安装homebrew

1.执行以下脚本进行安装
ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”

2.如果安装失败, 执行以下脚本卸载

/usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)”

执行以下

sudo rm -rf /usr/local/.git rm -rf Library .git .gitignore bin/brew README.md share/man/man1/brew rm -rf ~/Library/Caches/Homebrew

3.成功后, 再次执行下载脚本

ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”

下载成功!!