I am on a computer at work that has been used by somebody else for the past 4 years. I have no idea how often updated brew. The computer is mostly used for running C jobs.I didbrew updateand the following came outerror: unable to unlink old '.travis.yml' (Permission denied)error: unable to unlink old 'CONTRIBUTING.md' (Permission denied)error: unable to unlink old 'README.md' (Permission denied)error: unable to unlink old 'SUPPORTERS.md' (Permission denied)Error: Failure while executing: git pull --ff --no-rebase --quiet origin refs/heads/master:refs/remotes/origin/masterWhat should I do?
brew update: failure while executing: git pull --ff --no-rebase --quiet origin
homebrew
You could run brew doctor, but it probably would be better to uninstall and reinstall it.