blob: 89553b3355ef739691c83caaf52cdb1d2c3edb2f [file] [log] [blame]
#!/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.
"""Script to automatically roll dependencies in the WebRTC DEPS file."""
from __future__ import absolute_import
import argparse
import base64
import collections
import logging
import os
import re
import subprocess
import sys
import six.moves.urllib.request
import six.moves.urllib.error
import six.moves.urllib.parse
def FindSrcDirPath():
"""Returns the abs path to the src/ dir of the project."""
src_dir = os.path.dirname(os.path.abspath(__file__))
while os.path.basename(src_dir) != 'src':
src_dir = os.path.normpath(os.path.join(src_dir, os.pardir))
return src_dir
# Skip these dependencies (list without solution name prefix).
DONT_AUTOROLL_THESE = [
'src/examples/androidtests/third_party/gradle',
]
# These dependencies are missing in chromium/src/DEPS, either unused or already
# in-tree. For instance, src/base is a part of the Chromium source git repo,
# but we pull it through a subtree mirror, so therefore it isn't listed in
# Chromium's deps but it is in ours.
WEBRTC_ONLY_DEPS = [
'src/base',
'src/build',
'src/buildtools',
'src/ios',
'src/testing',
'src/third_party',
'src/third_party/bazel',
'src/third_party/findbugs',
'src/third_party/gtest-parallel',
'src/third_party/yasm/binaries',
'src/tools',
]
WEBRTC_URL = 'https://webrtc.googlesource.com/src'
CHROMIUM_SRC_URL = 'https://chromium.googlesource.com/chromium/src'
CHROMIUM_COMMIT_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s'
CHROMIUM_LOG_TEMPLATE = CHROMIUM_SRC_URL + '/+log/%s'
CHROMIUM_FILE_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s/%s'
COMMIT_POSITION_RE = re.compile('^Cr-Commit-Position: .*#([0-9]+).*$')
CLANG_REVISION_RE = re.compile(r'^CLANG_REVISION = \'([-0-9a-z]+)\'$')
ROLL_BRANCH_NAME = 'roll_chromium_revision'
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
CHECKOUT_SRC_DIR = FindSrcDirPath()
CHECKOUT_ROOT_DIR = os.path.realpath(os.path.join(CHECKOUT_SRC_DIR, os.pardir))
# Copied from tools/android/roll/android_deps/.../BuildConfigGenerator.groovy.
ANDROID_DEPS_START = r'=== ANDROID_DEPS Generated Code Start ==='
ANDROID_DEPS_END = r'=== ANDROID_DEPS Generated Code End ==='
# Location of automically gathered android deps.
ANDROID_DEPS_PATH = 'src/third_party/android_deps/'
NOTIFY_EMAIL = 'webrtc-trooper@grotations.appspotmail.com'
sys.path.append(os.path.join(CHECKOUT_SRC_DIR, 'build'))
import find_depot_tools
find_depot_tools.add_depot_tools_to_path()
CLANG_UPDATE_SCRIPT_URL_PATH = 'tools/clang/scripts/update.py'
CLANG_UPDATE_SCRIPT_LOCAL_PATH = os.path.join(CHECKOUT_SRC_DIR, 'tools',
'clang', 'scripts', 'update.py')
DepsEntry = collections.namedtuple('DepsEntry', 'path url revision')
ChangedDep = collections.namedtuple('ChangedDep',
'path url current_rev new_rev')
CipdDepsEntry = collections.namedtuple('CipdDepsEntry', 'path packages')
ChangedCipdPackage = collections.namedtuple(
'ChangedCipdPackage', 'path package current_version new_version')
ChromiumRevisionUpdate = collections.namedtuple('ChromiumRevisionUpdate',
('current_chromium_rev '
'new_chromium_rev '))
class RollError(Exception):
pass
def StrExpansion():
return lambda str_value: str_value
def VarLookup(local_scope):
return lambda var_name: local_scope['vars'][var_name]
def ParseDepsDict(deps_content):
local_scope = {}
global_scope = {
'Str': StrExpansion(),
'Var': VarLookup(local_scope),
'deps_os': {},
}
exec(deps_content, global_scope, local_scope)
return local_scope
def ParseLocalDepsFile(filename):
with open(filename, 'rb') as f:
deps_content = f.read()
return ParseDepsDict(deps_content)
def ParseCommitPosition(commit_message):
for line in reversed(commit_message.splitlines()):
m = COMMIT_POSITION_RE.match(line.strip())
if m:
return int(m.group(1))
logging.error('Failed to parse commit position id from:\n%s\n',
commit_message)
sys.exit(-1)
def _RunCommand(command,
working_dir=None,
ignore_exit_code=False,
extra_env=None,
input_data=None):
"""Runs a command and returns the output from that command.
