Mac电脑 - 解决 brew install 报错Error: /usr/local/Homebrew is not writable. 的问题

brew install autojump
Error: /usr/local/Homebrew is not writable. You should change the
ownership and permissions of /usr/local/Homebrew back to your
user account:
sudo chown -R $(whoami) /usr/local/Homebrew
Error: The following directories are not writable by your user:
/usr/local/Homebrew

You should change the ownership of these directories to your user.
sudo chown -R $(whoami) /usr/local/Homebrew

And make sure that your user has write permission.
chmod u+w /usr/local/Homebrew

sudo chown -R $(whoami) /usr/local/Homebrew chmod u+w /usr/local/Homebrew