MacOS升级后出现xcrun: error: invalid active developer path, missing xcrun
1、重新安装xcode
xcode-select --install
2、安装svn
brew install svn
参考：
https://www.jianshu.com/p/50b6771eb853
https://blog.csdn.net/javaee_gao/article/details/105360416
MacOS IDEA报 svn: error
MacOS IDEA 报 svn: error: The subversion command line tools are no longer provided by Xcode
MacOS升级后出现xcrun: error: invalid active developer path, missing xcrun
MacOS升级后出现xcrun: error: invalid active developer path, missing xcrun