Delete auto-roll script since moved into Chromium.

Keeping the script for rolling WebRTC in this repository
didn't make any sense. The script is being added into src/tools
of Chromium in https://codereview.chromium.org/1114933002/,
which also simplifies the script.

R=phoglund@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/49209004

Cr-Commit-Position: refs/heads/master@{#9139}

1 files changed, 0 insertions, 472 deletions

diff --git a/tools/autoroller/roll_webrtc_in_chromium.py b/tools/autoroller/roll_webrtc_in_chromium.py
deleted file mode 100755
index d312a03e7c..0000000000
--- a/tools/autoroller/roll_webrtc_in_chromium.py
+++ /dev/null
@@ -1,472 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-import argparse
-import collections
-import getpass
-import json
-import logging
-import os
-import re
-import shutil
-import stat
-import subprocess
-import sys
-import tempfile
-import time
-import urllib2
-
-
-SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
-ROOT_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir))
-sys.path.insert(1, os.path.join(ROOT_DIR, 'tools'))
-import find_depot_tools
-find_depot_tools.add_depot_tools_to_path()
-import rietveld
-import roll_dep
-from gclient import GClientKeywords
-from third_party import upload
-
-# Avoid depot_tools/third_party/upload.py print verbose messages.
-upload.verbosity = 0  # Errors only.
-
-CHROMIUM_GIT_URL = 'https://chromium.googlesource.com/chromium/src.git'
-COMMIT_POSITION_RE = re.compile('^Cr-Original-Commit-Position: .*#([0-9]+).*$')
-CL_ISSUE_RE = re.compile('^Issue number: ([0-9]+) \((.*)\)$')
-RIETVELD_URL_RE = re.compile('^https?://(.*)/(.*)')
-ROLL_BRANCH_NAME = 'special_webrtc_roll_branch'
-TRYJOB_STATUS_SLEEP_SECONDS = 30
-
-# Use a shell for subcommands on Windows to get a PATH search.
-USE_SHELL = sys.platform.startswith('win')
-WEBRTC_PATH = 'third_party/webrtc'
-LIBJINGLE_PATH = 'third_party/libjingle/source/talk'
-LIBJINGLE_README = 'third_party/libjingle/README.chromium'
-
-# Result codes from build/third_party/buildbot_8_4p1/buildbot/status/results.py
-# plus the -1 code which is used when there's no result yet.
-TRYJOB_STATUS = {
-  -1: 'RUNNING',
-  0: 'SUCCESS',
-  1: 'WARNINGS',
-  2: 'FAILURE',
-  3: 'SKIPPED',
-  4: 'EXCEPTION',
-  5: 'RETRY',
-}
-SUCCESS_STATUS = (0, 1, 3)
-FAILURE_STATUS = (2, 4, 5)
-
-CommitInfo = collections.namedtuple('CommitInfo', ['commit_position',
-                                                   'git_commit',
-                                                   'git_repo_url'])
-CLInfo = collections.namedtuple('CLInfo', ['issue', 'url', 'rietveld_server'])
-
-
-def _ParseGitCommitPosition(description):
-  for line in reversed(description.splitlines()):
-    m = COMMIT_POSITION_RE.match(line.strip())
-    if m:
-      return m.group(1)
-  logging.error('Failed to parse svn revision id from:\n%s\n', description)
-  sys.exit(-1)
-
-
-def _ParseGitCommitHash(description):
-  for line in description.splitlines():
-    if line.startswith('commit '):
-      return line.split()[1]
-  logging.error('Failed to parse git commit id from:\n%s\n', description)
-  sys.exit(-1)
-  return None
-
-
-def _ParseDepsFile(filename):
-  with open(filename, 'rb') as f:
-    deps_content = f.read()
-  return _ParseDepsDict(deps_content)
-
-
-def _ParseDepsDict(deps_content):
-  local_scope = {}
-  var = GClientKeywords.VarImpl({}, local_scope)
-  global_scope = {
-    'File': GClientKeywords.FileImpl,
-    'From': GClientKeywords.FromImpl,
-    'Var': var.Lookup,
-    'deps_os': {},
-  }
-  exec(deps_content, global_scope, local_scope)
-  return local_scope
-
-
-def _WaitForTrybots(issue, rietveld_server):
-  """Wait until all trybots have passed or at least one have failed.
