initial config_parser, using angstrom. partially hooked to the unikernel #9

	name: ocamlformat

	on: [pull_request]

	jobs:
	format:
	name: ocamlformat

	strategy:
	fail-fast: false
	matrix:
	ocaml-version: ["4.14.2"]
	operating-system: [ubuntu-latest]

	runs-on: ${{ matrix.operating-system }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	ref: ${{ github.event.pull_request.head.ref }}

	- name: Use OCaml ${{ matrix.ocaml-version }}
	uses: ocaml/setup-ocaml@v2
	with:
	ocaml-compiler: ${{ matrix.ocaml-version }}

	- name: Install ocamlformat
	run: grep version .ocamlformat \| cut -d '=' -f 2 \| xargs -I V opam install ocamlformat=V

	- name: Format code
	run: \|
	git ls-files '.ml' '.mli' \| xargs opam exec -- ocamlformat --inplace

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

	- name: Commit and push changes
	if: steps.git-check.outputs.modified == 'true'
	run: \|
	git config --global user.name "Automated ocamlformat GitHub action, developed by robur.coop"
	git config --global user.email "[email protected]"
	git add -A
	git commit -m "formatted code"
	git push

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