require_java 8
install_package "jruby-9.4.6.0" "https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.4.6.0/jruby-dist-9.4.6.0-bin.tar.gz#2da14de4152b71fdbfa35ba4687a46ef12cd465740337b549cc1fe6c7c139813" jruby