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::Subversion#authentication

If a username is configured for the SCM, return the command-line
switches for that. Note that we don't need to return the password
switch, since Capistrano will check for that prompt in the output
and will respond appropriately.

Source | Google | Stack overflow

Edit

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

cd chef

open lib/chef/provider/subversion.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--Provider--Subversion-authentication-for-pr

# Commit to git

git add lib/chef/provider/subversion.rbgit commit -m "better docs for Chef::Provider::Subversion#authentication"

# 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--Subversion-authentication-for-pr

hub pull-request

# Celebrate!