rubychina 的 GEM,当指定是:git=>http://github.com/....的时候,老是出现
http://github.com/xdite/bootstrap-rails.git (at master) is not checked out. Please run bundle install
据说这样可以解决问题
bundle install --deployment
..... Your bundle is complete! It was installed into ./vendor/bundle
总算把 spork 起来了。