It should speed up the builds significantly. See
http://about.travis-ci.org/docs/user/caching/#Bundler for more details.
Enable Travis' bundle caching
Love this. ❤️ Thanks man!
Update history to reflect merge of #1734
@gregkare: Do you know if Travis is planning on extending this to extend this to public repos? That would be super awesome.
@maul-esel Good point, I didn't realize it's only for private repos so far. I thought I used it successfully for a public repo but I misremembered unfortunately :( cc @parkr
Well, we're ready for it when they launch it for public repos!
Just noting that cache is for Travis pro customers only at the moment.