chef definition for rvm installation

rvm.rb

define :rvm_install do
  url = "https://rvm.beginrescueend.com/install/rvm"

  bash "installing rvm stable" do
    user   params[:name]
    code   <<-EOH
    bash < <(curl -B #{url})
    EOH
    not_if "which rvm"
  end

  node.rvm.rubies.each do |version|
    bash "installing #{version}" do
      user   params[:name]
      code   "rvm install #{version}"
      not_if "rvm list | grep #{version}"
    end

    bash "make #{version} the default ruby" do
      user   params[:name]
      code   "rvm --default #{version}"
      not_if "rvm list | grep '=> #{version}'"
      only_if { node[:rvm][:use] == version }
    end
  end
end