| # Copyright (c) 2019 Apple Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Python module for interacting with an SCM system (like SVN or Git) |
| |
| import logging |
| import json |
| |
| from webkitpy.common.system.filesystem import FileSystem |
| from webkitpy.common.checkout.scm.scm import SCM |
| |
| _log = logging.getLogger(__name__) |
| |
| |
| class StubRepository(SCM): |
| _stub_repository_json = 'checkout_information.json' |
| |
| def __init__(self, cwd, patch_directories=None, **kwargs): |
| SCM.__init__(self, cwd, **kwargs) |
| |
| @classmethod |
| def _find_parent_path_matching_callback_condition(cls, path, callback, filesystem=None): |
| if not filesystem: |
| filesystem = FileSystem() |
| previous_path = '' |
| path = filesystem.abspath(path) |
| while path and path != previous_path: |
| if filesystem.exists(filesystem.join(path, cls._stub_repository_json)): |
| return callback(path) |
| previous_path = path |
| path = filesystem.dirname(path) |
| return None |
| |
| @classmethod |
| def in_working_directory(cls, path, executive=None, filesystem=None): |
| try: |
| return bool(cls._find_parent_path_matching_callback_condition(path, lambda path: True, filesystem=filesystem)) |
| except OSError: |
| return False |
| |
| def svn_revision(self, path): |
| return self.native_revision(path) |
| |
| def svn_branch(self, path): |
| return self.native_branch(path) |
| |
| def native_revision(self, path): |
| return self._find_parent_path_matching_callback_condition(path, lambda path: self._decode_json(path)['id'], filesystem=self._filesystem) |
| |
| def native_branch(self, path): |
| return self._find_parent_path_matching_callback_condition(path, lambda path: self._decode_json(path)['branch'], filesystem=self._filesystem) |
| |
| def _decode_json(self, path): |
| with self._filesystem.open_text_file_for_reading(self._filesystem.join(path, self._stub_repository_json)) as json_file: |
| return json.load(json_file) |
| |
| def find_checkout_root(self, path): |
| return self._find_parent_path_matching_callback_condition(path, lambda path: path, filesystem=self._filesystem) |