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#revision_slug

If the specified revision isn't an integer ("HEAD" for example), look
up the revision id by asking the server
If the specified revision is an integer, trust it.

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-revision_slug-for-pr

# Commit to git

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

# 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-revision_slug-for-pr

hub pull-request

# Celebrate!