#!/bin/sh
# This script is used as a single command to run the x-plugins tests.
#
# It will attempt to check out 'elasticsearch' into a sibling directory
# unless the environment variable `USE_EXISTING_ES` has a value
#
# It will also attempt to install the appropriate version of node.js
# for the Kibana plugin tests using nvm, unless
# `xpack.kibana.build=false` is defined in
# ~/.gradle/gradle.properties. Set a custom nvm directory using the
# `NVM_DIR` environment variable.
#

# Turn on semi-strict mode
set -e pipefail

SCRIPT="$0"

# SCRIPT may be an arbitrarily deep series of symlinks. Loop until we have the concrete path.
while [ -h "$SCRIPT" ] ; do
  ls=`ls -ld "$SCRIPT"`
  # Drop everything prior to ->
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    SCRIPT="$link"
  else
    SCRIPT=`dirname "$SCRIPT"`/"$link"
  fi
done

# determine base directory
BASE_DIR=`dirname "$SCRIPT"`/..

# make BASE_DIR absolute
BASE_DIR=`cd "$BASE_DIR"; pwd`

PARENT_DIR=`cd "$BASE_DIR"/..; pwd`

# go to the parent directory
cd $PARENT_DIR

if [ -z ${USE_EXISTING_ES:+x} ]; then
    if [ -d "./elasticsearch" ]; then
        echo "I expected a clean workspace but an 'elasticsearch' sibling directory already exists in [$PARENT_DIR]!"
        echo
        echo "Either define 'USE_EXISTING_ES' or remove the existing 'elasticsearch' sibling."
        exit 1
    fi
    echo "Checking out Elasticsearch 'master' branch..."
    git clone https://github.com/elastic/elasticsearch.git --depth=1
else
    if [ -d "./elasticsearch" ]; then
        echo "Using existing 'elasticsearch' checkout"
    else
        echo "You have defined 'USE_EXISTING_ES' but no existing Elasticsearch directory exists!"
        exit 2
    fi
fi

# back to base directory
cd "$BASE_DIR"

if ! grep -q -e '^xpack\.kibana\.build=false$' ~/.gradle/gradle.properties
then
  # install the correct node.js version
  if [ -z ${NVM_DIR:+x} ]; then
    export NVM_DIR="/var/lib/jenkins/.nvm";
  fi

  NVM_SCRIPT="$NVM_DIR/nvm.sh"
  if [ -s "$NVM_SCRIPT" ]; then
    . "$NVM_SCRIPT"  # load nvm
  else
    echo "Unable to find the nvm script at \"$NVM_SCRIPT\""
    exit 1
  fi

  echo "Installing node.js version $(cat ./kibana/.node-version)..."
  nvm install "$(cat ./kibana/.node-version)"
fi

echo "Running X-Plugins tests..."
echo "Running in $PWD"

# output the commands
set -xuf

# clean
gradle --stacktrace clean

# Actually run the tests
gradle --info check -Dtests.network=true -Dtests.badapples=true

# ~*~ shell-script-mode ~*~