#!/bin/bash
release=$1
if [ "$release" = "" ]; then
  INDEX=`mktemp index_XXXX.html`
  echo Tempfile for index.html is $INDEX
  wget -O $INDEX http://releases.sapsailing.com/
  release=$(cat $INDEX | grep build- | tail -1 | sed -e 's/^.*\(build-[0-9]*\).*$/\1/')
  rm $INDEX
  echo Latest release is $release
fi
cat Dockerfile.tpl | sed -e "s/RELEASE/${release}/g" >Dockerfile
docker build -t sapsailing:$release .