系统更新后更新所有RVM红宝石和宝石的最佳方法？

I'm seeking a more streamlined and robust approach to keeping my rvm environment intact after an OS update. I'm using Mountain Lion, rvm 1.18.16 and homebrew, which has readline, gettext, libxml2, libxslt, qt, gtk+ -- the gems that usually break for me are nokogiri and capybara-webkitI'm seeking a more streamlined and robust appro