If the command fails (exit code != 0), the function will exit the process.
Returns:
A tuple containing the stdout and stderr outputs as strings.
"""
working_dir = working_dir or CHECKOUT_SRC_DIR
logging.debug('CMD: %s CWD: %s', ' '.join(command), working_dir)
env = os.environ.copy()
if extra_env:
assert all(isinstance(value, str) for value in extra_env.values())
logging.debug('extra env: %s', extra_env)
env.update(extra_env)
p = subprocess.Popen(command,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
cwd=working_dir,
universal_newlines=True)
std_output, err_output = p.communicate(input_data)
p.stdout.close()
p.stderr.close()
if not ignore_exit_code and p.returncode != 0:
logging.error('Command failed: %s\n'
'stdout:\n%s\n'
'stderr:\n%s\n', ' '.join(command), std_output,
err_output)
sys.exit(p.returncode)
return std_output, err_output
def _GetBranches():
"""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 = _RunCommand(['git', 'branch'])[0].split('\n')
branches = []
active = ''
for line in lines:
if '*' in line:
# The assumption is that the first char will always be the '*'.
active = line[1:].strip()
branches.append(active)
else:
branch = line.strip()
if branch:
branches.append(branch)
return active, branches
def _ReadGitilesContent(url):
# Download and decode BASE64 content until
# https://code.google.com/p/gitiles/issues/detail?id=7 is fixed.
base64_content = ReadUrlContent(url + '?format=TEXT')
return base64.b64decode(base64_content[0])
def ReadRemoteCrFile(path_below_src, revision):
"""Reads a remote Chromium file of a specific revision.
Args:
path_below_src: A path to the target file relative to src dir.
revision: Revision to read.
Returns:
A string with file content.
"""
return _ReadGitilesContent(CHROMIUM_FILE_TEMPLATE %
(revision, path_below_src))
def ReadRemoteCrCommit(revision):
"""Reads a remote Chromium commit message. Returns a string."""
return _ReadGitilesContent(CHROMIUM_COMMIT_TEMPLATE % revision)
def ReadUrlContent(url):
"""Connect to a remote host and read the contents.
Args:
url: URL to connect to.
Returns:
A list of lines.
"""
conn = six.moves.urllib.request.urlopen(url)
try:
return conn.readlines()
except IOError as e:
logging.exception('Error connecting to %s. Error: %s', url, e)
raise
finally:
conn.close()
def GetMatchingDepsEntries(depsentry_dict, dir_path):
"""Gets all deps entries matching the provided path.
This list may contain more than one DepsEntry object.
Example: dir_path='src/testing' would give results containing both
'src/testing/gtest' and 'src/testing/gmock' deps entries for Chromium's
DEPS.
Example 2: dir_path='src/build' should return 'src/build' but not
'src/buildtools'.
Returns:
A list of DepsEntry objects.