-
-  Returns:
-    An exit code of 0 if all trybots passed or non-zero otherwise.
-  """
-  assert type(issue) is int
-  print 'Trybot status for https://%s/%d:' % (rietveld_server, issue)
-  remote = rietveld.Rietveld('https://' + rietveld_server, None, None)
-
-  attempt = 0
-  max_tries = 60*60/TRYJOB_STATUS_SLEEP_SECONDS # Max one hour
-  while attempt < max_tries:
-    # Get patches for the issue so we can use the latest one.
-    data = remote.get_issue_properties(issue, messages=False)
-    patchsets = data['patchsets']
-
-    # Get trybot status for the latest patch set.
-    data = remote.get_patchset_properties(issue, patchsets[-1])
-
-    tryjob_results = data['try_job_results']
-    if len(tryjob_results) == 0:
-      logging.debug('No trybots have yet been triggered for https://%s/%d' ,
-                    rietveld_server, issue)
-    else:
-      _PrintTrybotsStatus(tryjob_results)
-      if any(r['result'] in FAILURE_STATUS for r in tryjob_results):
-        logging.error('Found failing tryjobs (see above)')
-        return 1
-      if all(r['result'] in SUCCESS_STATUS for r in tryjob_results):
-        return 0
-
-    logging.debug('Waiting for %d seconds before next check...',
-                  TRYJOB_STATUS_SLEEP_SECONDS)
-    time.sleep(TRYJOB_STATUS_SLEEP_SECONDS)
-    attempt += 1
-
-
-def _PrintTrybotsStatus(tryjob_results):
-  status_to_name = {}
-  for trybot_result in tryjob_results:
-    status = TRYJOB_STATUS.get(trybot_result['result'], 'UNKNOWN')
-    status_to_name.setdefault(status, [])
-    status_to_name[status].append(trybot_result['builder'])
-
-  print '\n========== TRYJOBS STATUS =========='
-  for status,name_list in status_to_name.iteritems():
-    print '%s: %s' % (status, ','.join(sorted(name_list)))
-
-
-def _GenerateCLDescription(webrtc_current, libjingle_current,
-                           webrtc_new, libjingle_new):
-  delim = ''
-  webrtc_str = ''
-  def GetChangeLogURL(git_repo_url, current_hash, new_hash):
-    return '%s/+log/%s..%s' % (git_repo_url, current_hash[0:7], new_hash[0:7])
-
-  if webrtc_current.git_commit != webrtc_new.git_commit:
-    webrtc_str = 'WebRTC %s:%s' % (webrtc_current.commit_position,
-                                   webrtc_new.commit_position)
-    webrtc_changelog_url = GetChangeLogURL(webrtc_current.git_repo_url,
-                                           webrtc_current.git_commit,
-                                           webrtc_new.git_commit)
-
-  libjingle_str = ''
-  if libjingle_current.git_commit != libjingle_new.git_commit:
-    if webrtc_str:
-      delim += ', '
-    libjingle_str = 'Libjingle %s:%s' % (libjingle_current.commit_position,
-                                         libjingle_new.commit_position)
-    libjingle_changelog_url = GetChangeLogURL(libjingle_current.git_repo_url,
-                                              libjingle_current.git_commit,
-                                              libjingle_new.git_commit)
-
-  description = 'Roll ' + webrtc_str + delim + libjingle_str + '\n\n'
-  if webrtc_str:
-    description += webrtc_str + '\n'
-    description += 'Changes: %s\n\n' % webrtc_changelog_url
-  if libjingle_str:
-    description += libjingle_str + '\n'
-    description += 'Changes: %s\n' % libjingle_changelog_url
-  description += '\nTBR='
-  return description
-
-
-def _IsChromiumCheckout(checkout_dir):
-  """Checks if the provided directory path is a Chromium checkout."""
