My ruby recipe

ruby.rb

include_recipe "rbenv::default"
include_recipe "rbenv::ruby_build"

ruby_version = node[:_common_system][:ruby][:version]
rbenv_ruby ruby_version do |rbenv|
  rbenv.ruby_version ruby_version
  rbenv.global true
end

def gem_install(gem, ruby)
  rbenv_gem gem do
    ruby_version ruby
  end
end

gems = node[:_common_system][:ruby][:gems]
gems.each do |gem|
  gem_install gem, ruby_version
end