Stop depending on clap 3 via cbindgen. #158

	name: Code Coverage

	on: [push, pull_request]

	env:
	RUST_BACKTRACE: 1

	jobs:
	generate_coverage:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install dependencies
	run: \|
	sudo apt update -y
	sudo apt install -y \
	tzdata \
	build-essential \
	pkg-config \
	git \
	lcov \
	libcfitsio-dev \
	;
	env:
	DEBIAN_FRONTEND: noninteractive

	- name: Install stable toolchain
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	components: llvm-tools-preview

	- name: install cargo-llvm-cov
	run: cargo install cargo-llvm-cov

	- name: Generate test lcov coverage into coverage/ dir
	run: \|
	mkdir -p coverage
	cargo llvm-cov --lib --lcov --output-path coverage/coverage.lcov
	# this uses the result of the previous run to generate a text summary
	cargo llvm-cov --no-run

	- name: Upload reports to codecov.io
	uses: codecov/codecov-action@v2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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