chef

https://github.com/opscode/chef

Ruby

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

Chef::DSL::DeclareResource#with_run_context

Helper for switching run_contexts.  Allows for using :parent or :root in place of
passing the run_context.  Executes the block in the run_context.  Returns the return
value of the passed block.

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/dsl/declare_resource.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--DSL--DeclareResource-with_run_context-for-pr

# Commit to git

git add lib/chef/dsl/declare_resource.rbgit commit -m "better docs for Chef::DSL::DeclareResource#with_run_context"

# 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--DSL--DeclareResource-with_run_context-for-pr

hub pull-request

# Celebrate!