-  # Look for DEPS file and a chromium directory.
-  return (os.path.isfile(os.path.join(checkout_dir, 'DEPS')) and
-          os.path.isdir(os.path.join(checkout_dir, 'chrome')))
-
-
-class AutoRoller(object):
-  def __init__(self, chromium_src):
-    self._chromium_src = chromium_src
-
-  def _RunCommand(self, command, working_dir=None, ignore_exit_code=False,
-                  extra_env=None):
-    """Runs a command and returns the stdout from that command.
-
-    If the command fails (exit code != 0), the function will exit the process.
-    """
-    working_dir = working_dir or self._chromium_src
-    logging.debug('cmd: %s cwd: %s', ' '.join(command), working_dir)
-    env = os.environ.copy()
-    if extra_env:
-      logging.debug('extra env: %s', extra_env)
-      env.update(extra_env)
-    p = subprocess.Popen(command, stdout=subprocess.PIPE,
-                         stderr=subprocess.PIPE, shell=USE_SHELL, env=env,
-                         cwd=working_dir, universal_newlines=True)
-    output = p.stdout.read()
-    p.wait()
-    p.stdout.close()
-    p.stderr.close()
-
-    if not ignore_exit_code and p.returncode != 0:
-      logging.error('Command failed: %s\n%s', str(command), output)
-      sys.exit(p.returncode)
-    return output
-
-  def _GetCommitInfo(self, path_below_src, git_hash=None, git_repo_url=None):
-    working_dir = os.path.join(self._chromium_src, path_below_src)
-    self._RunCommand(['git', 'fetch', 'origin'], working_dir=working_dir)
-    revision_range = git_hash or 'origin'
-    ret = self._RunCommand(
-        ['git', '--no-pager', 'log', revision_range, '--pretty=full', '-1'],
-        working_dir=working_dir)
-    return CommitInfo(_ParseGitCommitPosition(ret), _ParseGitCommitHash(ret),
-                      git_repo_url)
-
-  def _GetDepsCommitInfo(self, deps_dict, path_below_src):
-    entry = deps_dict['deps']['src/%s' % path_below_src]
-    at_index = entry.find('@')
-    git_repo_url = entry[:at_index]
-    git_hash = entry[at_index + 1:]
-    return self._GetCommitInfo(path_below_src, git_hash, git_repo_url)
-
-  def _GetCLInfo(self):
-    cl_output = self._RunCommand(['git', 'cl', 'issue'])
-    m = CL_ISSUE_RE.match(cl_output.strip())
-    if not m:
-      logging.error('Cannot find any CL info. Output was:\n%s', cl_output)
-      sys.exit(-1)
-    issue_number = int(m.group(1))
-    url = m.group(2)
-
-    # Parse the Rietveld host from the URL.
-    m = RIETVELD_URL_RE.match(url)
-    if not m:
-      logging.error('Cannot parse Rietveld host from URL: %s', url)
-      sys.exit(-1)
-    rietveld_server = m.group(1)
-    return CLInfo(issue_number, url, rietveld_server)
-
-  def _GetCurrentBranchName(self):
-    return self._RunCommand(
-        ['git', 'rev-parse', '--abbrev-ref', 'HEAD']).splitlines()[0]
-
-  def _IsTreeClean(self):
-    lines = self._RunCommand(['git', 'status', '--porcelain']).splitlines()
-    if len(lines) == 0:
-      return True
-
-    logging.debug('Dirty/unversioned files:\n%s', '\n'.join(lines))
-    return False
-
-  def _UpdateReadmeFile(self, readme_path, new_revision):
-    readme = open(os.path.join(self._chromium_src, readme_path), 'r+')
-    txt = readme.read()
-    m = re.sub(re.compile('.*^Revision\: ([0-9]*).*', re.MULTILINE),
-        ('Revision: %s' % new_revision), txt)
-    readme.seek(0)
-    readme.write(m)
-    readme.truncate()
-
-  def PrepareRoll(self, dry_run, ignore_checks, no_commit, close_previous_roll):
-    # TODO(kjellander): use os.path.normcase, os.path.join etc for all paths for
-    # cross platform compatibility.
