1 files changed, 11 insertions, 0 deletions
diff --git a/lib/redmine/plugin.rb b/lib/redmine/plugin.rb
index e26ea91b9..9c67399d9 100644
--- a/lib/redmine/plugin.rb
+++ b/lib/redmine/plugin.rb
@@ -50,6 +50,8 @@ module Redmine #:nodoc:
     self.public_directory = File.join(Rails.root, 'public', 'plugin_assets')
 
     @registered_plugins = {}
+    @used_partials = {}
+
     class << self
       attr_reader :registered_plugins
       private :new
@@ -93,6 +95,15 @@ module Redmine #:nodoc:
         ActiveSupport::Dependencies.autoload_paths += [dir]
       end
 
+      # Warn for potential settings[:partial] collisions
+      if p.configurable?
+        partial = p.settings[:partial]
+        if @used_partials[partial]
+          Rails.logger.warn "WARNING: settings partial '#{partial}' is declared in '#{p.id}' plugin but it is already used by plugin '#{@used_partials[partial]}'. Only one settings view will be used. You may want to contact those plugins authors to fix this."
+        end
+        @used_partials[partial] = p.id
+      end
+
       registered_plugins[id] = p
     end