1 files changed, 5 insertions, 0 deletions
diff --git a/railties/lib/rails/test_unit/minitest_plugin.rb b/railties/lib/rails/test_unit/minitest_plugin.rb
index 6e196a32ab..e3c70b0b3d 100644
--- a/railties/lib/rails/test_unit/minitest_plugin.rb
+++ b/railties/lib/rails/test_unit/minitest_plugin.rb
@@ -52,6 +52,11 @@ module Minitest
       options[:color] = value
     end
 
+    opts.on("-w", "--warnings",
+            "Enable ruby warnings") do
+      $VERBOSE = true
+    end
+
     options[:color] = true
     options[:output_inline] = true
     options[:patterns] = defined?(@rake_patterns) ? @rake_patterns : opts.order!