subversion 修改 log

[roc@chowroc trunk]$ svnadmin setlog /mnt/file/data/ea/ -r 25 ~/tmp
svn: Repository has not been enabled to accept revision propchanges;
ask the administrator to create a pre-revprop-change hook
[roc@chowroc trunk]$ svnadmin setlog /mnt/file/data/ea/ -r 25 ~/tmp --bypass-hooks