Stripped down rbenv package install

ruby.rb

include_recipe 'rbenv::system_install'

node['rbenv']['rubies'].each do |ruby|
  execute "Install ruby #{ruby}" do
    command "tar xvfz /opt/chef-solo/current/vendor/rbenv-system-ubuntu-12.04-#{ruby}-x86_64.tar.gz"
    cwd "/usr/local/rbenv/versions"
    only_if do
      !File.exists?("/usr/local/rbenv/versions/#{ruby}")
    end
  end
end

global = node['rbenv']['global']
rbenv_global global