mac解决Can't use Subversion command line client

问题描述：

今天mac更新了系统发现没法用SVN更新代码了

Can't use Subversion command line client: svn The path to the Subversion executable is probably wrong.

解决方法：

终端执行xcode-select --install

假如提示已安装，就把/Library/Developer/CommandLineTools下的文件夹清空，重装