Mirrors upstream community cookbooks into an internal supermarket using berks.
This does require a service account created in your internal chef/supermarket for uploading
Update /usr/local/bin/nightly_mirror_cookbooks.sh with your:
- http_proxy and https_proxy variables
- knife.rb's
- cookbook_mirror directory with a Berksfile in it.
Cron nightly_mirror_cookbooks.sh as needed.