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| 1 # Copyright (c) 2009, Google Inc. All rights reserved. | |
| 2 # Copyright (c) 2009 Apple Inc. All rights reserved. | |
| 3 # | |
| 4 # Redistribution and use in source and binary forms, with or without | |
| 5 # modification, are permitted provided that the following conditions are | |
| 6 # met: | |
| 7 # | |
| 8 # * Redistributions of source code must retain the above copyright | |
| 9 # notice, this list of conditions and the following disclaimer. | |
| 10 # * Redistributions in binary form must reproduce the above | |
| 11 # copyright notice, this list of conditions and the following disclaimer | |
| 12 # in the documentation and/or other materials provided with the | |
| 13 # distribution. | |
| 14 # * Neither the name of Google Inc. nor the names of its | |
| 15 # contributors may be used to endorse or promote products derived from | |
| 16 # this software without specific prior written permission. | |
| 17 # | |
| 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 # | |
| 30 # Python module for interacting with an SCM system (like SVN or Git) | |
| 31 | |
| 32 import logging | |
| 33 import re | |
| 34 import sys | |
| 35 | |
| 36 from webkitpy.common.system.executive import Executive | |
| 37 from webkitpy.common.system.filesystem import FileSystem | |
| 38 | |
| 39 _log = logging.getLogger(__name__) | |
| 40 | |
| 41 | |
| 42 # SCM methods are expected to return paths relative to self.checkout_root. | |
| 43 class SCM: | |
| 44 | |
| 45 # Arguments are generally unused in abstract base methods below. | |
| 46 # pylint: disable=unused-argument | |
| 47 | |
| 48 def __init__(self, cwd, executive=None, filesystem=None): | |
| 49 self.cwd = cwd | |
| 50 self._executive = executive or Executive() | |
| 51 self._filesystem = filesystem or FileSystem() | |
| 52 self.checkout_root = self.find_checkout_root(self.cwd) | |
| 53 | |
| 54 # A wrapper used by subclasses to create processes. | |
| 55 def _run(self, | |
| 56 args, | |
| 57 cwd=None, | |
| 58 # pylint: disable=redefined-builtin | |
| 59 input=None, | |
| 60 timeout_seconds=None, | |
| 61 error_handler=None, | |
| 62 return_exit_code=False, | |
| 63 return_stderr=True, | |
| 64 decode_output=True): | |
| 65 # FIXME: We should set cwd appropriately. | |
| 66 return self._executive.run_command(args, | |
| 67 cwd=cwd, | |
| 68 input=input, | |
| 69 timeout_seconds=timeout_seconds, | |
| 70 error_handler=error_handler, | |
| 71 return_exit_code=return_exit_code, | |
| 72 return_stderr=return_stderr, | |
| 73 decode_output=decode_output) | |
| 74 | |
| 75 # SCM always returns repository relative path, but sometimes we need | |
| 76 # absolute paths to pass to rm, etc. | |
| 77 def absolute_path(self, repository_relative_path): | |
| 78 return self._filesystem.join(self.checkout_root, repository_relative_pat
h) | |
| 79 | |
| 80 def _run_status_and_extract_filenames(self, status_command, status_regexp): | |
| 81 filenames = [] | |
| 82 # We run with cwd=self.checkout_root so that returned-paths are root-rel
ative. | |
| 83 for line in self._run(status_command, cwd=self.checkout_root).splitlines
(): | |
| 84 match = re.search(status_regexp, line) | |
| 85 if not match: | |
| 86 continue | |
| 87 # status = match.group('status') | |
| 88 filename = match.group('filename') | |
| 89 filenames.append(filename) | |
| 90 return filenames | |
| 91 | |
| 92 @staticmethod | |
| 93 def _subclass_must_implement(): | |
| 94 raise NotImplementedError("subclasses must implement") | |
| 95 | |
| 96 @classmethod | |
| 97 def in_working_directory(cls, path, executive=None): | |
| 98 SCM._subclass_must_implement() | |
| 99 | |
| 100 def find_checkout_root(self, path): | |
| 101 SCM._subclass_must_implement() | |
| 102 | |
| 103 def add_all(self, pathspec=None): | |
| 104 self._subclass_must_implement() | |
| 105 | |
| 106 def add(self, path, return_exit_code=False, recurse=True): | |
| 107 self.add_list([path], return_exit_code, recurse) | |
| 108 | |
| 109 def add_list(self, paths, return_exit_code=False, recurse=True): | |
| 110 self._subclass_must_implement() | |
| 111 | |
| 112 def delete(self, path): | |
| 113 self.delete_list([path]) | |
| 114 | |
| 115 def delete_list(self, paths): | |
| 116 self._subclass_must_implement() | |
| 117 | |
| 118 def move(self, origin, destination): | |
| 119 self._subclass_must_implement() | |
| 120 | |
| 121 def exists(self, path): | |
| 122 self._subclass_must_implement() | |
| 123 | |
| 124 def unstaged_changes(self): | |
| 125 self._subclass_must_implement() | |
| 126 | |
| 127 def changed_files(self, git_commit=None): | |
| 128 self._subclass_must_implement() | |
| 129 | |
| 130 def _added_files(self): | |
| 131 self._subclass_must_implement() | |
| 132 | |
| 133 def _deleted_files(self): | |
| 134 self._subclass_must_implement() | |
| 135 | |
| 136 def display_name(self): | |
| 137 self._subclass_must_implement() | |
| 138 | |
| 139 def commit_position(self, path): | |
| 140 """Returns the latest chromium commit position found in the checkout.""" | |
| 141 self._subclass_must_implement() | |
| 142 | |
| 143 def timestamp_of_revision(self, path, revision): | |
| 144 self._subclass_must_implement() | |
| 145 | |
| 146 def blame(self, path): | |
| 147 self._subclass_must_implement() | |
| 148 | |
| 149 def has_working_directory_changes(self, pathspec=None): | |
| 150 self._subclass_must_implement() | |
| 151 | |
| 152 #-------------------------------------------------------------------------- | |
| 153 # Subclasses must indicate if they support local commits, | |
| 154 # but the SCM baseclass will only call local_commits methods when this is tr
ue. | |
| 155 @staticmethod | |
| 156 def supports_local_commits(): | |
| 157 SCM._subclass_must_implement() | |
| 158 | |
| 159 def commit_locally_with_message(self, message): | |
| 160 _log.error("Your source control manager does not support local commits."
) | |
| 161 sys.exit(1) | |
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Chromium Code Reviews
Issue 2594513003:
Merge scm.py and git.py in webkitpy. (Closed)
