Homebrew's creator commented on this on Hacker News. Unfortunately I can't find it but the solution is basically that they will add ruby to their installation process. A homebrew forum leader addressed it here.
Actively maintained projects will be fine. The ones who aren't will break unless you install the runtime you want yourself.
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As long as homebrew works your scripts are fine, because you can do "brew install ruby" (or rbenv if you need more control).
yeah exactly my point, but homebrew itself is written in ruby
Homebrew's creator commented on this on Hacker News. Unfortunately I can't find it but the solution is basically that they will add ruby to their installation process. A homebrew forum leader addressed it here.
Actively maintained projects will be fine. The ones who aren't will break unless you install the runtime you want yourself.