In closing, you don’t have to be a crazy Rubyist, or even know too much Ruby, in order to utilize Rake. It’s a powerful tool and can save you a lot of time.
Whether I'm writing mobile apps with Titanium, or writing books for Manning, Rake is a critical part of my polyglot toolchain. It's a powerful thread to stitch together CoffeeScript, Python, Sass, Haskell, and of course Ruby.
Chris' blog is worth a look. I've been enjoying his recent articles, mostly on Obj-C.