def add_file(self, filename, patch_name=None, ignore=False): """ Add file to the patch with patch_name. If patch_name is None or empty the topmost patch will be used. Adding an already added patch will raise an QuiltError if ignore is False. """ file = File(filename) if patch_name: patch = Patch(patch_name) else: patch = self.db.top_patch() if not patch: raise NoAppliedPatch(self.db) exists = self._file_in_patch(filename, patch, ignore) if exists: return self._file_in_next_patches(filename, patch) if file.is_link(): raise QuiltError("Cannot add symbolic link %s" % filename) self._backup_file(file, patch) if file.exists(): # be sure user can write original file os.chmod(filename, file.get_mode() | stat.S_IWUSR | stat.S_IRUSR) self.file_added(file, patch)