Turn warnings on when loading a file if Dependencies.mechanism == :load. Common mistakes such as redefined methods will print warnings to stderr. References #752. References #1792.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3124 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 12 insertions, 3 deletions

diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 9681af6dff..30911453bc 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -33,12 +33,21 @@ module Dependencies #:nodoc:
   def clear
     self.loaded = [ ]
   end
-  
+
   def require_or_load(file_name)
     file_name = "#{file_name}.rb" unless ! load? || file_name[-3..-1] == '.rb'
-    load? ? load(file_name) : require(file_name)
+    if load?
+      begin
+        original_verbosity, $VERBOSE = $VERBOSE, true
+        load file_name
+      ensure
+        $VERBOSE = original_verbosity
+      end
+    else
+      require file_name
+    end
   end
-  
+
   def remove_subclasses_for(*classes)
     Object.remove_subclasses_of(*classes)
   end