require_java 8
install_package "jruby-9.4.12.1" "https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.4.12.1/jruby-dist-9.4.12.1-bin.tar.gz#b7fbaf1dda7a9d477cccda9197273fac85dc1f6dcb4046e1f7aa5b11a48d148b" jruby