Backup svn

see Google's Answer for more

To Setup

$ svnadmin create <backup_path>
$ cd <backup_path>
$ echo -e "#\0041/bin/bash\nexit 0" > hooks/pre-revprop-change
$ chmod +x hooks/pre-revprop-change
$ svnsync init --username attie file://`pwd` http://<live_svn_path>
Copied properties for revision 0.

To Sync

$ svnsync sync --username attie file://<full_backup_path>