/usr/bin/svnchangesince is in kdesdk-scripts 4:17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63  | #!/bin/sh
#
# Written by Thiago Macieira <thiago@kde.org>
# This file is in the public domain.
#
# Shows the changes to the subversion repository since the local copy
# was last updated.
#
showdiff=false
showlog=true
while test $# -ge 1; do
  case "$1" in
    -d)
      showdiff=true
      shift
      ;;
      
    -D)
      showdiff=false
      shift
      ;;
      
    -l)
      showlog=true
      shift
      ;;
    
    -L)
      showlog=false
      shift
      ;;
      
    -h)
      cat <<EOF
svnchangesince - Shows the changes to the SVN repository since the last update
Usage:
  svnchangesince [-d|-D] [-l|-L] [-h] [filenames]
  
where:
  -d        include diffs in output
  -D        don't include diffs in output [default]
  -l        include logs in output [default]
  -L        don't include logs in output
  -h        show this help string
EOF
      exit 0
      ;;
      
    *)
      break
      ;;
  esac
done
if $showlog; then
  svn log -v -r HEAD:BASE "$@"
fi
if $showdiff; then
  svn diff -r BASE:HEAD "$@"
fi
 |