svnadmin dump /var/lib/svn/myrep -r 0:95 --incremental >/tmp/svn.dump mv /var/lib/svn/myrep /var/lib/svn/myrep-BACKUP-$(date +%s) svnadmin create /var/lib/svn/myrep svnadmin load /var/lib/svn/myrep </tmp/svn.dump
