lib/sass/rails3_shim.rb
unless Haml::Util.try_sass # Since Bundler sets up our gem environment, # Sass will only be loadable from gem # if gem "sass" has been set. Haml::Util.haml_warn(<<WARNING) Haml will no longer automatically load Sass in Haml 3.2.0. Please add gem 'sass' to your Gemfile. WARNING end require 'sass/plugin/configuration' ActiveSupport.on_load(:before_initialize) do require 'sass' require 'sass/plugin' end