Set External Diff of SVN as gvimdiff (ubuntu)

SVN Config:  /etc/subversion/config
  diff-cmd = /home/username/diffwrap.sh

diffwrap.sh (make sure it’s executable.)
#!/bin/sh

DIFF=“/usr/bin/gvimdiff”

LEFT=\({6} RIGHT=\){7}

$DIFF $LEFT $RIGHT

were.