chef

https://github.com/opscode/chef

Ruby

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

GemfileUtil#gem

Adds `override: true`, which allows your statement to override any other
gem statement about the same gem in the Gemfile.

Source | Google | Stack overflow

Edit

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

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-GemfileUtil-gem-for-pr

# Commit to git
git add tasks/gemfile_util.rbgit commit -m "better docs for GemfileUtil#gem"

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

# Celebrate!