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- #!/usr/bin/env python3
- # Copyright 2019 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.
- from __future__ import print_function
- import argparse
- import sys
- import os
- import subprocess
- import glob
- import shutil
- FILES_TO_SYNC = [
- 'README.md',
- 'check_protocol_compatibility.py',
- 'code_generator.py',
- 'concatenate_protocols.py',
- 'convert_protocol_to_json.py',
- 'crdtp/README.md',
- 'crdtp/cbor.cc',
- 'crdtp/cbor.h',
- 'crdtp/cbor_test.cc',
- 'crdtp/dispatch.h',
- 'crdtp/dispatch.cc',
- 'crdtp/dispatch_test.cc',
- 'crdtp/error_support.h',
- 'crdtp/error_support.cc',
- 'crdtp/error_support_test.cc',
- 'crdtp/export.h',
- 'crdtp/find_by_first.h',
- 'crdtp/find_by_first_test.cc',
- 'crdtp/frontend_channel.h',
- 'crdtp/maybe_test.cc',
- 'crdtp/json.cc',
- 'crdtp/json.h',
- 'crdtp/json_platform.h',
- 'crdtp/json_test.cc',
- 'crdtp/maybe.h',
- 'crdtp/parser_handler.h',
- 'crdtp/protocol_core.cc',
- 'crdtp/protocol_core.h',
- 'crdtp/protocol_core_test.cc',
- 'crdtp/serializable.h',
- 'crdtp/serializable.cc',
- 'crdtp/serializable_test.cc',
- 'crdtp/serializer_traits.h',
- 'crdtp/serializer_traits_test.cc',
- 'crdtp/span.h',
- 'crdtp/span.cc',
- 'crdtp/span_test.cc',
- 'crdtp/status.cc',
- 'crdtp/status.h',
- 'crdtp/status_test_support.cc',
- 'crdtp/status_test_support.h',
- 'crdtp/status_test.cc',
- 'crdtp/test_platform.cc',
- 'crdtp/test_platform.h',
- 'crdtp/test_string_traits.cc',
- 'crdtp/test_string_traits.h',
- 'crdtp/transcode.cc',
- 'inspector_protocol.gni',
- 'inspector_protocol.gypi',
- 'lib/*',
- 'pdl.py',
- 'templates/*',
- ]
- def RunCmd(cmd):
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
- (stdoutdata, stderrdata) = p.communicate()
- if p.returncode != 0:
- raise Exception('%s: exit status %d', str(cmd), p.returncode)
- return stdoutdata.decode('utf-8')
- def CheckRepoIsClean(path):
- os.chdir(path) # As a side effect this also checks for existence of the dir.
- # If path isn't a git repo, this will throw and exception.
- # And if it is a git repo and 'git status' has anything interesting to say,
- # then it's not clean (uncommitted files etc.)
- if len(RunCmd(['git', 'status', '--porcelain'])) != 0:
- raise Exception('%s is not a clean git repo (run git status)' % path)
- if not path.endswith('/src'):
- raise Exception('%s does not end with /src' % path)
- def CheckRepoIsNotAtMasterBranch(path):
- os.chdir(path)
- stdout = RunCmd(['git', 'rev-parse', '--abbrev-ref', 'HEAD']).strip()
- if stdout == 'master':
- raise Exception('%s is at master branch - refusing to copy there.' % path)
- def CheckRepoIsChromiumCheckout(path):
- os.chdir(path)
- if (RunCmd(['git', 'config', '--get', 'remote.origin.url']).strip() !=
- 'https://chromium.googlesource.com/chromium/src.git'):
- raise Exception('%s is not a proper Chromium checkout.' % path)
- def CheckRepoIsInspectorProtocolCheckout(path):
- os.chdir(path)
- if (RunCmd(['git', 'config', '--get', 'remote.origin.url']).strip() !=
- 'https://chromium.googlesource.com/deps/inspector_protocol.git'):
- raise Exception('%s is not a proper inspector_protocol checkout.' % path)
- def FindFilesToSyncIn(path):
- files = []
- for f in FILES_TO_SYNC:
- files += glob.glob(os.path.join(path, f))
- files = [os.path.relpath(f, path) for f in files]
- return files
- def FilesAreEqual(path1, path2):
- # We check for permissions (useful for executable scripts) and contents.
