#!/bin/sh
# svnexport.sh
# Export only modified files in SVN

# tests for parameters
if [ ! $1 ];then echo "svnexport : No source specified.";exit;fi
if [ ! $2 ];then echo "svnexport : No revision specified. ";exit;fi
if [ ! $3 ];then echo "svnexport : No target directory specified. ";exit;fi

echo "Processing : source($1), revision($2), target_directory($3)"

for myfile in `svn diff -c $2 --summarize $1 | grep -e '^M ' -e '^A '`
do
    if  [  "$myfile" = "M"  -o  "$myfile" = "AM" -o "$myfile" = "A" -o "$myfile" = "." -o -d $myfile ]
    then
        continue
    else
        outfile=`echo $myfile | sed "s|$1||g"`
        file="$3$outfile"
        mkdir -p $(dirname $file)
        svn export --force $myfile $file -r $2 >> /dev/null
        echo "export $file "
    fi
done


echo "\nDone"