def set_chars_to_quote(self, rbdir, force): """Set chars_to_quote setting for backup session Unlike most other options, the chars_to_quote setting also depends on the current settings in the rdiff-backup-data directory, not just the current fs features. """ (ctq, update) = self.compare_ctq_file(rbdir, self.get_ctq_from_fsas(), force) SetConnections.UpdateGlobal('chars_to_quote', ctq) if Globals.chars_to_quote: FilenameMapping.set_init_quote_vals() return update