chef

https://github.com/opscode/chef

Ruby

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

Chef::Cookbook::Metadata#depends

Adds a dependency on another cookbook, with version checking strings.

=== Parameters
cookbook<String>:: The cookbook
version<String>:: A version constraint of the form "OP VERSION",
where OP is one of < <= = > >= ~> and VERSION has
the form x.y.z or x.y.

=== Returns
versions<Array>:: Returns the list of versions for the platform

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/cookbook/metadata.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Cookbook--Metadata-depends-for-pr

# Commit to git

git add lib/chef/cookbook/metadata.rbgit commit -m "better docs for Chef::Cookbook::Metadata#depends"

# 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--Cookbook--Metadata-depends-for-pr

hub pull-request

# Celebrate!