add branches wildcard to trigger commits but not tags for mvn.yml #152

	name: MVN Build

	# The release script pushes tags and commits to the repository. Without tags-ignore, this would cause two builds to run.
	on: { push: { branches: [""], tags-ignore: [""] } }

	jobs:
	build:
	name: Java ${{ matrix.java }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: true
	matrix:
	java: [8, 16] # Define matrix for Java versions

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Install socat tool
	run: \|
	sudo apt-get update
	sudo apt-get install socat
	- name: Cache Docker layers
	uses: actions/cache@v4
	with:
	path: ./parsec-docker-test-image/parsec_docker_cache
	key: ${{ runner.os }}-parsec_docker_cache-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-parsec_docker_cache-

	# Use the matrix variable to set up the correct JDK
	- name: Set up JDK ${{ matrix.java }}
	uses: actions/setup-java@v4
	with:
	java-version: ${{ matrix.java }}
	distribution: "zulu"
	architecture: x64
	cache: maven

	# Run tests only for Java 8
	- name: Maven build with Java 8 - includes tests
	if: matrix.java == '8'
	run: ./mvnw --batch-mode clean verify

	# Skip tests for Java 16
	- name: Maven build with Java 16 - skips tests
	if: matrix.java == '16'
	run: ./mvnw --batch-mode clean verify -DskipTests=true # still needs work to get tests running on java 16

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