chef

https://github.com/opscode/chef

Ruby

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

Chef::Provider::AptRepository#extract_fingerprints_from_cmd

run the specified command and extract the fingerprints from the output
accepts a command so it can be used to extract both the current key's fingerprints
and the fingerprint of the new key

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/provider/apt_repository.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Provider--AptRepository-extract_fingerprints_from_cmd-for-pr

# Commit to git

git add lib/chef/provider/apt_repository.rbgit commit -m "better docs for Chef::Provider::AptRepository#extract_fingerprints_from_cmd"

# 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--Provider--AptRepository-extract_fingerprints_from_cmd-for-pr

hub pull-request

# Celebrate!