나는 brew를 루트로 실행합니다. 이제 소멸되었습니다. 더 이상 업데이트가 없습니다. 어떻게 고치는 지?
$ brew update && brew upgrade
error: Unable to append to .git/logs/HEAD: Permission denied
error: Unable to append to .git/logs/refs/remotes/origin/master: Permission denied
Error: Failed to update tap: caskroom/cask
$ brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry and just ignore them. Thanks!
Warning: Your XQuartz (2.7.4) is outdated
Please install XQuartz 2.7.7:
https://xquartz.macosforge.org
brew를 루트로 실행하면 문제가 발생합니다. 하지마!