vagrant

https://github.com/mitchellh/vagrant

Ruby

Vagrant is a tool for building and distributing development environments.

Vagrant::Config::V2::Root#finalize!

Called to finalize this object just prior to it being used by
the Vagrant system. The "!" signifies that this is expected to
mutate itself.

Source | Google | Stack overflow

Edit

git clone [email protected]:mitchellh/vagrant.git
cd vagrant
open lib/vagrant/config/v2/root.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Vagrant--Config--V2--Root-finalize--for-pr

# Commit to git
git add lib/vagrant/config/v2/root.rbgit commit -m "better docs for Vagrant::Config::V2::Root#finalize!"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Vagrant--Config--V2--Root-finalize--for-pr
hub pull-request

# Celebrate!