맥OS에서 svn: error: The subversion command line tools are no longer provided by Xcode. 발생시

터미널에서 $ sudo xcode-select --install 실행하고

만약 

xcode-select: error: command line tools are already installed, use "Software Update" to install updates

발생한다면

$ sudo rm -rf /Library/Developer/CommandLineTools 실행 후

$ sudo xcode-select --install 실행하면 된다.