mac更新系统后Git不能用，提示missing xcrun at

今天更新了mac系统，而后就踩了这个坑。android 启动AndroidStudio 右上角提示：git can't start git: /usr/bin/git probably the path to git executable is not valid . `fix it`. 点击fix it后 点击最上边路径地址后边的test提示：web errors while executing

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