安装home-brew
官方给出安装方式
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
国内镜像安装
1.将安装brew的文件下载到本地
cd ~ && curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install >> brew_install
2.修改安装文件内的镜像源（BREW_REPO和CORE_TAP_REPO）
#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby
# This script installs to /usr/local only. To install elsewhere you can just
# untar https://github.com/Homebrew/brew/tarball/master anywhere you like or
# change the value of HOMEBREW_PREFIX.
HOMEBREW_PREFIX = "/usr/local".freeze
HOMEBREW_REPOSITORY = "/usr/local/Homebrew".freeze
HOMEBREW_CACHE = "#{ENV["HOME"]}/Library/Caches/Homebrew".freeze
HOMEBREW_OLD_CACHE = "/Library/Caches/Homebrew".freeze
#BREW_REPO = "https://github.com/Homebrew/brew".freeze
BREW_REPO = "git://mirrors.ustc.edu.cn/brew.git".freeze
#CORE_TAP_REPO = "https://github.com/Homebrew/homebrew-core".freeze
CORE_TAP_REPO = "git://mirrors.ustc.edu.cn/homebrew-core.git".freeze
3.执行安装
/usr/bin/ruby ~/brew_install
4.添加执行路径
sudo vim /etc/profile
添加/etc/local/bin到PATH
source /etc/profile
5.验证是否安装成功
brew doctor
如果未提示command not found，则表示安装成功
可以通过brew安装python3
brew install python3
可以通过brew安装cocoapods
sudo gem install cocoapods
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