Show daily diffstat summary in svn working copy

gistfile1.eclass

#!/bin/sh

from=$(date -d "${1:-today}" +%Y-%m-%d)
to=$(date -d "${2:-tomorrow}" +%Y-%m-%d)

d=$from

while true; do
  next=$(date -d "$d + 1day" +%Y-%m-%d)
  echo -n "$d:"
  svn diff -r "{$d}:{$next}" | diffstat -s -m
  d=$next
  test $d = $to && break
done