| # Copyright (c) 2009, 2010, 2011 Google Inc. All rights reserved. |
| # Copyright (c) 2009 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. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # 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. |
| |
| import logging |
| |
| from webkitpy.common.system.filesystem import FileSystem |
| from webkitpy.common.system.executive import Executive |
| |
| from .svn import SVN |
| from .git import Git |
| |
| _log = logging.getLogger(__name__) |
| |
| |
| class SCMDetector(object): |
| def __init__(self, filesystem, executive): |
| self._filesystem = filesystem |
| self._executive = executive |
| |
| def default_scm(self, patch_directories=None): |
| """Return the default SCM object as determined by the CWD and running code. |
| |
| Returns the default SCM object for the current working directory; if the |
| CWD is not in a checkout, then we attempt to figure out if the SCM module |
| itself is part of a checkout, and return that one. If neither is part of |
| a checkout, None is returned. |
| """ |
| cwd = self._filesystem.getcwd() |
| scm_system = self.detect_scm_system(cwd, patch_directories) |
| if not scm_system: |
| script_directory = self._filesystem.dirname(self._filesystem.path_to_module(self.__module__)) |
| scm_system = self.detect_scm_system(script_directory, patch_directories) |
| if scm_system: |
| _log.info("The current directory (%s) is not a WebKit checkout, using %s" % (cwd, scm_system.checkout_root)) |
| else: |
| raise Exception("FATAL: Failed to determine the SCM system for either %s or %s" % (cwd, script_directory)) |
| return scm_system |
| |
| def detect_scm_system(self, path, patch_directories=None): |
| absolute_path = self._filesystem.abspath(path) |
| |
| if patch_directories == []: |
| patch_directories = None |
| |
| if SVN.in_working_directory(absolute_path, executive=self._executive): |
| return SVN(cwd=absolute_path, patch_directories=patch_directories, filesystem=self._filesystem, executive=self._executive) |
| |
| if Git.in_working_directory(absolute_path, executive=self._executive): |
| return Git(cwd=absolute_path, filesystem=self._filesystem, executive=self._executive) |
| |
| return None |
| |
| |
| # FIXME: These free functions are all deprecated: |
| |
| def detect_scm_system(path, patch_directories=None): |
| return SCMDetector(FileSystem(), Executive()).detect_scm_system(path, patch_directories) |