"""
result = []
for path, depsentry in depsentry_dict.items():
if path == dir_path:
result.append(depsentry)
else:
parts = path.split('/')
if all(part == parts[i]
for i, part in enumerate(dir_path.split('/'))):
result.append(depsentry)
return result
def BuildDepsentryDict(deps_dict):
"""Builds a dict of paths to DepsEntry objects from a raw deps dict."""
result = {}
def AddDepsEntries(deps_subdict):
for path, dep in deps_subdict.items():
if path in result:
continue
if not isinstance(dep, dict):
dep = {'url': dep}
if dep.get('dep_type') == 'cipd':
result[path] = CipdDepsEntry(path, dep['packages'])
else:
if '@' not in dep['url']:
continue
url, revision = dep['url'].split('@')
result[path] = DepsEntry(path, url, revision)
AddDepsEntries(deps_dict['deps'])
for deps_os in ['win', 'mac', 'unix', 'android', 'ios', 'unix']:
AddDepsEntries(deps_dict.get('deps_os', {}).get(deps_os, {}))
return result
def _FindChangedCipdPackages(path, old_pkgs, new_pkgs):
old_pkgs_names = {p['package'] for p in old_pkgs}
new_pkgs_names = {p['package'] for p in new_pkgs}
pkgs_equal = (old_pkgs_names == new_pkgs_names)
added_pkgs = [p for p in new_pkgs_names if p not in old_pkgs_names]
removed_pkgs = [p for p in old_pkgs_names if p not in new_pkgs_names]
assert pkgs_equal, ('Old: %s\n New: %s.\nYou need to do a manual roll '
'and remove/add entries in DEPS so the old and new '
'list match.\nMost likely, you should add \"%s\" and '
'remove \"%s\"' %
(old_pkgs, new_pkgs, added_pkgs, removed_pkgs))
for old_pkg in old_pkgs:
for new_pkg in new_pkgs:
old_version = old_pkg['version']
new_version = new_pkg['version']
if (old_pkg['package'] == new_pkg['package'] and
old_version != new_version):
logging.debug('Roll dependency %s to %s', path, new_version)
yield ChangedCipdPackage(path, old_pkg['package'], old_version,
new_version)
def _FindNewDeps(old, new):
""" Gather dependencies only in `new` and return corresponding paths. """
old_entries = set(BuildDepsentryDict(old))
new_entries = set(BuildDepsentryDict(new))
return [
path for path in new_entries - old_entries
if path not in DONT_AUTOROLL_THESE
]
def FindAddedDeps(webrtc_deps, new_cr_deps):
"""
Calculate new deps entries of interest.
Ideally, that would mean: only appearing in chromium DEPS
but transitively used in WebRTC.
Since it's hard to compute, we restrict ourselves to a well defined subset:
deps sitting in `ANDROID_DEPS_PATH`.
Otherwise, assumes that's a Chromium-only dependency.
Args:
webrtc_deps: dict of deps as defined in the WebRTC DEPS file.
new_cr_deps: dict of deps as defined in the chromium DEPS file.
Caveat: Doesn't detect a new package in existing dep.
Returns:
A tuple consisting of:
A list of paths added dependencies sitting in `ANDROID_DEPS_PATH`.
A list of paths for other added dependencies.
"""
all_added_deps = _FindNewDeps(webrtc_deps, new_cr_deps)
generated_android_deps = [
path for path in all_added_deps if path.startswith(ANDROID_DEPS_PATH)
]
other_deps = [
path for path in all_added_deps if path not in generated_android_deps
]
return generated_android_deps, other_deps
def FindRemovedDeps(webrtc_deps, new_cr_deps):
"""
Calculate obsolete deps entries.
Ideally, that would mean: no more appearing in chromium DEPS
and not used in WebRTC.
Since it's hard to compute:
1/ We restrict ourselves to a well defined subset:
deps sitting in `ANDROID_DEPS_PATH`.
2/ We rely on existing behavior of CalculateChangeDeps.
I.e. Assumes non-CIPD dependencies are WebRTC-only, don't remove them.
Args:
webrtc_deps: dict of deps as defined in the WebRTC DEPS file.
new_cr_deps: dict of deps as defined in the chromium DEPS file.
