#!/bin/sh

FALLBACK=\"0.10-svn\"

if [[ $# -eq 0 ]]; then
  DIR=.
else
  DIR=$1
fi

if [[ -f version.h ]]; then
  REV_OLD=$(cat version.h  | cut -d" " -f3)
else
  REV_OLD=""
fi

if [[ -x "$(which svnversion 2>/dev/null)" && -d "${DIR}/.svn" ]] ; then
  REV=\"$(svnversion -n ${DIR})\"
else
  REV=${FALLBACK}
fi

if [[ ${REV_OLD} != ${REV} ]]; then
  echo "Building new version.h"
  echo "#define VERSION_STRING ${REV}" > version.h
fi