chef

https://github.com/opscode/chef

Ruby

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

Chef::CookbookCollection#validate!

Validates that the cookbook metadata allows it to run on this instance.

Currently checks chef_version and ohai_version in the cookbook metadata
against the running Chef::VERSION and Ohai::VERSION.

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/cookbook/cookbook_collection.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--CookbookCollection-validate--for-pr

# Commit to git

git add lib/chef/cookbook/cookbook_collection.rbgit commit -m "better docs for Chef::CookbookCollection#validate!"

# 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--CookbookCollection-validate--for-pr

hub pull-request

# Celebrate!