chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

BundleUtil#parse_bundle_outdated

Parse the output of "bundle outdated" and get the list of gems that
were outdated

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git
cd chef
open tasks/bundle_util.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-BundleUtil-parse_bundle_outdated-for-pr

# Commit to git
git add tasks/bundle_util.rbgit commit -m "better docs for BundleUtil#parse_bundle_outdated"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-BundleUtil-parse_bundle_outdated-for-pr
hub pull-request

# Celebrate!