From 07b41dffe327deb722f01404592f3b617f9a8d6c Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@eff.org>
Date: Fri, 17 Mar 2017 10:27:15 -0700
Subject: [PATCH] add --lock-path flag

---
 certbot/cli.py        | 2 ++
 certbot/interfaces.py | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/certbot/cli.py b/certbot/cli.py
index c0af490d2..1ddbc45c9 100644
--- a/certbot/cli.py
+++ b/certbot/cli.py
@@ -1162,6 +1162,8 @@ def _paths_parser(helpful):
         help="Logs directory.")
     add("paths", "--server", default=flag_default("server"),
         help=config_help("server"))
+    add("paths", "--lock-path", default=flag_default("lock_path"),
+        help=config_help('lock_path'))
 
 
 def _plugins_parsing(helpful, plugins):
diff --git a/certbot/interfaces.py b/certbot/interfaces.py
index a2767121b..91bab59a9 100644
--- a/certbot/interfaces.py
+++ b/certbot/interfaces.py
@@ -222,6 +222,9 @@ class IConfig(zope.interface.Interface):
     key_dir = zope.interface.Attribute("Keys storage.")
     temp_checkpoint_dir = zope.interface.Attribute(
         "Temporary checkpoint directory.")
+    lock_path = zope.interface.Attribute(
+        "Path to the lock file used to prevent multiple instances of "
+        "Certbot from modifying your server's configuration at once.")
 
     no_verify_ssl = zope.interface.Attribute(
         "Disable verification of the ACME server's certificate.")