#!/bin/bash

set -eux
set -o pipefail

function usage {
    echo "Usage: $(basename $0) <plugin-version>"
}

if [[ $# -ne 1 ]]; then
    usage
    exit 1
fi

PLUGIN_VERSION=${1}
case "${PLUGIN_VERSION}" in
    "1.2.1")
        OOZIE_VERSION="4.0.1"
        PREV_OOZIE_HADOOP_VERSION="1.1.1"
        HADOOP_VERSION="1.2.1"
        BUILD_ARGS=""
    ;;
    "2.6.0")
        OOZIE_VERSION="4.0.1"
        PREV_OOZIE_HADOOP_VERSION="2.3.0"
        HADOOP_VERSION="2.6.0"
        BUILD_ARGS="-P hadoop-2"
    ;;
    "2.7.1")
        OOZIE_VERSION="4.2.0"
        PREV_OOZIE_HADOOP_VERSION="2.3.0"
        HADOOP_VERSION="2.7.1"
        BUILD_ARGS="-Puber -P hadoop-2"
    ;;
esac

echo "Install required packages"
sudo apt-get purge -y maven2 maven
sudo apt-get install -y maven openjdk-7-jdk wget
mvn --version

echo "Download and unpack Oozie"
wget http://archive.apache.org/dist/oozie/${OOZIE_VERSION}/oozie-${OOZIE_VERSION}.tar.gz
tar xzf oozie-${OOZIE_VERSION}.tar.gz

echo "Build Oozie"
pushd oozie-${OOZIE_VERSION}
find . -name pom.xml | xargs sed -ri "s/${PREV_OOZIE_HADOOP_VERSION}/${HADOOP_VERSION}/g"
./bin/mkdistro.sh assembly:single ${BUILD_ARGS} -DjavaVersion=1.7 -DtargetJavaVersion=1.7 -DskipTests
mkdir -p ./../dist/oozie/
mv distro/target/oozie-${OOZIE_VERSION}-distro.tar.gz ./../dist/oozie/oozie-${OOZIE_VERSION}-hadoop-${HADOOP_VERSION}.tar.gz
popd
rm -rf oozie-${OOZIE_VERSION}/ oozie-${OOZIE_VERSION}.tar.gz