[1.21.3] Fix for data map serialization #1336

	name: Check PR local changes

	on:
	pull_request:
	types:
	- synchronize
	- opened
	- ready_for_review
	- reopened

	jobs:
	check-local-changes:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 1000
	fetch-tags: true

	# GradleUtils will append the branch name to the version,
	# but for that we need a properly checked out branch
	- name: Create branch for commit
	run:
	git switch -C pr-${{ github.event.pull_request.number }}-${{ github.event.pull_request.head.ref }}

	- name: Setup JDK 21
	uses: neoforged/actions/setup-java@main
	with:
	java-version: 21

	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@v4
	with:
	cache-read-only: false

	- name: Setup with Gradle
	run: ./gradlew :neoforge:setup

	- name: Gen package infos
	run: ./gradlew generatePackageInfos

	- name: Gen patches
	run: ./gradlew :neoforge:unpackSourcePatches

	- name: Run datagen with Gradle
	run: ./gradlew :neoforge:runData :tests:runData

	- name: Check no local changes are present
	run: \|
	# Print status for easier debugging
	git status
	if [ -n "$(git status --porcelain)" ]; then exit 1; fi

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