I’m currently upgrading one of the Ruby on Rails apps from Rails 3.0 to Rails 3.1. As it so happens we’re using ActiveAdmin with it which requires sass-rails on Rails 3.1. At the time of writing the latest version of sass-rails is 3.1.5 and it requires the asset pipeline to be enabled. But I don’t want to upgrade from jammit at this time so I have to disable the asset pipeline. But with the asset pipeline disabled the app can’t start due to sass-rails. So here’s what I needed to do to make it work.
I had to change it so that it looks like the code snippet below. Basically this fakes the asset pipeline for the benefit of sass-rails.
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Disable compilation of the assets alongside disabling the asset pipeline as a whole.
The two small changes fixed sass-rails without the asset pipeline for now. Hopefully pull request #84 will be merged into sass-rails soon and a new version will be released so that this hack won’t be necessary. Until then this is the most basic fix I could come up with.