Add codecov. #6

	name: ci
	on: [push]
	jobs:

	Build:
	runs-on: ${{ matrix.os }}
	permissions:
	contents: write
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	gcc_v: [12]
	python-version: [3.9]
	env:
	FC: gfortran-${{ matrix.gcc_v }}
	GCC_V: ${{ matrix.gcc_v }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	submodules: recursive

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Setup Graphviz
	uses: ts-graphviz/setup-graphviz@v1

	- name: Setup Fortran Package Manager
	uses: fortran-lang/setup-fpm@v5
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}

	- name: Install Python dependencies
	if: contains( matrix.os, 'ubuntu')
	run: \|
	python -m pip install --upgrade pip
	pip install ford
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

	- name: Install GFortran Linux
	if: contains( matrix.os, 'ubuntu')
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test
	sudo apt-get update
	sudo apt-get upgrade -y
	sudo apt-get install -y gcc-${{ matrix.gcc_v }} gfortran-${{ matrix.gcc_v }}
	sudo update-alternatives \
	--install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc_v }} 100 \
	--slave /usr/bin/gfortran gfortran /usr/bin/gfortran-${{ matrix.gcc_v }}s

	# - name: Run tests
	# run: fpm @gfortran

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v3
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

	- name: Build documentation
	run: ford ./ford.yml

	- name: Deploy Documentation
	uses: JamesIves/github-pages-deploy-action@v4.4.3
	with:
	branch: gh-pages
	folder: doc

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