Avoiding printing the weird message e.g:
```
It was migrated from homebrew/science to homebrew/core.
You can access it again by running:
brew tap homebrew/core
```
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.