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			289 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
			
		
		
	
	
			289 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
#!/usr/bin/env python
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Applies an issue from Rietveld.
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"""
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import getpass
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import json
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import logging
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import optparse
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import os
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import subprocess
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import sys
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import urllib2
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import breakpad  # pylint: disable=W0611
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import annotated_gclient
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import auth
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import checkout
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import fix_encoding
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import gclient_utils
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import rietveld
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import scm
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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class Unbuffered(object):
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  """Disable buffering on a file object."""
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  def __init__(self, stream):
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    self.stream = stream
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  def write(self, data):
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    self.stream.write(data)
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    self.stream.flush()
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  def __getattr__(self, attr):
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    return getattr(self.stream, attr)
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def main():
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  # TODO(pgervais): This function is way too long. Split.
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  sys.stdout = Unbuffered(sys.stdout)
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  parser = optparse.OptionParser(description=sys.modules[__name__].__doc__)
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  parser.add_option(
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      '-v', '--verbose', action='count', default=0,
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      help='Prints debugging infos')
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  parser.add_option(
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      '-e', '--email',
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      help='Email address to access rietveld.  If not specified, anonymous '
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           'access will be used.')
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  parser.add_option(
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      '-E', '--email-file',
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      help='File containing the email address to access rietveld. '
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           'If not specified, anonymous access will be used.')
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  parser.add_option(
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      '-k', '--private-key-file',
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      help='Path to file containing a private key in p12 format for OAuth2 '
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           'authentication with "notasecret" password (as generated by Google '
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           'Cloud Console).')
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  parser.add_option(
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      '-i', '--issue', type='int', help='Rietveld issue number')
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  parser.add_option(
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      '-p', '--patchset', type='int', help='Rietveld issue\'s patchset number')
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  parser.add_option(
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      '-r',
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      '--root_dir',
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      default=os.getcwd(),
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      help='Root directory to apply the patch')
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  parser.add_option(
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      '-s',
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      '--server',
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      default='http://codereview.chromium.org',
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      help='Rietveld server')
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  parser.add_option('--no-auth', action='store_true',
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                    help='Do not attempt authenticated requests.')
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  parser.add_option('--revision-mapping', default='{}',
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                    help='When running gclient, annotate the got_revisions '
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                         'using the revision-mapping.')
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  parser.add_option('-f', '--force', action='store_true',
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                    help='Really run apply_issue, even if .update.flag '
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                         'is detected.')
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  parser.add_option('-b', '--base_ref', help='DEPRECATED do not use.')
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  parser.add_option('--whitelist', action='append', default=[],
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                    help='Patch only specified file(s).')
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  parser.add_option('--blacklist', action='append', default=[],
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                    help='Don\'t patch specified file(s).')
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  parser.add_option('-d', '--ignore_deps', action='store_true',
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                    help='Don\'t run gclient sync on DEPS changes.')
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  auth.add_auth_options(parser)
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  options, args = parser.parse_args()
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  auth_config = auth.extract_auth_config_from_options(options)
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  if options.whitelist and options.blacklist:
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    parser.error('Cannot specify both --whitelist and --blacklist')
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  if options.email and options.email_file:
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    parser.error('-e and -E options are incompatible')
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  if (os.path.isfile(os.path.join(os.getcwd(), 'update.flag'))
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      and not options.force):
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    print 'update.flag file found: bot_update has run and checkout is already '
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    print 'in a consistent state. No actions will be performed in this step.'
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    return 0
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  logging.basicConfig(
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      format='%(levelname)5s %(module)11s(%(lineno)4d): %(message)s',
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      level=[logging.WARNING, logging.INFO, logging.DEBUG][
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          min(2, options.verbose)])
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  if args:
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    parser.error('Extra argument(s) "%s" not understood' % ' '.join(args))
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  if not options.issue:
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    parser.error('Require --issue')
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  options.server = options.server.rstrip('/')
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  if not options.server:
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    parser.error('Require a valid server')
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  options.revision_mapping = json.loads(options.revision_mapping)
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  # read email if needed
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  if options.email_file:
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    if not os.path.exists(options.email_file):
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      parser.error('file does not exist: %s' % options.email_file)
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    with open(options.email_file, 'rb') as f:
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      options.email = f.read().strip()
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  print('Connecting to %s' % options.server)
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  # Always try un-authenticated first, except for OAuth2
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  if options.private_key_file:
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    # OAuth2 authentication
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    obj = rietveld.JwtOAuth2Rietveld(options.server,
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                                     options.email,
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                                     options.private_key_file)
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    properties = obj.get_issue_properties(options.issue, False)
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  else:
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    # Passing None as auth_config disables authentication.
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    obj = rietveld.Rietveld(options.server, None)
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    properties = None
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    # Bad except clauses order (HTTPError is an ancestor class of
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    # ClientLoginError)
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    # pylint: disable=E0701
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    try:
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      properties = obj.get_issue_properties(options.issue, False)
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    except urllib2.HTTPError as e:
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      if e.getcode() != 302:
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        raise
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      if options.no_auth:
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        exit('FAIL: Login detected -- is issue private?')
