我用的是 cleanMyMac2 删除的 xcode ,然后,,,然后 git 命令行就用不了了
QuinnChens-MacBook-Pro:gitknife Quinn$ git status
xcrun: error: active developer path ("/Developer/Xcode.app/Contents/Developer") does not exist, use `xcode-select --switch path/to/Xcode.app` to specify the Xcode that you wish to use for command line developer tools (or see `man xcode-select`)