Merge pull request #203 from wenki96/main #201

	name: ci

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	env:
	MAVEN_CUSTOM_OPTS: "-Xmx4g -XX:+ExitOnOutOfMemoryError"
	RETRY: .github/bin/retry

	concurrency:
	# main branch should complete running
	group: ${{ github.ref == 'refs/heads/main' && format('ci-master-{0}', github.sha) \|\| format('ci-{0}', github.ref) }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	timeout-minutes: 200
	steps:
	- name: Free Disk Space
	run: \|
	df -h
	sudo apt-get clean
	df -h
	- uses: actions/checkout@v2
	with:
	submodules: 'true'
	- uses: actions/setup-java@v1
	with:
	java-version: 8
	- name: Cache local Maven repository
	id: cache-maven
	uses: actions/cache@v2
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-2-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-2-
	- name: Populate maven cache
	if: steps.cache-maven.outputs.cache-hit != 'true'
	run: ./mvnw de.qaware.maven:go-offline-maven-plugin:resolve-dependencies
	- name: Maven Build
	run: \|
	export MAVEN_OPTS="${MAVEN_CUSTOM_OPTS}"
	./mvnw -T 1C clean package install -DskipTests -Dcheckstyle.skip=true -Dmaven.javadoc.skip=true

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