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      # TODO(maruel): A few 'Invalid username or password.' are printed first,
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      # we should get rid of those.
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    except rietveld.upload.ClientLoginError as e:
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      # Fine, we'll do proper authentication.
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      pass
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    if properties is None:
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      obj = rietveld.Rietveld(options.server, auth_config, options.email)
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      try:
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        properties = obj.get_issue_properties(options.issue, False)
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      except rietveld.upload.ClientLoginError as e:
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        print('Accessing the issue requires proper credentials.')
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        return 1
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  if not options.patchset:
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    options.patchset = properties['patchsets'][-1]
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    print('No patchset specified. Using patchset %d' % options.patchset)
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  issues_patchsets_to_apply = [(options.issue, options.patchset)]
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  depends_on_info = obj.get_depends_on_patchset(options.issue, options.patchset)
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  while depends_on_info:
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    depends_on_issue = int(depends_on_info['issue'])
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    depends_on_patchset = int(depends_on_info['patchset'])
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    try:
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      depends_on_info = obj.get_depends_on_patchset(depends_on_issue,
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                                                    depends_on_patchset)
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      issues_patchsets_to_apply.insert(0, (depends_on_issue,
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                                           depends_on_patchset))
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    except urllib2.HTTPError:
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      print ('The patchset that was marked as a dependency no longer '
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             'exists: %s/%d/#ps%d' % (
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                 options.server, depends_on_issue, depends_on_patchset))
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      print 'Therefore it is likely that this patch will not apply cleanly.'
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      print
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      depends_on_info = None
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  num_issues_patchsets_to_apply = len(issues_patchsets_to_apply)
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  if num_issues_patchsets_to_apply > 1:
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    print
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    print 'apply_issue.py found %d dependent CLs.' % (
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        num_issues_patchsets_to_apply - 1)
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    print 'They will be applied in the following order:'
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    num = 1
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    for issue_to_apply, patchset_to_apply in issues_patchsets_to_apply:
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      print '  #%d %s/%d/#ps%d' % (
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          num, options.server, issue_to_apply, patchset_to_apply)
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      num += 1
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    print
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  for issue_to_apply, patchset_to_apply in issues_patchsets_to_apply:
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    issue_url = '%s/%d/#ps%d' % (options.server, issue_to_apply,
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                                 patchset_to_apply)
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    print('Downloading patch from %s' % issue_url)
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    try:
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      patchset = obj.get_patch(issue_to_apply, patchset_to_apply)
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    except urllib2.HTTPError as e:
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      print(
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          'Failed to fetch the patch for issue %d, patchset %d.\n'
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          'Try visiting %s/%d') % (
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              issue_to_apply, patchset_to_apply,
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              options.server, issue_to_apply)
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      return 1
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    if options.whitelist:
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      patchset.patches = [patch for patch in patchset.patches
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                          if patch.filename in options.whitelist]
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    if options.blacklist:
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      patchset.patches = [patch for patch in patchset.patches
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                          if patch.filename not in options.blacklist]
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    for patch in patchset.patches:
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      print(patch)
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    full_dir = os.path.abspath(options.root_dir)
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    scm_type = scm.determine_scm(full_dir)
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    if scm_type == 'svn':
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      scm_obj = checkout.SvnCheckout(full_dir, None, None, None, None)
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    elif scm_type == 'git':
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      scm_obj = checkout.GitCheckout(full_dir, None, None, None, None)
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    elif scm_type == None:
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      scm_obj = checkout.RawCheckout(full_dir, None, None)
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    else:
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      parser.error('Couldn\'t determine the scm')
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    # TODO(maruel): HACK, remove me.
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    # When run a build slave, make sure buildbot knows that the checkout was
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    # modified.
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    if options.root_dir == 'src' and getpass.getuser() == 'chrome-bot':
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      # See sourcedirIsPatched() in:
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      # http://src.chromium.org/viewvc/chrome/trunk/tools/build/scripts/slave/
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      #    chromium_commands.py?view=markup
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      open('.buildbot-patched', 'w').close()
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    print('\nApplying the patch from %s' % issue_url)
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    try:
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      scm_obj.apply_patch(patchset, verbose=True)
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    except checkout.PatchApplicationFailed as e:
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      print(str(e))
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      print('CWD=%s' % os.getcwd())
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      print('Checkout path=%s' % scm_obj.project_path)
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      return 1
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  if ('DEPS' in map(os.path.basename, patchset.filenames)
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      and not options.ignore_deps):
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    gclient_root = gclient_utils.FindGclientRoot(full_dir)
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    if gclient_root and scm_type:
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      print(
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          'A DEPS file was updated inside a gclient checkout, running gclient '
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          'sync.')
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      gclient_path = os.path.join(BASE_DIR, 'gclient')
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      if sys.platform == 'win32':
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        gclient_path += '.bat'
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      with annotated_gclient.temp_filename(suffix='gclient') as f:
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        cmd = [
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            gclient_path, 'sync',
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            '--nohooks',
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            '--delete_unversioned_trees',
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            ]
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        if scm_type == 'svn':
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          cmd.extend(['--revision', 'BASE'])
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        if options.revision_mapping:
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          cmd.extend(['--output-json', f])
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        retcode = subprocess.call(cmd, cwd=gclient_root)
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        if retcode == 0 and options.revision_mapping:
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          revisions = annotated_gclient.parse_got_revision(
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              f, options.revision_mapping)
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          annotated_gclient.emit_buildprops(revisions)
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        return retcode
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  return 0
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if __name__ == "__main__":
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  fix_encoding.fix_encoding()
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  try:
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    sys.exit(main())
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  except KeyboardInterrupt:
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    sys.stderr.write('interrupted\n')
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    sys.exit(1)
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