chef

https://github.com/opscode/chef

Ruby

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

Chef::CookbookVersion#preferred_manifest_record

Determine the most specific manifest record for the given
segment/filename, given information in the node. Throws
FileNotFound if there is no such segment and filename in the
manifest.

A manifest record is a Mash that follows the following form:
{
  :name => "example.rb",
  :path => "files/default/example.rb",
  :specificity => "default",
  :checksum => "1234"
}

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/cookbook_version.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--CookbookVersion-preferred_manifest_record-for-pr

# Commit to git

git add lib/chef/cookbook_version.rbgit commit -m "better docs for Chef::CookbookVersion#preferred_manifest_record"

# 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--CookbookVersion-preferred_manifest_record-for-pr

hub pull-request

# Celebrate!