def exists(self) -> bool: return exists(self.checkout_dir) and Shell.try_exec("svn info", cwd=self.checkout_dir)
def test_command_try_failure(self): assert not Shell.try_exec("unknown command")
def _is_repo(self, path: str): return exists(path) and Shell.try_exec("git status", cwd=path, logger=self._logger)
def test_command_try(self): assert Shell.try_exec("echo 'test'")