require 'formula' class RubyInstall < Formula homepage 'https://github.com/postmodern/ruby-install#readme' url 'https://github.com/postmodern/ruby-install/archive/v0.4.3.tar.gz' sha1 'be7dd5ad558102ab812addd3100a91c9812d0317' head 'https://github.com/postmodern/ruby-install.git' def install system 'make', 'install', "PREFIX=#{prefix}" end end