ci-cache 
Cache files and folders between continues integration builds.
Examples
Bundler
---
bundler_args: --without development --path=~/.bundle
language: ruby
rvm:
- 2.0.0
env:
global:
- CI_CACHE_S3_BUCKET="cache-bucket"
- CI_CACHE_S3_KEY="cache-aws-key"
- CI_CACHE_S3_SECRET="cache-aws-secret"
before_install:
- gem install ci-cache
- ci-cache get --name bundler-cache --output-path ~
after_script:
- bundle clean
- ci-cache set --name bundler-cache --content ~/.bundle --hash-file Gemfile.lock