Homebrew Formula for installing CSharpTools

csharptools.rb

require 'formula'
 
class Csharptools < Formula
    homepage "http://jlyonsmith.github.io/CSharpTools/"
    url "https://s3-us-west-2.amazonaws.com/jlyonsmith/CSharpTools-3.0.10427.tar.gz"
    sha1 "ec1e27fa9196479afa7e2f5d9ecd2970fec03d79"
    
    def install
        mono_path = `/usr/bin/which mono`.strip
        if mono_path.size == 0 || `#{mono_path} --version`.index(/3\./) == nil
            onoe "You have to install mono 3.x first.\n" +\
                 "You can find the framework release on http://www.go-mono.com/mono-downloads/download.html"
        end
        system "make install PREFIX=#{prefix} HOMEBREW=1"
    end
end