require 'formula' class RubyBuild < Formula homepage 'https://github.com/sstephenson/ruby-build' url 'https://github.com/sstephenson/ruby-build/tarball/v20130225' sha1 'caa9a02488822b53c97ae2e53da639f305c1e3d0' head 'https://github.com/sstephenson/ruby-build.git' def install ENV['PREFIX'] = prefix system "./install.sh" end end