From 7fbba104a1afe6e1dfce8a8458ecf96f45df6443 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Behmo?= <regis@behmo.com>
Date: Wed, 10 Jul 2019 15:19:20 +0800
Subject: [PATCH] Update env renderer on config change

We have a side effect whenever we add a plugin manually to the tutor
configuration: the renderer does not update itself. We fix this by
checking the config at load time.
---
 tutor/env.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tutor/env.py b/tutor/env.py
index f9f4e50..9cb2ed7 100644
--- a/tutor/env.py
+++ b/tutor/env.py
@@ -17,10 +17,12 @@ VERSION_FILENAME = "version"
 
 class Renderer:
     ENVIRONMENT = None
+    ENVIRONMENT_CONFIG = None
 
     @classmethod
     def environment(cls, config):
-        if not cls.ENVIRONMENT:
+        if cls.ENVIRONMENT_CONFIG != config:
+            cls.ENVIRONMENT_CONFIG = config
             template_roots = [TEMPLATES_ROOT]
             for _, plugin_templates in plugins.iter_templates(config):
                 template_roots.append(plugin_templates)