$ j gem install buildr --include-dependencies
INFO:  `gem install -y` is now default and will be removed
INFO:  use --ignore-dependencies to install only the gems you list
ERROR:  Error installing buildr:
	buildr requires hoe (= 1.3.0, runtime)
$ j gem install -v 1.3.0 hoe
Successfully installed hoe-1.3.0
1 gem installed
Installing ri documentation for hoe-1.3.0...
Installing RDoc documentation for hoe-1.3.0...
$ j gem install buildr
ERROR:  Error installing buildr:
	buildr requires jruby-openssl (= 0.2, runtime)
[exited with 1]