El Capitan just released. And surely we need to take care the upgrade for Homebrew. Check this out if you're not familiar with it.
Here's the upgrade steps:
- update xcode to 7.0.1
- install command line tool
- fix /usr/local permission
sudo chown $(whoami):admin /usr/local && sudo chown -R $(whoami):admin /usr/local
- run update & upgrades
brew update brew upgrade brew cask update brew doctor brew cleanup brew cask cleanup