Caveat: Doesn't detect a deleted package in existing dep.
Returns:
A tuple consisting of:
A list of paths of dependencies removed from `ANDROID_DEPS_PATH`.
A list of paths of unexpected disappearing dependencies.
"""
all_removed_deps = _FindNewDeps(new_cr_deps, webrtc_deps)
generated_android_deps = sorted([
path for path in all_removed_deps if path.startswith(ANDROID_DEPS_PATH)
])
# Webrtc-only dependencies are handled in CalculateChangedDeps.
other_deps = sorted([
path for path in all_removed_deps
if path not in generated_android_deps and path not in WEBRTC_ONLY_DEPS
])
return generated_android_deps, other_deps
def CalculateChangedDeps(webrtc_deps, new_cr_deps):
"""
Calculate changed deps entries based on entries defined in the WebRTC DEPS
file:
- If a shared dependency with the Chromium DEPS file: roll it to the same
revision as Chromium (i.e. entry in the new_cr_deps dict)
- If it's a Chromium sub-directory, roll it to the HEAD revision (notice
this means it may be ahead of the chromium_revision, but generally these
should be close).
- If it's another DEPS entry (not shared with Chromium), roll it to HEAD
unless it's configured to be skipped.
Returns:
A list of ChangedDep objects representing the changed deps.
"""
result = []
webrtc_entries = BuildDepsentryDict(webrtc_deps)
new_cr_entries = BuildDepsentryDict(new_cr_deps)
for path, webrtc_deps_entry in webrtc_entries.items():
if path in DONT_AUTOROLL_THESE:
continue
cr_deps_entry = new_cr_entries.get(path)
if cr_deps_entry:
assert type(cr_deps_entry) is type(webrtc_deps_entry)
if isinstance(cr_deps_entry, CipdDepsEntry):
result.extend(
_FindChangedCipdPackages(path, webrtc_deps_entry.packages,
cr_deps_entry.packages))
continue
# Use the revision from Chromium's DEPS file.
new_rev = cr_deps_entry.revision
assert webrtc_deps_entry.url == cr_deps_entry.url, (
'WebRTC DEPS entry %s has a different URL %s than Chromium %s.'
% (path, webrtc_deps_entry.url, cr_deps_entry.url))
else:
if isinstance(webrtc_deps_entry, DepsEntry):
# Use the HEAD of the deps repo.
stdout, _ = _RunCommand(
['git', 'ls-remote', webrtc_deps_entry.url, 'HEAD'])
new_rev = stdout.strip().split('\t')[0]
else:
# The dependency has been removed from chromium.
# This is handled by FindRemovedDeps.
continue
# Check if an update is necessary.
if webrtc_deps_entry.revision != new_rev:
logging.debug('Roll dependency %s to %s', path, new_rev)
result.append(
ChangedDep(path, webrtc_deps_entry.url,
webrtc_deps_entry.revision, new_rev))
return sorted(result)
def CalculateChangedClang(new_cr_rev):
def GetClangRev(lines):
for line in lines:
match = CLANG_REVISION_RE.match(line)
if match:
return match.group(1)
raise RollError('Could not parse Clang revision!')
