xref: /aosp_15_r20/external/cronet/build/del_ninja_deps_cache.py (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1#!/usr/bin/env python3
2# Copyright 2022 The Chromium Authors
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5"""Delete .ninja_deps if it references files inside a libc++ dir which has
6since been reverted back to a file, and would cause Ninja fail on Windows. See
7crbug.com/1337238"""
8
9import os
10import sys
11
12
13def main():
14  os.chdir(os.path.join(os.path.dirname(__file__), '..'))
15
16  # Paths that have switched between being a directory and regular file.
17  bad_dirs = [
18      'buildtools/third_party/libc++/trunk/include/__string',
19      'buildtools/third_party/libc++/trunk/include/__tuple',
20  ]
21
22  for bad_dir in bad_dirs:
23    if os.path.isdir(bad_dir):
24      # If it's a dir, .ninja_deps referencing files in it is not a problem.
25      continue
26
27    for out_dir in os.listdir('out'):
28      ninja_deps = os.path.join('out', out_dir, '.ninja_deps')
29      try:
30        if str.encode(bad_dir) + b'/' in open(ninja_deps, 'rb').read():
31          print('Deleting', ninja_deps)
32          os.remove(ninja_deps)
33      except FileNotFoundError:
34        pass
35
36  return 0
37
38
39if __name__ == '__main__':
40  sys.exit(main())
41