http://www.fulingjiang.cn/linux/62.html

For CentOS7 Users: 

1. [WandiscoSVN]  
2. name=Wandisco SVN Repo  
3. baseurl=http://opensource.wandisco.com/centos/5/svn-1.8/RPMS/$basearch/  
4. enabled=1  
5. gpgcheck=0 
6. yum clean all  
7.  yum install subversion
8. svn --version

用一个例子来演示会更加清晰