require_java 8
install_package "jruby-9.4.0.0" "https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.4.0.0/jruby-dist-9.4.0.0-bin.tar.gz#897bb8a98ad43adcbf5fd3aa75ec85b3312838c949592ca3f623dc1f569d2870" jruby