require_java7
install_package "jruby-9.0.0.0.pre1" "https://repo1.maven.org/maven2/org/jruby/jruby-dist/9.0.0.0.pre1/jruby-dist-9.0.0.0.pre1-bin.tar.gz#381da389b07c4692db5feeeeb6a21963cbdc86ee5172bd3f170bd081cc607354" warn_eol jruby