with open(CLANG_UPDATE_SCRIPT_LOCAL_PATH, 'rb') as f:
current_lines = f.readlines()
current_rev = GetClangRev(current_lines)
new_clang_update_py = ReadRemoteCrFile(CLANG_UPDATE_SCRIPT_URL_PATH,
new_cr_rev).splitlines()
new_rev = GetClangRev(new_clang_update_py)
return ChangedDep(CLANG_UPDATE_SCRIPT_LOCAL_PATH, None, current_rev,
new_rev)
def GenerateCommitMessage(
rev_update,
current_commit_pos,
new_commit_pos,
changed_deps_list,
added_deps_paths=None,
removed_deps_paths=None,
clang_change=None,
):
current_cr_rev = rev_update.current_chromium_rev[0:10]
new_cr_rev = rev_update.new_chromium_rev[0:10]
rev_interval = '%s..%s' % (current_cr_rev, new_cr_rev)
git_number_interval = '%s:%s' % (current_commit_pos, new_commit_pos)
commit_msg = [
'Roll chromium_revision %s (%s)\n' %
(rev_interval, git_number_interval),
'Change log: %s' % (CHROMIUM_LOG_TEMPLATE % rev_interval),
'Full diff: %s\n' % (CHROMIUM_COMMIT_TEMPLATE % rev_interval)
]
def Section(adjective, deps):
noun = 'dependency' if len(deps) == 1 else 'dependencies'
commit_msg.append('%s %s' % (adjective, noun))
tbr_authors = ''
if changed_deps_list:
Section('Changed', changed_deps_list)
for c in changed_deps_list:
if isinstance(c, ChangedCipdPackage):
commit_msg.append('* %s: %s..%s' %
(c.path, c.current_version, c.new_version))
else:
commit_msg.append(
'* %s: %s/+log/%s..%s' %
(c.path, c.url, c.current_rev[0:10], c.new_rev[0:10]))
if 'libvpx' in c.path or 'libaom' in c.path:
tbr_authors += 'marpan@webrtc.org, jianj@chromium.org, '
if added_deps_paths:
Section('Added', added_deps_paths)
commit_msg.extend('* %s' % p for p in added_deps_paths)
if removed_deps_paths:
Section('Removed', removed_deps_paths)
commit_msg.extend('* %s' % p for p in removed_deps_paths)
if any([changed_deps_list, added_deps_paths, removed_deps_paths]):
change_url = CHROMIUM_FILE_TEMPLATE % (rev_interval, 'DEPS')
commit_msg.append('DEPS diff: %s\n' % change_url)
else:
commit_msg.append('No dependencies changed.')
if clang_change and clang_change.current_rev != clang_change.new_rev:
commit_msg.append('Clang version changed %s:%s' %
(clang_change.current_rev, clang_change.new_rev))
change_url = CHROMIUM_FILE_TEMPLATE % (rev_interval,
CLANG_UPDATE_SCRIPT_URL_PATH)
commit_msg.append('Details: %s\n' % change_url)
else:
commit_msg.append('No update to Clang.\n')
if tbr_authors:
commit_msg.append('TBR=%s' % tbr_authors)
commit_msg.append('BUG=None')
return '\n'.join(commit_msg)
def UpdateDepsFile(deps_filename, rev_update, changed_deps, new_cr_content):
"""Update the DEPS file with the new revision."""
with open(deps_filename, 'r') as deps_file:
deps_content = deps_file.read()
# Update the chromium_revision variable.
deps_content = deps_content.replace(rev_update.current_chromium_rev,
rev_update.new_chromium_rev)
# Add and remove dependencies. For now: only generated android deps.
# Since gclient cannot add or remove deps, we on the fact that
# these android deps are located in one place we can copy/paste.
deps_re = re.compile(ANDROID_DEPS_START + '.*' + ANDROID_DEPS_END,
re.DOTALL)
new_deps = deps_re.search(new_cr_content)
old_deps = deps_re.search(deps_content)
if not new_deps or not old_deps:
faulty = 'Chromium' if not new_deps else 'WebRTC'
raise RollError('Was expecting to find "%s" and "%s"\n'
'in %s DEPS' %
(ANDROID_DEPS_START, ANDROID_DEPS_END, faulty))
deps_content = deps_re.sub(new_deps.group(0), deps_content)
with open(deps_filename, 'w') as deps_file:
deps_file.write(deps_content)
