On Thursday, 18 February 2016 at 23:28:43 UTC, Joel wrote:
On Thursday, 18 February 2016 at 16:33:51 UTC, John Colvin wrote:[...]I don't think I put 'sudo brew' at any point (I can't remember). I hope I haven't broken my OSX![...]
Did you recently upgrade OS X? Anyway, you should probably work through the suggestions from brew doctor, then brew update, then brew upgrade.