#!/bin/bash

set -x

set -e

# This shell script is used both to create the docker image and as the entrypoint for the docker image.

# The current working directory, WORKDIR in the Dockerfile, should be set before theis assumed to be the same when the docker image is created and when

# the entry point is executed.

# openjdk is the latest tested but I think oracle will work as well

#java=oracle

# for openjdk the jdk will be installed to compile the play program and create the package

# then the jdk will be uninstalled and the jre installed for use to run the program

java=openjdk

# if no parameters this is the default entry point. The dist command (see below)

# put the name of the play executable into playexe

if [[ $# == 0 ]]; then

x=$( cat playexe )

exec ./$x

fi

# the entry point can be -- whatever to debug. Try: -- bash

if [ "$1" == "--" ]; then

echo $*

shift

exec "$*"

fi

# install all the pre-requisites to run a play program, git the play program,

# dist the play program and unzip the results so it is ready to run.

# then clean up everything else.

cleanup="false"

if [ "$1" == "dist" ]; then

cleanup="true"

fi

apt-get update -qq

apt-get --no-install-recommends install -qq git wget unzip > /dev/null

# set up the temp dir to be deleted during clean up

tmpDir=/tmp/tmp

mkdir $tmpDir

pushd $tmpDir

# Install play

wget -nv http://downloads.typesafe.com/typesafe-activator/$ACTIVATOR_VERSION/typesafe-activator-$ACTIVATOR_VERSION.zip

unzip typesafe-activator-$ACTIVATOR_VERSION.zip

activatorBin=$tmpDir/activator-$ACTIVATOR_VERSION/activator

case $java in

oracle)

# Install Java and dependencies

echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections

add-apt-repository -y ppa:webupd8team/java

apt-get --no-install-recommends install -qq oracle-java8-installer > /dev/null

;;

openjdk)

apt-get --no-install-recommends install -qq openjdk-7-jdk > /dev/null

;;

esac

# git the code and cd into the play directory

playDir="playprojectdir"

git clone $PLAY_REPOSITORY $playDir

cd $playDir

# tell activator to store ivy and sbt caches in the tmpDir

export _JAVA_OPTIONS=-Duser.home=$tmpDir

# build the tar ball

$activatorBin universal:packageZipTarball

# the distribution was all done in tmp/tmp get the names, come home, and finish up...

# The output of activator are some funny escaped character sequences so after getting to the last word

# strip off the first and last 4 characters

x=$( $activatorBin universal:normalizedName )

normalizedName=${x##* }

normalizedName=${normalizedName:4:-4}

x=$( $activatorBin universal:name )

name=${x##* }

name=${name:4:-4}

popd

tar xvf $tmpDir/$playDir/target/universal/$name.tgz

echo $name/bin/$normalizedName > playexe

if [ $cleanup == "true" ]; then

apt-get remove --purge --auto-remove -qq git wget unzip

case $java in

openjdk)

apt-get remove --purge --auto-remove -qq openjdk-7-jdk

apt-get install -qq openjdk-7-jre-headless > /dev/null

;;

oracle)

rm -rf /var/cache/oracle-jdk8-installer

;;

esac

rm -rf $tmpDir

rm -rf /var/lib/apt/lists/*

fi