[maven-release-plugin] prepare release 3.0-M3 #124

	name: 'build test deploy'

	on:
	push:
	branches: [ master ]

	jobs:
	build:
	runs-on: ubuntu-20.04
	name: JDK ${{ matrix.java }}
	strategy:
	matrix:
	java: [ 11, 17, 21 ]

	steps:
	- name: Checkout...
	uses: actions/checkout@v2

	- name: Set up JDK...
	uses: actions/setup-java@v1
	with:
	java-version: ${{ matrix.java }}

	- name: Retrieve mvn repo cache...
	uses: actions/cache@v2
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}-build-v3
	restore-keys: ${{ runner.os }}-maven-v2

	- name: Build and test...
	run: mvn clean verify -U

	deploy:
	needs: build
	runs-on: ubuntu-20.04

	steps:
	- name: Checkout...
	uses: actions/checkout@v2

	# this action exports env.POM_VERSION variable
	- name: Export Maven coordinates...
	uses: bootique-tools/export-maven-coordinates-action@v1

	- name: Set up JDK...
	uses: actions/setup-java@v1
	# skip this for the release versions
	if: contains(env.POM_VERSION, '-SNAPSHOT')
	with:
	java-version: 11

	- name: Retrieve mvn repo cache...
	uses: actions/cache@v2
	# skip this for the release versions
	if: contains(env.POM_VERSION, '-SNAPSHOT')
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}-build-v2
	restore-keys: ${{ runner.os }}-maven-v2

	- name: Deploy...
	run: mvn -U clean source:jar-no-fork javadoc:jar deploy -DskipTests --settings .github/workflows/maven_settings.xml
	# skip this for the release versions
	if: contains(env.POM_VERSION, '-SNAPSHOT')
	env:
	MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
	MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

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