#! /bin/sh

if [ -z "$1" ]; then
   echo "Usage: $0 svn_url" >&2
   exit 1
fi

url="$1"

svn log -q "$url" |
   awk -F '|' '/^r/ {sub("^ ", "", $2); sub(" $", "", $2); print $2" = "$2" <"$2">"}' |
   sort -u >>authors.txt

#svn log --xml "$url" | grep -F author | sort -u |
#   sed 's/^<[^>]\+>\(.\+\)<.\+>$/\1 = /' >>authors.txt

#svn log --xml "$url" | grep author | sort -u |
#   perl -pe 's/.>(.?)<./$1 = /' >>authors.txt