PR yamllint check #3

	# yamllint disable rule:line-length rule:document-start rule:truthy
	name: PR yamllint check
	on: pull_request

	# This action only need a single permission in order to autoformat the code.
	permissions:
	contents: read
	pull-requests: write

	jobs:
	rebase:
	name: yamllint check
	runs-on: ubuntu-latest

	steps:
	- name: 'Checkout'
	uses: actions/checkout@v3
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	fetch-depth: 0 # otherwise, you will fail to push refs to dest repo

	- name: Install yamllint
	run: pip install yamllint

	- name: Lint YAML pipeline files
	id: lint-pipeline
	working-directory: ./eng/pipelines
	run: \|
	RESULT=$(yamllint ./eng/pipelines --f github)
	if [ -n "$RESULT" ]; then
	echo "YAML Lint found issues"
	echo "$RESULT"
	echo "::set-output name=result::$RESULT"
	exit 1
	fi

	# only post a comment if the linting fails
	- name: Post comment
	uses: unsplash/comment-on-pr@v1.3.0
	if: failure()
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	msg: \|
	[yaml-lint] YamlLint found issues in the pipeline files.
	${{ steps.lint-pipeline.outputs.result }}
	check_for_duplicate_msg: true
	delete_prev_regex_msg: "YamlLint found issues in the pipeline files."
	duplicate_msg_pattern: "YamlLint found issues in the pipeline files."

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