chef

https://github.com/opscode/chef

Ruby

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

Chef::Resource::Template#helper_modules

Compiles all helpers from inline method definitions, inline module
definitions, and external modules into an Array of Modules. The context
object for the template is extended with these modules to provide
per-resource template logic.

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/resource/template.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Resource--Template-helper_modules-for-pr

# Commit to git

git add lib/chef/resource/template.rbgit commit -m "better docs for Chef::Resource::Template#helper_modules"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Chef--Resource--Template-helper_modules-for-pr

hub pull-request

# Celebrate!