# Update each individual DEPS entry.
for dep in changed_deps:
local_dep_dir = os.path.join(CHECKOUT_ROOT_DIR, dep.path)
if not os.path.isdir(local_dep_dir):
raise RollError(
'Cannot find local directory %s. Either run\n'
'gclient sync --deps=all\n'
'or make sure the .gclient file for your solution contains all '
'platforms in the target_os list, i.e.\n'
'target_os = ["android", "unix", "mac", "ios", "win"];\n'
'Then run "gclient sync" again.' % local_dep_dir)
if isinstance(dep, ChangedCipdPackage):
package = dep.package.format() # Eliminate double curly brackets
update = '%s:%s@%s' % (dep.path, package, dep.new_version)
else:
update = '%s@%s' % (dep.path, dep.new_rev)
_RunCommand(['gclient', 'setdep', '--revision', update],
working_dir=CHECKOUT_SRC_DIR)
def _IsTreeClean():
stdout, _ = _RunCommand(['git', 'status', '--porcelain'])
if len(stdout) == 0:
return True
logging.error('Dirty/unversioned files:\n%s', stdout)
return False
def _EnsureUpdatedMainBranch(dry_run):
current_branch = _RunCommand(['git', 'rev-parse', '--abbrev-ref',
'HEAD'])[0].splitlines()[0]
if current_branch != 'main':
logging.error('Please checkout the main branch and re-run this script.')
if not dry_run:
sys.exit(-1)
logging.info('Updating main branch...')
_RunCommand(['git', 'pull'])
def _CreateRollBranch(dry_run):
logging.info('Creating roll branch: %s', ROLL_BRANCH_NAME)
if not dry_run:
_RunCommand(['git', 'checkout', '-b', ROLL_BRANCH_NAME])
def _RemovePreviousRollBranch(dry_run):
active_branch, branches = _GetBranches()
if active_branch == ROLL_BRANCH_NAME:
active_branch = 'main'
if ROLL_BRANCH_NAME in branches:
logging.info('Removing previous roll branch (%s)', ROLL_BRANCH_NAME)
if not dry_run:
_RunCommand(['git', 'checkout', active_branch])
_RunCommand(['git', 'branch', '-D', ROLL_BRANCH_NAME])
def _LocalCommit(commit_msg, dry_run):
logging.info('Committing changes locally.')
if not dry_run:
_RunCommand(['git', 'add', '--update', '.'])
_RunCommand(['git', 'commit', '-m', commit_msg])
def ChooseCQMode(skip_cq, cq_over, current_commit_pos, new_commit_pos):
if skip_cq:
return 0
if (new_commit_pos - current_commit_pos) < cq_over:
return 1
return 2
def _UploadCL(commit_queue_mode):
"""Upload the committed changes as a changelist to Gerrit.
commit_queue_mode:
- 2: Submit to commit queue.
- 1: Run trybots but do not submit to CQ.
- 0: Skip CQ, upload only.
"""
cmd = ['git', 'cl', 'upload', '--force', '--bypass-hooks']
if commit_queue_mode >= 2:
logging.info('Sending the CL to the CQ...')
cmd.extend(['-o', 'label=Bot-Commit+1'])
cmd.extend(['-o', 'label=Commit-Queue+2'])
cmd.extend(['--send-mail', '--cc', NOTIFY_EMAIL])
elif commit_queue_mode >= 1:
logging.info('Starting CQ dry run...')
cmd.extend(['-o', 'label=Commit-Queue+1'])
extra_env = {
'EDITOR': 'true',
'SKIP_GCE_AUTH_FOR_GIT': '1',
}
stdout, stderr = _RunCommand(cmd, extra_env=extra_env)
logging.debug('Output from "git cl upload":\nstdout:\n%s\n\nstderr:\n%s',
stdout, stderr)
def GetRollRevisionRanges(opts, webrtc_deps):
current_cr_rev = webrtc_deps['vars']['chromium_revision']
new_cr_rev = opts.revision
if not new_cr_rev:
stdout, _ = _RunCommand(['git', 'ls-remote', CHROMIUM_SRC_URL, 'HEAD'])
head_rev = stdout.strip().split('\t')[0]
logging.info('No revision specified. Using HEAD: %s', head_rev)
new_cr_rev = head_rev
return ChromiumRevisionUpdate(current_cr_rev, new_cr_rev)
def main():
p = argparse.ArgumentParser()
p.add_argument('--clean',
action='store_true',
default=False,
help='Removes any previous local roll branch.')
