new build system for jruby9k

.travis.yml

@@ -2,9 +2,20 @@
 sudo: false
 language: ruby
 cache: bundler
+env:
 rvm:
-- jruby-1.7.25
-script:
-- bundle exec rspec spec
+  - jruby-1.7.25
+matrix:
+  include:
+    - rvm: jruby-1.7.25
+      env: LOGSTASH_BRANCH=master
+    - rvm: jruby-1.7.25
+      env: LOGSTASH_BRANCH=5.x
+    - rvm: jruby-9.1.9.0
+      env: LOGSTASH_BRANCH=feature/9000
+  allow_failures:
+    - rvm: jruby-9.1.9.0
+  fast_finish: true
+install: true
+script: ci/build.sh
 jdk: oraclejdk8
-before_install: []

Gemfile

@@ -1,4 +1,10 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in logstash-mass_effect.gemspec
 gemspec
+
+logstash_path = "../../logstash"
+
+if Dir.exist?(logstash_path) && ENV["LOGSTASH_SOURCE"] == 1
+  gem 'logstash-core', :path => "#{logstash_path}/logstash-core"
+  gem 'logstash-core-plugin-api', :path => "#{logstash_path}/logstash-core-plugin-api"
+end

ci/build.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# version: 1
+########################################################
+#
+# AUTOMATICALLY GENERATED! DO NOT EDIT
+#
+########################################################
+set -e
+
+echo "Starting build process in: `pwd`"
+./ci/setup.sh
+
+if [[ -f "ci/run.sh" ]]; then
+    echo "Running custom build script in: `pwd`/ci/run.sh"
+    ./ci/run.sh
+else
+    echo "Running default build scripts in: `pwd`/ci/build.sh"
+    bundle install
+    bundle exec rake vendor
+    bundle exec rspec spec
+fi

ci/setup.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+# version: 1
+########################################################
+#
+# AUTOMATICALLY GENERATED! DO NOT EDIT
+#
+########################################################
+set -e
+if [ "$LOGSTASH_BRANCH" ]; then
+    echo "Building plugin using Logstash source"
+    BASE_DIR=`pwd`
+    echo "Checking out branch: $LOGSTASH_BRANCH"
+    git clone -b $LOGSTASH_BRANCH https://github.com/elastic/logstash.git ../../logstash --depth 1
+    printf "Checked out Logstash revision: %s\n" "$(git -C ../../logstash rev-parse HEAD)"
+    cd ../../logstash
+    echo "Building plugins with Logstash version:"
+    cat versions.yml
+    echo "---"
+    # We need to build the jars for that specific version
+    echo "Running gradle assemble in: `pwd`"
+    ./gradlew assemble
+    cd $BASE_DIR
+    export LOGSTASH_SOURCE=1
+else
+    echo "Building plugin using released gems on rubygems"
+fi