- Rather than checking for the absence of a failure check for an actual success in the check
- Fix the check to work on Ruby 1.9 (where `RUBY_VERSION.to_s.dup` is required to avoid modifying a frozen string).
This is the (partially) documented public API for Homebrew.
The main class you should look at is the {Formula} class (and classes linked from there). That's the class that's used to create Homebrew formulae (i.e. package descriptions). Assume anything else you stumble upon is private.
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