Framework: Add warnings/errors policy #2316

	name: Check MPI_COMM_WORLD

	on:
	pull_request:

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Check out code
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
	with:
	fetch-depth: 0

	- name: Search for MPI_COMM_WORLD in modified lines
	run: \|
	python $GITHUB_WORKSPACE/commonTools/test/utilities/check-mpi-comm-world-usage.py \
	--base origin/${{ github.event.pull_request.base.ref }} \
	--head ${{ github.event.pull_request.head.sha }}

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