Add write_to_file #277

	name: Nightly CI
	on:
	push:
	branches:
	- master
	- /^release-.*$/
	paths:
	- '.github/workflows/nightly_ci.yml'
	- 'test/**'
	- 'src/**'
	- 'Project.toml'
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	paths:
	- '.github/workflows/nightly_ci.yml'
	- 'test/**'
	- 'src/**'
	- 'Project.toml'
	concurrency:
	# Skip intermediate builds: always.
	# Cancel intermediate builds: only if it is a pull request build.
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
	jobs:
	test:
	# Run on push's or non-draft PRs
	if: (github.event_name == 'push') \|\| (github.event.pull_request.draft == false) \|\| (github.event_name == 'workflow_dispatch')
	name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	version:
	- 'nightly'
	os:
	- ubuntu-latest
	arch:
	- x64
	steps:
	- uses: actions/checkout@v2
	- uses: julia-actions/setup-julia@v1
	with:
	version: ${{ matrix.version }}
	arch: ${{ matrix.arch }}
	- uses: actions/cache@v1
	env:
	cache-name: cache-artifacts
	with:
	path: ~/.julia/artifacts
	key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
	restore-keys: \|
	${{ runner.os }}-test-${{ env.cache-name }}-
	${{ runner.os }}-test-
	${{ runner.os }}-
	- uses: julia-actions/julia-buildpkg@v1
	- uses: julia-actions/julia-runtest@v1
	- uses: julia-actions/julia-processcoverage@v1
	- uses: codecov/codecov-action@v1
	with:
	file: lcov.info

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