--dry-run implies --break-my-certs

letsencrypt/cli.py

@@ -845,7 +845,7 @@ class HelpfulArgumentParser(object):
                 if self.verb != "certonly":
                     raise errors.Error("--dry-run currently only works with the "
                                        "'certonly' subcommand")
-                parsed_args.staging = True
+                parsed_args.break_my_certs = parsed_args.staging = True
 
         return parsed_args
 

letsencrypt/tests/cli_test.py

@@ -402,6 +402,7 @@ class CLITest(unittest.TestCase):  # pylint: disable=too-many-public-methods
 
     def _assert_dry_run_flag_worked(self, namespace):
         self.assertTrue(namespace.dry_run)
+        self.assertTrue(namespace.break_my_certs)
         self.assertTrue(namespace.staging)
         self.assertEqual(namespace.server, constants.STAGING_URI)