vhyza/sass-rails-source-maps — pull request #1 by yukihr (2013-11-23 11:42:48+00:00)
Title: Fix overriding SassTemplate#evaluate

Sourcemap for *.sass files not being generated, due to failing overriding SassTemplate#evaluate.

This strategy would work: http://tech.tulentsev.com/2012/02/ruby-how-to-override-class-method-with-a-module/