Replace vcs-arg by a few helpers #147

	name: ci

	on:
	- pull_request
	- push

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	ocaml-compiler:
	- 5.2.x

	runs-on: ${{ matrix.os }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup OCaml
	uses: ocaml/setup-ocaml@v3
	with:
	ocaml-compiler: ${{ matrix.ocaml-compiler }}
	opam-repositories: \|
	default: https://github.com/ocaml/opam-repository.git
	mbarbin: https://github.com/mbarbin/opam-repository.git
	# janestreet-bleeding: https://github.com/janestreet/opam-repository.git
	# janestreet-bleeding-external: https://github.com/janestreet/opam-repository.git#external-packages

	- name: Install dependencies
	run: opam install . --deps-only --with-doc --with-test --with-dev-setup

	- name: Build
	run: opam exec -- dune build @all @lint

	- name: Run tests
	run: \|
	mkdir $BISECT_DIR
	opam exec -- dune runtest --instrument-with bisect_ppx
	env:
	BISECT_DIR: ${{ runner.temp }}/_bisect_ppx_data
	BISECT_FILE: ${{ runner.temp }}/_bisect_ppx_data/data

	- name: Send coverage report to Coveralls
	run: opam exec -- bisect-ppx-report send-to Coveralls --coverage-path $BISECT_DIR
	env:
	BISECT_DIR: ${{ runner.temp }}/_bisect_ppx_data
	COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	PULL_REQUEST_NUMBER: ${{ github.event.number }}

	- name: Check for uncommitted changes
	run: git diff --exit-code

	- name: Lint opam
	uses: ocaml/setup-ocaml/lint-opam@v3

	- name: Lint fmt
	uses: ocaml/setup-ocaml/lint-fmt@v3

	- name: Lint doc
	uses: ocaml/setup-ocaml/lint-doc@v3

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