#!/bin/bash

# changes
#
# Outputs the change history of a given file as a sequence of logentry/diff pairs.

default_limit=5

function changes() {
    url=$1 # url of file
    limit=$2 # limit the number of diffs
    svn log -q $url -l $limit | grep -E -e "^r[[:digit:]]+" -o | cut -c2- | sort -n -r | {

        while read r
        do
            echo
            svn log -r$r $url@HEAD
            svn diff -c$r $url@HEAD
            echo
        done
    }
}

changes $1 ${2:-$default_limit}