1 # Copyright (c) 2009, 2010, 2011 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 import logging 31 import os 32 import random 33 import re 34 import shutil 35 import string 36 import sys 37 import tempfile 38 39 from webkitpy.common.memoized import memoized 40 from webkitpy.common.system.executive import Executive, ScriptError 41 42 from .scm import SCM 43 44 _log = logging.getLogger(__name__) 45 46 47 class SVN(SCM): 48 49 executable_name = "svn" 50 51 _svn_metadata_files = frozenset(['.svn', '_svn']) 52 53 def __init__(self, cwd, patch_directories, **kwargs): 54 SCM.__init__(self, cwd, **kwargs) 55 self._bogus_dir = None 56 if patch_directories == []: 57 raise Exception(message='Empty list of patch directories passed to SCM.__init__') 58 elif patch_directories == None: 59 self._patch_directories = [self._filesystem.relpath(cwd, self.checkout_root)] 60 else: 61 self._patch_directories = patch_directories 62 63 @classmethod 64 def in_working_directory(cls, path, executive=None): 65 if os.path.isdir(os.path.join(path, '.svn')): 66 # This is a fast shortcut for svn info that is usually correct for SVN < 1.7, 67 # but doesn't work for SVN >= 1.7. 68 return True 69 70 executive = executive or Executive() 71 svn_info_args = [cls.executable_name, 'info'] 72 exit_code = executive.run_command(svn_info_args, cwd=path, return_exit_code=True) 73 return (exit_code == 0) 74 75 def _find_uuid(self, path): 76 if not self.in_working_directory(path): 77 return None 78 return self.value_from_svn_info(path, 'Repository UUID') 79 80 @classmethod 81 def value_from_svn_info(cls, path, field_name): 82 svn_info_args = [cls.executable_name, 'info'] 83 # FIXME: This method should use a passed in executive or be made an instance method and use self._executive. 84 info_output = Executive().run_command(svn_info_args, cwd=path).rstrip() 85 match = re.search("^%s: (?P<value>.+)$" % field_name, info_output, re.MULTILINE) 86 if not match: 87 raise ScriptError(script_args=svn_info_args, message='svn info did not contain a %s.' % field_name) 88 return match.group('value').rstrip('\r') 89 90 def find_checkout_root(self, path): 91 uuid = self._find_uuid(path) 92 # If |path| is not in a working directory, we're supposed to return |path|. 93 if not uuid: 94 return path 95 # Search up the directory hierarchy until we find a different UUID. 96 last_path = None 97 while True: 98 if uuid != self._find_uuid(path): 99 return last_path 100 last_path = path 101 (path, last_component) = self._filesystem.split(path) 102 if last_path == path: 103 return None 104 105 def _run_svn(self, args, **kwargs): 106 return self._run([self.executable_name] + args, **kwargs) 107 108 @memoized 109 def _svn_version(self): 110 return self._run_svn(['--version', '--quiet']) 111 112 def has_working_directory_changes(self): 113 # FIXME: What about files which are not committed yet? 114 return self._run_svn(["diff"], cwd=self.checkout_root, decode_output=False) != "" 115 116 def status_command(self): 117 return [self.executable_name, 'status'] 118 119 def _status_regexp(self, expected_types): 120 field_count = 6 if self._svn_version() > "1.6" else 5 121 return "^(?P<status>[%s]).{%s} (?P<filename>.+)$" % (expected_types, field_count) 122 123 def _add_parent_directories(self, path, recurse): 124 """Does 'svn add' to the path and its parents.""" 125 if self.in_working_directory(path): 126 return 127 self.add(path, recurse=recurse) 128 129 def add_list(self, paths, return_exit_code=False, recurse=True): 130 for path in paths: 131 self._add_parent_directories(os.path.dirname(os.path.abspath(path)), 132 recurse=False) 133 if recurse: 134 cmd = ["add"] + paths 135 else: 136 cmd = ["add", "--depth", "empty"] + paths 137 return self._run_svn(cmd, return_exit_code=return_exit_code) 138 139 def _delete_parent_directories(self, path): 140 if not self.in_working_directory(path): 141 return 142 if set(os.listdir(path)) - self._svn_metadata_files: 143 return # Directory has non-trivial files in it. 144 self.delete(path) 145 146 def delete_list(self, paths): 147 for path in paths: 148 abs_path = os.path.abspath(path) 149 parent, base = os.path.split(abs_path) 150 result = self._run_svn(["delete", "--force", base], cwd=parent) 151 self._delete_parent_directories(os.path.dirname(abs_path)) 152 return result 153 154 def move(self, origin, destination): 155 return self._run_svn(["mv", "--force", origin, destination], return_exit_code=True) 156 157 def exists(self, path): 158 return not self._run_svn(["info", path], return_exit_code=True, decode_output=False) 159 160 def changed_files(self, git_commit=None): 161 status_command = [self.executable_name, "status"] 162 status_command.extend(self._patch_directories) 163 # ACDMR: Addded, Conflicted, Deleted, Modified or Replaced 164 return self._run_status_and_extract_filenames(status_command, self._status_regexp("ACDMR")) 165 166 def _added_files(self): 167 return self._run_status_and_extract_filenames(self.status_command(), self._status_regexp("A")) 168 169 def _deleted_files(self): 170 return self._run_status_and_extract_filenames(self.status_command(), self._status_regexp("D")) 171 172 @staticmethod 173 def supports_local_commits(): 174 return False 175 176 def display_name(self): 177 return "svn" 178 179 def svn_revision(self, path): 180 return self.value_from_svn_info(path, 'Revision') 181 182 def timestamp_of_revision(self, path, revision): 183 # We use --xml to get timestamps like 2013-02-08T08:18:04.964409Z 184 repository_root = self.value_from_svn_info(self.checkout_root, 'Repository Root') 185 info_output = Executive().run_command([self.executable_name, 'log', '-r', revision, '--xml', repository_root], cwd=path).rstrip() 186 match = re.search(r"^<date>(?P<value>.+)</date>\r?$", info_output, re.MULTILINE) 187 return match.group('value') 188 189 def create_patch(self, git_commit=None, changed_files=None): 190 """Returns a byte array (str()) representing the patch file. 191 Patch files are effectively binary since they may contain 192 files of multiple different encodings.""" 193 if changed_files == []: 194 return "" 195 elif changed_files == None: 196 changed_files = [] 197 return self._run([self._filesystem.join(self.checkout_root, 'Tools', 'Scripts', 'svn-create-patch')] + changed_files, 198 cwd=self.checkout_root, return_stderr=False, 199 decode_output=False) 200 201 def blame(self, path): 202 return self._run_svn(['blame', path]) 203
