From c00d6d10f0abffbe64e6aac1cadf73fca96bb68e Mon Sep 17 00:00:00 2001
From: Jeff Wong <awole20@gmail.com>
Date: Thu, 17 May 2018 09:10:52 -0700
Subject: [PATCH] FIX: support listing plugins for older discourse versions

---
 app/controllers/docker_manager/admin_controller.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/controllers/docker_manager/admin_controller.rb b/app/controllers/docker_manager/admin_controller.rb
index d94a646..bee2633 100644
--- a/app/controllers/docker_manager/admin_controller.rb
+++ b/app/controllers/docker_manager/admin_controller.rb
@@ -47,8 +47,13 @@ module DockerManager
 
     def repos
       repos = [DockerManager::GitRepo.new(Rails.root.to_s, 'discourse')]
-      Discourse.visible_plugins.each do |p|
+      p = Proc.new { |p|
         repos << DockerManager::GitRepo.new(File.dirname(p.path), p.name)
+      }
+      if Discourse.respond_to?(:visible_plugins)
+        Discourse.visible_plugins.each(&p)
+      else
+        Discourse.plugins.each(&p)
       end
       repos.map! do |r|
         result = {