Remove broken/unused --num parameter.

certbot/cli.py

@@ -418,8 +418,8 @@ VERB_HELP = [
     }),
     ("config_changes", {
         "short": "Show changes that Certbot has made to server configurations",
-        "opts": "Options for controlling which changes are displayed",
-        "usage": "\n\n  certbot config_changes --num NUM [options]\n\n"
+        "opts": "Options for viewing configuration changes",
+        "usage": "\n\n  certbot config_changes [options]\n\n"
     }),
     ("rollback", {
         "short": "Roll back server conf changes made during certificate installation",
@@ -1289,9 +1289,6 @@ def prepare_and_parse_args(plugins, args, detect_defaults=False):  # pylint: dis
 
 
 def _create_subparsers(helpful):
-    helpful.add("config_changes", "--num", type=int, default=flag_default("num"),
-                help="How many past revisions you want to be displayed")
-
     from certbot.client import sample_user_agent # avoid import loops
     helpful.add(
         None, "--user-agent", default=flag_default("user_agent"),

certbot/client.py

@@ -702,7 +702,7 @@ def rollback(default_installer, checkpoints, config, plugins):
         installer.restart()
 
 
-def view_config_changes(config, num=None):
+def view_config_changes(config):
     """View checkpoints and associated configuration changes.
 
     .. note:: This assumes that the installation is using a Reverter object.
@@ -713,7 +713,7 @@ def view_config_changes(config, num=None):
     """
     rev = reverter.Reverter(config)
     rev.recovery_routine()
-    rev.view_config_changes(num)
+    rev.view_config_changes()
 
 def _open_pem_file(cli_arg_path, pem_path):
     """Open a pem file.

certbot/main.py

@@ -976,7 +976,7 @@ def config_changes(config, unused_plugins):
     :rtype: None
 
     """
-    client.view_config_changes(config, num=config.num)
+    client.view_config_changes(config)
 
 def update_symlinks(config, unused_plugins):
     """Update the certificate file family symlinks

certbot/reverter.py

@@ -132,7 +132,7 @@ class Reverter(object):
                     "Unable to load checkpoint during rollback")
             rollback -= 1
 
-    def view_config_changes(self, num=None):
+    def view_config_changes(self):
         """Displays all saved checkpoints.
 
         All checkpoints are printed by
@@ -145,8 +145,6 @@ class Reverter(object):
         """
         backups = os.listdir(self.config.backup_dir)
         backups.sort(reverse=True)
-        if num:
-            backups = backups[:num]
         if not backups:
             logger.info("Certbot has not saved backups of your configuration")