解决办法：
shell中svn命令之前添加：
#!/bin/bash export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 export LANGUAGE=en_US.UTF-8 cd /tmp/test/html && svn up
参考资料：
http://www.111cn.net/sys/linux/60107.htm
http://blog.csdn.net/dazhi_100/article/details/17148987
http://sunjun041640.blog.163.com/blog/static/256268322013102285954951/
【Linux】shell中svn报错：svn: Can't convert string from 'UTF-8' to native encoding:xxx
原文：http://www.cnblogs.com/junneyang/p/5291478.html