UniParc light and cross reference #542

	name: Code Format on push master and pull request using spotless

	on:
	pull_request:
	push:
	branches:
	- master

	jobs:
	formatting:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	ref: ${{ github.head_ref }}
	- name: Set up JDK 11
	uses: actions/setup-java@v1
	with:
	java-version: 11

	- name: Format code with Maven plugin
	run: mvn -P format compile

	- name: Check for modified files
	id: git-check
	run: echo ::set-output name=modified::$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi)

	- name: Push changes
	if: steps.git-check.outputs.modified == 'true'
	run: \|
	git config --global user.name 'automated changes'
	git config --global user.email '[email protected]'
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
	git commit -am "code format with spotless automatic"
	git push

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