compile

#!/usr/bin/env bash
# bin/compile <build-dir> <cache-dir>

# Parse args
BUILD_DIR=$1
CACHE_DIR=$2

BIN_DIR=$(cd $(dirname $0); pwd) # absolute path

# source in common functions
. $BIN_DIR/common.sh

silent --location http://heroku-jvm-common.s3.amazonaws.com/jvm-buildpack-common.tar.gz | tar xz
. bin/java

if [ -f ${CACHE_DIR}/system.properties ] && [ ! -f ${BUILD_DIR}/system.properties ]; then
  cp ${CACHE_DIR}/system.properties ${BUILD_DIR}/system.properties
fi

if [ ! -d $CACHE_DIR ] && [ ! -f ${BUILD_DIR}/system.properties ]; then 
  echo "java.runtime.version=1.6" > ${BUILD_DIR}/system.properties; 
fi

#create the cache dir if it doesn't exist
mkdir -p $CACHE_DIR

# install JDK 
if [ -f ${BUILD_DIR}/system.properties ]; then
  logger -p user.notice -t "slugc[$$]" "language_pack_java download_jdk"
  LOGGER_FLAGS="$LOGGER_FLAGS download_jdk"
  javaVersion=$(detect_java_version ${BUILD_DIR})
  echo -n "-----> Installing OpenJDK ${javaVersion}..."
  install_java ${BUILD_DIR} ${javaVersion}
  echo "done"
  cp ${BUILD_DIR}/system.properties ${CACHE_DIR}/
fi

PLAY_PATH=".play"
IVY_PATH=".ivy2"

# Change dir to handle relative paths
cd $BUILD_DIR

# Unpack cache
for DIR in $PLAY_PATH $IVY_PATH ; do
  rm -rf $DIR
  if [ -d $CACHE_DIR/$DIR ]; then
    cp -r $CACHE_DIR/$DIR $DIR
  fi
done

PLAY_VERSION=$(get_play_version conf/dependencies.yml)
DEFAULT_PLAY_VERSION="1.2.4"
VERSION_DECLARED=true

if [ -z "$PLAY_VERSION" ] ; then
  PLAY_VERSION=$DEFAULT_PLAY_VERSION
  VERSION_DECLARED=false
  echo "-----> WARNING: Play! version not specified in dependencies.yml. Default version: $PLAY_VERSION being used...."
fi

# Install Play! or update the version
if [ ! -f $PLAY_PATH/play ]; then
  install_play $PLAY_VERSION
else
  INSTALLED_PLAY_VERSION=`cat $PLAY_PATH/framework/src/play/version`
  if [ "$INSTALLED_PLAY_VERSION" != "$PLAY_VERSION" ] && $VERSION_DECLARED ; then
    echo "-----> Updating Play! version. Previous version was $INSTALLED_PLAY_VERSION. Updating to $PLAY_VERSION..."
    rm -rf $PLAY_PATH
    install_play $PLAY_VERSION
  fi
fi

PLAY_SETTINGS_URL="http://s3.amazonaws.com/heroku-jvm-langpack-play/ivysettings.xml"

echo -n "-----> Installing ivysettings.xml....."
if [ -f .ivy2/ivysettings.xml ]; then
  rm .ivy2/ivysettings.xml 
fi
curl --silent --max-time 10 --location $PLAY_SETTINGS_URL --create-dirs --output .ivy2/ivysettings.xml
echo " done"

# Build app
echo "-----> Building Play! application..."
$PLAY_PATH/play version | sed -u 's/^/       /'

# Precompile the Play! application at the root of $BUILD_DIR
APP_DIR=./
echo "       Building Play! application at directory $APP_DIR"

DEPENDENCIES_CMD="$PLAY_PATH/play dependencies $APP_DIR --forProd --forceCopy --silent -Duser.home=$BUILD_DIR 2>&1"
echo "       Resolving dependencies: $DEPENDENCIES_CMD"
eval "$DEPENDENCIES_CMD" | sed -u 's/^/       /'
check_compile_status

PRECOMPILE_CMD="$PLAY_PATH/play precompile $APP_DIR --silent 2>&1"
echo "       Precompiling: $PRECOMPILE_CMD" 
eval "$PRECOMPILE_CMD" | sed -u 's/^/       /'
check_compile_status

# Repack Play! framework into cache
mkdir -p $CACHE_DIR
for DIR in $PLAY_PATH $IVY_PATH ; do
  rm -rf $CACHE_DIR/$DIR
  cp -r $DIR $CACHE_DIR/$DIR
done

# Remove build time dependencies from slug
# (Note: runtime modules are copied to slug with --forceCopy option)
rm -fr $PLAY_PATH/modules
rm -fr $IVY_PATH

# Warn if no Procfile is present
if [ ! -f Procfile ]; then
  echo "-----> No Procfile found. Will use the following default process: "
  echo "       play run --http.port=\$PORT \$PLAY_OPTS"
fi