Removes files from //build that we don't need

build/landmines.py

Index: build/landmines.py
diff --git a/build/landmines.py b/build/landmines.py
deleted file mode 100755
index 0ea2b64058d6dc3ea50ce7b649b776fc31ca2345..0000000000000000000000000000000000000000
--- a/build/landmines.py
+++ /dev/null
@@ -1,134 +0,0 @@
-#!/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.
-
-"""
-This script runs every build as the first hook (See DEPS). If it detects that
-the build should be clobbered, it will delete the contents of the build
-directory.
-
-A landmine is tripped when a builder checks out a different revision, and the
-diff between the new landmines and the old ones is non-null. At this point, the
-build is clobbered.
-"""
-
-import difflib
-import errno
-import logging
-import optparse
-import os
-import sys
-import subprocess
-import time
-
-import clobber
-import landmine_utils
-
-
-SRC_DIR = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
-
-
-def get_build_dir(build_tool, is_iphone=False):
-  """
-  Returns output directory absolute path dependent on build and targets.
-  Examples:
-    r'c:\b\build\slave\win\build\src\out'
-    '/mnt/data/b/build/slave/linux/build/src/out'
-    '/b/build/slave/ios_rel_device/build/src/xcodebuild'
-
-  Keep this function in sync with tools/build/scripts/slave/compile.py
-  """
-  ret = None
-  if build_tool == 'xcode':
-    ret = os.path.join(SRC_DIR, 'xcodebuild')
-  elif build_tool in ['make', 'ninja', 'ninja-ios']:  # TODO: Remove ninja-ios.
-    if 'CHROMIUM_OUT_DIR' in os.environ:
-      output_dir = os.environ.get('CHROMIUM_OUT_DIR').strip()
-      if not output_dir:
-        raise Error('CHROMIUM_OUT_DIR environment variable is set but blank!')
-    else:
-      output_dir = landmine_utils.gyp_generator_flags().get('output_dir', 'out')
-    ret = os.path.join(SRC_DIR, output_dir)
-  else:
-    raise NotImplementedError('Unexpected GYP_GENERATORS (%s)' % build_tool)
-  return os.path.abspath(ret)
-
-
-def clobber_if_necessary(new_landmines):
-  """Does the work of setting, planting, and triggering landmines."""
-  out_dir = get_build_dir(landmine_utils.builder())
-  landmines_path = os.path.normpath(os.path.join(out_dir, '..', '.landmines'))
-  try:
-    os.makedirs(out_dir)
-  except OSError as e:
-    if e.errno == errno.EEXIST:
-      pass
-
-  if os.path.exists(landmines_path):
-    with open(landmines_path, 'r') as f:
-      old_landmines = f.readlines()
-    if old_landmines != new_landmines:
-      old_date = time.ctime(os.stat(landmines_path).st_ctime)
-      diff = difflib.unified_diff(old_landmines, new_landmines,
-          fromfile='old_landmines', tofile='new_landmines',
-          fromfiledate=old_date, tofiledate=time.ctime(), n=0)
-      sys.stdout.write('Clobbering due to:\n')
-      sys.stdout.writelines(diff)
-
-      clobber.clobber(out_dir)
-
-  # Save current set of landmines for next time.
-  with open(landmines_path, 'w') as f:
-    f.writelines(new_landmines)
-
-
-def process_options():
-  """Returns a list of landmine emitting scripts."""
-  parser = optparse.OptionParser()
-  parser.add_option(
-      '-s', '--landmine-scripts', action='append',
-      default=[os.path.join(SRC_DIR, 'build', 'get_landmines.py')],
-      help='Path to the script which emits landmines to stdout. The target '
-           'is passed to this script via option -t. Note that an extra '
-           'script can be specified via an env var EXTRA_LANDMINES_SCRIPT.')
-  parser.add_option('-v', '--verbose', action='store_true',
-      default=('LANDMINES_VERBOSE' in os.environ),
-      help=('Emit some extra debugging information (default off). This option '
-          'is also enabled by the presence of a LANDMINES_VERBOSE environment '
-          'variable.'))
-
-  options, args = parser.parse_args()
-
-  if args:
-    parser.error('Unknown arguments %s' % args)
-
-  logging.basicConfig(
-      level=logging.DEBUG if options.verbose else logging.ERROR)
-
-  extra_script = os.environ.get('EXTRA_LANDMINES_SCRIPT')
-  if extra_script:
-    return options.landmine_scripts + [extra_script]
-  else:
-    return options.landmine_scripts
-
-
-def main():
-  landmine_scripts = process_options()
-
-  if landmine_utils.builder() in ('dump_dependency_json', 'eclipse'):
-    return 0
-
-
-  landmines = []
-  for s in landmine_scripts:
-    proc = subprocess.Popen([sys.executable, s], stdout=subprocess.PIPE)
-    output, _ = proc.communicate()
-    landmines.extend([('%s\n' % l.strip()) for l in output.splitlines()])
-  clobber_if_necessary(landmines)
-
-  return 0
-
-
-if __name__ == '__main__':
-  sys.exit(main())