-
-    if not ignore_checks:
-      if self._GetCurrentBranchName() != 'master':
-        logging.error('Please checkout the master branch.')
-        return -1
-      if not self._IsTreeClean():
-        logging.error('Please make sure you don\'t have any modified files.')
-        return -1
-
-    logging.debug('Checking for a previous roll branch.')
-    if close_previous_roll:
-      self.Abort()
-
-    logging.debug('Pulling latest changes')
-    if not ignore_checks:
-      self._RunCommand(['git', 'pull'])
-
-    self._RunCommand(['git', 'checkout', '-b', ROLL_BRANCH_NAME])
-
-    # Modify Chromium's DEPS file.
-
-    # Parse current hashes.
-    deps_filename = os.path.join(self._chromium_src, 'DEPS')
-    deps = _ParseDepsFile(deps_filename)
-    webrtc_current = self._GetDepsCommitInfo(deps, WEBRTC_PATH)
-    libjingle_current = self._GetDepsCommitInfo(deps, LIBJINGLE_PATH)
-
-    # Find ToT revisions.
-    webrtc_latest = self._GetCommitInfo(WEBRTC_PATH)
-    libjingle_latest = self._GetCommitInfo(LIBJINGLE_PATH)
-
-    self._UpdateDep(deps_filename, WEBRTC_PATH, webrtc_latest)
-    self._UpdateDep(deps_filename, LIBJINGLE_PATH, libjingle_latest)
-
-    if self._IsTreeClean():
-      logging.debug('Tree is clean - no changes detected.')
-      self._DeleteRollBranch()
-    else:
-      self._UpdateReadmeFile(LIBJINGLE_README, libjingle_latest.commit_position)
-      description = _GenerateCLDescription(webrtc_current, libjingle_current,
-                                           webrtc_latest, libjingle_latest)
-      logging.debug('Committing changes locally.')
-      self._RunCommand(['git', 'add', '--update', '.'])
-      self._RunCommand(['git', 'commit', '-m', description])
-      logging.debug('Uploading changes...')
-      self._RunCommand(['git', 'cl', 'upload', '-m', description],
-                       extra_env={'EDITOR': 'true'})
-      cl_info = self._GetCLInfo()
-      logging.debug('Issue: %d URL: %s', cl_info.issue, cl_info.url)
-
-      if not dry_run and not no_commit:
-        logging.debug('Sending the CL to the CQ...')
-        self._RunCommand(['git', 'cl', 'set_commit'])
-        logging.debug('Sent the CL to the CQ. Monitor here: %s', cl_info.url)
-
-    # TODO(kjellander): Checkout masters/previous branches again.
-    return 0
-
-  def _UpdateDep(self, deps_filename, dep_relative_to_src, commit_info):
-    dep_name = os.path.join('src', dep_relative_to_src)
-    comment = 'commit position %s' % commit_info.commit_position
-
-    # roll_dep.py relies on cwd being the Chromium checkout, so let's
-    # temporarily change the working directory and then change back.
-    cwd = os.getcwd()
-    os.chdir(os.path.dirname(deps_filename))
-    roll_dep.update_deps(deps_filename, dep_relative_to_src, dep_name,
-                         commit_info.git_commit, comment)
-    os.chdir(cwd)
-
-  def _DeleteRollBranch(self):
-     self._RunCommand(['git', 'checkout', 'master'])
-     self._RunCommand(['git', 'branch', '-D', ROLL_BRANCH_NAME])
-     logging.debug('Deleted the local roll branch (%s)', ROLL_BRANCH_NAME)
-
-
-  def _GetBranches(self):
-    """Returns a tuple of active,branches.
-
-    The 'active' is the name of the currently active branch and 'branches' is a
-    list of all branches.
-    """
-    lines = self._RunCommand(['git', 'branch']).split('\n')
-    branches = []
-    active = ''
-    for l in lines:
-      if '*' in l:
-        # The assumption is that the first char will always be the '*'.