p.add_argument('-r',
'--revision',
help=('Chromium Git revision to roll to. Defaults to the '
'Chromium HEAD revision if omitted.'))
p.add_argument('--dry-run',
action='store_true',
default=False,
help=('Calculate changes and modify DEPS, but don\'t create '
'any local branch, commit, upload CL or send any '
'tryjobs.'))
p.add_argument('-i',
'--ignore-unclean-workdir',
action='store_true',
default=False,
help=('Ignore if the current branch is not main or if there '
'are uncommitted changes (default: %(default)s).'))
grp = p.add_mutually_exclusive_group()
grp.add_argument(
'--skip-cq',
action='store_true',
default=False,
help='Skip sending the CL to the CQ (default: %(default)s)')
grp.add_argument('--cq-over',
type=int,
default=1,
help=('Commit queue dry run if the revision difference '
'is below this number (default: %(default)s)'))
p.add_argument('-v',
'--verbose',
action='store_true',
default=False,
help='Be extra verbose in printing of log messages.')
opts = p.parse_args()
if opts.verbose:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
if not opts.ignore_unclean_workdir and not _IsTreeClean():
logging.error('Please clean your local checkout first.')
return 1
if opts.clean:
_RemovePreviousRollBranch(opts.dry_run)
if not opts.ignore_unclean_workdir:
_EnsureUpdatedMainBranch(opts.dry_run)
deps_filename = os.path.join(CHECKOUT_SRC_DIR, 'DEPS')
webrtc_deps = ParseLocalDepsFile(deps_filename)
rev_update = GetRollRevisionRanges(opts, webrtc_deps)
current_commit_pos = ParseCommitPosition(
ReadRemoteCrCommit(rev_update.current_chromium_rev))
new_commit_pos = ParseCommitPosition(
ReadRemoteCrCommit(rev_update.new_chromium_rev))
new_cr_content = ReadRemoteCrFile('DEPS', rev_update.new_chromium_rev)
new_cr_deps = ParseDepsDict(new_cr_content)
changed_deps = CalculateChangedDeps(webrtc_deps, new_cr_deps)
# Discard other deps, assumed to be chromium-only dependencies.
new_generated_android_deps, _ = FindAddedDeps(webrtc_deps, new_cr_deps)
removed_generated_android_deps, other_deps = FindRemovedDeps(
webrtc_deps, new_cr_deps)
if other_deps:
raise RollError('WebRTC DEPS entries are missing from Chromium: %s.\n'
'Remove them or add them to either '
'WEBRTC_ONLY_DEPS or DONT_AUTOROLL_THESE.' % other_deps)
clang_change = CalculateChangedClang(rev_update.new_chromium_rev)
commit_msg = GenerateCommitMessage(
rev_update,
current_commit_pos,
new_commit_pos,
changed_deps,
added_deps_paths=new_generated_android_deps,
removed_deps_paths=removed_generated_android_deps,
clang_change=clang_change)
logging.debug('Commit message:\n%s', commit_msg)
_CreateRollBranch(opts.dry_run)
if not opts.dry_run:
UpdateDepsFile(deps_filename, rev_update, changed_deps, new_cr_content)
if _IsTreeClean():
logging.info("No DEPS changes detected, skipping CL creation.")
else:
_LocalCommit(commit_msg, opts.dry_run)
commit_queue_mode = ChooseCQMode(opts.skip_cq, opts.cq_over,
current_commit_pos, new_commit_pos)
logging.info('Uploading CL...')
if not opts.dry_run:
_UploadCL(commit_queue_mode)
return 0
if __name__ == '__main__':
sys.exit(main())