403b0bf3f1
This updates the type signature for `#scan_repositories` to address a runtime type error and to reflect the actual return type. The logic in `#scan_repositories` to check for unsupported repositories leads to a type error, as `#ofail` has a void return type. To resolve this, I moved the repository verification code into `#run` (after `repos` is defined but before it's used) and used `#odie`, so the command will exit early with an error. While I was at it, I updated the type for the `repos` parameter to not be `nilable`, as it shouldn't be `nil` based on how we're handling `repos` in `#run`.
Library
This directory contains all the code run by the official brew command in Homebrew and all formulae (package descriptions) in taps (repositories containing formulae) in Taps subdirectories.