require 'formula' class Jruby < Formula url 'http://jruby.kenai.com/downloads/1.4.0/jruby-bin-1.4.0.tar.gz' homepage 'http://www.jruby.org' md5 'f37322c18e9134e91e064aebb4baa4c7' def install # Remove Windows files rm Dir['bin/*.{bat,dll,exe}'] # Prefix a 'j' on some commands Dir.chdir 'bin' do Dir['*'].each do |file| mv file, "j#{file}" unless file.match /^[j_]/ end end # Only keep the OS X native libraries Dir.chdir 'lib/native' do Dir['*'].each do |file| rm_rf file unless file == 'darwin' end end prefix.install Dir['*'] end def test system "jruby -e ''" end end