lib/bundler/vendor/molinillo/lib/molinillo/modules/ui.rb in bundler-1.11.2 vs lib/bundler/vendor/molinillo/lib/molinillo/modules/ui.rb in bundler-1.12.0.pre.1

@@ -55,9 +55,10 @@
     # By default, whether or not the `MOLINILLO_DEBUG` environment variable is
     # set.
     #
     # @return [Boolean]
     def debug?
-      @debug_mode ||= ENV['MOLINILLO_DEBUG']
+      return @debug_mode if defined?(@debug_mode)
+      @debug_mode = ENV['MOLINILLO_DEBUG']
     end
   end
 end