#!/bin/sh# Configure your favorite diff program here.DIFF="/etc/alternatives/vimdiff"# Subversion provides the paths we need as the sixth and seventh # parameters.LEFT=${6}RIGHT=${7}# Call the diff command (change the following line to make sense for# your merge program).$DIFF $RIGHT $LEFT # Return an errorcode of 0 if no differences were detected, 1 if some were.# Any other errorcode will be treated as fatal.