chef

https://github.com/opscode/chef

Ruby

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

ChefConfig::Config.export_proxies

Public method that users should call to export proxies to the appropriate
environment variables.  This method should be called after the config file is
parsed and loaded.
TODO add some post-file-parsing logic that automatically calls this so
users don't have to

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git

cd chef

open chef-config/lib/chef-config/config.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-ChefConfig--Config-export_proxies-for-pr

# Commit to git

git add chef-config/lib/chef-config/config.rbgit commit -m "better docs for ChefConfig::Config.export_proxies"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-ChefConfig--Config-export_proxies-for-pr

hub pull-request

# Celebrate!