs_version().startswith('2013')):
48    print "Switched win from VS2010 to VS2013."
49    print "Update to VS2013 Update 2."
50  print 'Need to clobber everything due to an IDL change in r154579 (blink)'
51  print 'Need to clobber everything due to gen file moves in r175513 (Blink)'
52  if (platform() != 'ios'):
53    print 'Clobber to get rid of obselete test plugin after r248358'
54    print 'Clobber to rebuild GN files for V8'
55  print 'Need to clobber everything due to build_nexe change in nacl r13424'
56  print '[chromium-dev] PSA: clobber build needed for IDR_INSPECTOR_* compil...'
57  print 'blink_resources.grd changed: crbug.com/400860'
58  print 'ninja dependency cycle: crbug.com/408192'
59
60
61def main():
62  print_landmines()
63  return 0
64
65
66if __name__ == '__main__':
67  sys.exit(main())
68