gistfile1.rb

  Rails::Generator::Commands::Create.class_eval do
    def template(relative_source, relative_destination, template_options = {})
      file(relative_source, relative_destination, template_options) do |file|
        # Evaluate any assignments in a temporary, throwaway binding.
        vars = template_options[:assigns] || {}
        b = template_options[:binding] || binding
        # this no longer works, eval throws "undefined local variable or method `vars'" 
        # vars.each { |k,v| eval "#{k} = vars[:#{k}] || vars['#{k}']", b }
        vars.each { |k,v| b.local_variable_set(:"#{k}", v) }

        # Render the source file with the temporary binding.
        ERB.new(file.read, nil, '-').result(b)
      end
    end
  end