require_java 8
install_package "jruby-9.4.12.0" "https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.4.12.0/jruby-dist-9.4.12.0-bin.tar.gz#05c5d203d6990c92671cc42f57d2fa1c1083bbfd16fa7023dc5848cdb8f0aa2e" jruby