Format CMake #10

	# ##############################################################################
	# OASIS: Open Algebra Software for Inferring Solutions
	#
	# format-cmake.yml
	# ##############################################################################

	name: Format CMake

	on:
	pull_request:
	branches: [ "master" ]
	workflow_dispatch:

	jobs:
	format:
	runs-on: ubuntu-latest

	steps:
	# Checks out the repository.
	- name: Checkout repository
	uses: actions/checkout@v4

	# Installs cmakelang.
	- name: Install cmakelang
	run: pip install cmakelang

	# Runs cmake-format on all CMakeLists.txt files.
	- name: Run cmake-format
	run: find . -name CMakeLists.txt -type f -execdir bash -c "cmake-format -i {}" \;

	# Checks for modified files.
	- name: Check for modified files
	id: check-file-modified
	shell: bash
	run: echo "files-modified=$(git diff --name-only \| wc -l)" >> "$GITHUB_OUTPUT"

	# Commits and pushes changes.
	- name: Commit and push
	if: \|
	github.event_name == 'workflow_dispatch' &&
	steps.check-file-modified.outputs.files-modified != 0
	run: \|
	git config user.name "github-actions"
	git config user.email "github-actions@github.com"
	git commit -am "[Actions] Format CMakeLists.txt"
	git push

	# Fails if the workflow hasn't been run in the contributor's fork.
	- name: Reject on edits
	if: \|
	github.event_name == 'pull_request' &&
	steps.check-file-modified.outputs.files-modified != 0
	uses: actions/github-script@v6
	with:
	script: core.setFailed('The workflow must be run on your fork before merging a PR.')

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