MAC系统homebrew执行brew update报错erro

MAC系统homebrew执行brew update报错error: homebrew-core is a shallow clone.

解决办法:

1. cd /usr/local/Homebrew/Library/Taps/homebrew

2. rm -rf homebrew-core

然后更新:

3. brew upgrade

升级指令:

brew update # 更新 Homebrew的信息
brew outdated # 看一下哪些软件可以升级
brew upgrade <xxx> # 如果不是所有的都要升级，那就这样升级指定的`
brew upgrade # 全部升级