- return (os.stat(path1).st_mode == os.stat(path2).st_mode and
- open(path1).read() == open(path2).read())
- def GetHeadRevision(path):
- os.chdir(path)
- return RunCmd(['git', 'rev-parse', 'HEAD'])
- def main(argv):
- parser = argparse.ArgumentParser(description=(
- "Rolls the inspector_protocol project (upstream) into Chromium's "
- "third_party (downstream)."))
- parser.add_argument("--ip_src_upstream",
- help="The inspector_protocol (upstream) tree.",
- default="~/ip/src")
- parser.add_argument("--chromium_src_downstream",
- help="The Chromium src tree.",
- default="~/chromium/src")
- parser.add_argument('--reverse', dest='reverse', action='store_true',
- help=("Whether to roll the opposite direction, from "
- "Chromium (downstream) to inspector_protocol "
- "(upstream)."))
- parser.set_defaults(reverse=False)
- parser.add_argument('--force', dest='force', action='store_true',
- help=("Whether to carry out the modifications "
- "in the destination tree."))
- parser.set_defaults(force=False)
- args = parser.parse_args(argv)
- upstream = os.path.normpath(os.path.expanduser(args.ip_src_upstream))
- downstream = os.path.normpath(os.path.expanduser(
- args.chromium_src_downstream))
- CheckRepoIsClean(upstream)
- CheckRepoIsClean(downstream)
- CheckRepoIsInspectorProtocolCheckout(upstream)
- CheckRepoIsChromiumCheckout(downstream)
- # Check that the destination Git repo isn't at the master branch - it's
- # generally a bad idea to check into the master branch, so we catch this
- # common pilot error here early.
- if args.reverse:
- CheckRepoIsNotAtMasterBranch(upstream)
- src_dir = os.path.join(downstream, 'third_party/inspector_protocol')
- dest_dir = upstream
- else:
- CheckRepoIsNotAtMasterBranch(downstream)
- src_dir = upstream
- dest_dir = os.path.join(downstream, 'third_party/inspector_protocol')
- print('Rolling %s into %s ...' % (src_dir, dest_dir))
- src_files = set(FindFilesToSyncIn(src_dir))
- dest_files = set(FindFilesToSyncIn(dest_dir))
- to_add = [f for f in src_files if f not in dest_files]
- to_delete = [f for f in dest_files if f not in src_files]
- to_copy = [f for f in src_files
- if (f in dest_files and not FilesAreEqual(
- os.path.join(src_dir, f), os.path.join(dest_dir, f)))]
- print('To add: %s' % to_add)
- print('To delete: %s' % to_delete)
- print('To copy: %s' % to_copy)
- if not to_add and not to_delete and not to_copy:
- print('Nothing to do. You\'re good.')
- sys.exit(0)
- if not args.force:
- print('Rerun with --force if you wish the modifications to be done.')
- sys.exit(1)
- print('You said --force ... as you wish, modifying the destination.')
- for f in to_add + to_copy:
- shutil.copyfile(os.path.join(src_dir, f), os.path.join(dest_dir, f))
- shutil.copymode(os.path.join(src_dir, f), os.path.join(dest_dir, f))
- for f in to_delete:
- os.unlink(os.path.join(dest_dir, f))
- if not args.reverse:
- head_revision = GetHeadRevision(upstream)
- lines = open(os.path.join(dest_dir, 'README.chromium')).readlines()
- f = open(os.path.join(dest_dir, 'README.chromium'), 'w')
- for line in lines:
- if line.startswith('Revision: '):
- f.write('Revision: %s' % head_revision)
- else:
- f.write(line)
- f.close()
- if __name__ == '__main__':
- sys.exit(main(sys.argv[1:]))
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