-        active = l[1:].strip()
-        branches.append(active)
-      else:
-        b = l.strip()
-        if b:
-          branches.append(b)
-    return (active, branches)
-
-  def Abort(self):
-    active_branch, branches = self._GetBranches()
-    if active_branch == ROLL_BRANCH_NAME:
-      active_branch = 'master'
-    if ROLL_BRANCH_NAME in branches:
-      print 'Aborting pending roll.'
-      self._RunCommand(['git', 'checkout', ROLL_BRANCH_NAME])
-      # Ignore an error here in case an issue wasn't created for some reason.
-      self._RunCommand(['git', 'cl', 'set_close'], ignore_exit_code=True)
-      self._RunCommand(['git', 'checkout', active_branch])
-      self._RunCommand(['git', 'branch', '-D', ROLL_BRANCH_NAME])
-    return 0
-
-  def WaitForTrybots(self):
-    active_branch, _ = self._GetBranches()
-    if active_branch != ROLL_BRANCH_NAME:
-      self._RunCommand(['git', 'checkout', ROLL_BRANCH_NAME])
-    cl_info = self._GetCLInfo()
-    return _WaitForTrybots(cl_info.issue, cl_info.rietveld_server)
-
-
-def main():
-  if sys.platform in ('win32', 'cygwin'):
-    logging.error('Only Linux and Mac platforms are supported right now.')
-    return -1
-
-  parser = argparse.ArgumentParser(
-      description='Find webrtc and libjingle revisions for roll.')
-  parser.add_argument('--chromium-checkout', type=str,
-    help=('Path to the Chromium checkout (src/ dir) to perform the roll in '
-          '(optional if the current working dir is a Chromium checkout).'))
-  parser.add_argument('--abort',
-    help=('Aborts a previously prepared roll. '
-          'Closes any associated issues and deletes the roll branches'),
-    action='store_true')
-  parser.add_argument('--no-commit',
-    help=('Don\'t send the CL to the CQ. This is useful if additional changes '
-          'are needed to the CL (like for API changes).'),
-    action='store_true')
-  parser.add_argument('--wait-for-trybots',
-    help=('Waits until all trybots from a previously created roll are either '
-          'successful or at least one has failed. This is useful to be able to '
-          'continuously run this script but not initiating new rolls until a '
-          'previous one is known to have passed or failed.'),
-    action='store_true')
-  parser.add_argument('--close-previous-roll', action='store_true',
-                      help='Abort a previous roll if one exists.')
-  parser.add_argument('--dry-run', action='store_true', default=False,
-      help='Create branches and CLs but doesn\'t send tryjobs or commit.')
-  parser.add_argument('--ignore-checks', action='store_true', default=False,
-      help=('Skips checks for being on the master branch, dirty workspaces and '
-            'the updating of the checkout. Will still delete and create local '
-            'Git branches.'))
-  parser.add_argument('-v', '--verbose', action='store_true', default=False,
-      help='Be extra verbose in printing of log messages.')
-  args = parser.parse_args()
-
-  if args.verbose:
-    logging.basicConfig(level=logging.DEBUG)
-  else:
-    logging.basicConfig(level=logging.ERROR)
-
-  if args.chromium_checkout:
-    if not _IsChromiumCheckout(args.chromium_checkout):
-      logging.error('Cannot find the specified Chromium checkout at: %s',
-                    args.chromium_checkout)
-      return -2
-  else:
-    # Try fallback on current working directory:
-    cwd = os.getcwd()
-    if _IsChromiumCheckout(cwd):
-      args.chromium_checkout = cwd
-    else:
-      logging.error(
-         '--chromium-checkout not specified and the current working directory '
-         ' is not a Chromium checkout. Fix either and try again.')
-      return -2
-
-  autoroller = AutoRoller(args.chromium_checkout)
-  if args.abort:
-    return autoroller.Abort()
-  elif args.wait_for_trybots:
-    return autoroller.WaitForTrybots()
-  else:
-    return autoroller.PrepareRoll(args.dry_run, args.ignore_checks,
-                                  args.no_commit, args.close_previous_roll)
-
-if __name__ == '__main__':
-  sys.exit(main())