# File lib/chef/provider/package/rubygems.rb, line 444
        def uninstall_via_gem_command(name, version)
          if version
            shell_out!("#{gem_binary_path} uninstall #{name} -q -x -I -v \"#{version}\"#{opts}", :env=>nil)
          else
            shell_out!("#{gem_binary_path} uninstall #{name} -q -x -I -a#{opts}", :env=>nil)
          end
        end