Johannes/GitHub workflow cleanup #2

	name: Check codegen and formatting

	#on: [push, pull_request]
	#on: [pull_request]
	on:
	# Trigger the workflow on push to master (ignoring .md only changes)
	push:
	branches:
	- master
	paths-ignore:
	- '**.md'

	# Trigger the workflow on any pull_request (ignoring .md only changes)
	pull_request:
	paths-ignore:
	- '**.md'

	# Enable manual triggering (important for contributors to enable a check on their fork)
	workflow_dispatch:

	# If a build is running in the current branch, and the branch is updated, we cancel the previous build and start
	# a new one with the updated changes.
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	# Run checkstyle validations for pipeline
	checkstyle_check:
	name: Validate checkstyle
	runs-on: ubuntu-latest
	steps:
	- name: Checkout latest code
	uses: actions/checkout@v4.1.7
	with:
	fetch-depth: "0"
	- name: Set up JDK 11
	uses: actions/setup-java@v4
	with:
	java-version: '11'
	distribution: 'zulu'
	- name: Validate Project Checkstyle
	run: ./mvnw -B checkstyle:check

	spotless_check:
	name: Validate code generation and formatting
	runs-on: ubuntu-latest
	steps:
	- name: Checkout latest code
	uses: actions/checkout@v4.1.7
	with:
	fetch-depth: "0"
	- name: Set up JDK 11
	uses: actions/setup-java@v4
	with:
	java-version: '11'
	distribution: 'zulu'
	- name: Generate code and format
	run: \|
	./run_core_metamodel_generator.sh
	# ./run_core_generators.sh automatically runs ./mvnw spotless:apply
	./run_core_generators.sh
	git diff --exit-code

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