Test nix with the Issue1049-numpy_2.0.0_breaks_things branch #662

	---
	name: Test Nix
	on: [push, pull_request]
	jobs:
	test:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	working-directory: ./
	steps:
	- uses: actions/checkout@v3
	- uses: cachix/install-nix-action@v20
	with:
	nix_path: nixpkgs=channel:nixos-unstable
	name: fipy
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
	extraPullNames: nix-community
	- run: echo "UID=${UID}" >> $GITHUB_ENV
	- uses: actions/cache/restore@v3
	with:
	path: /run/user/${{ env.UID }}/http_cache.sqlite
	key: ${{ runner.os }}-http_cache.sqlite
	- run: \|
	nix develop --command bash -c "python setup.py egg_info && python setup.py test > test.out 2>&1" \|\| true
	status=$?
	# echo ::set-output name=errors::`cat test.out`
	EOF=$(dd if=/dev/urandom bs=15 count=1 status=none \| base64)
	echo "text<<$EOF" >> $GITHUB_STEP_SUMMARY
	echo "FiPy messages: $(cat test.out)." >> $GITHUB_STEP_SUMMARY
	echo "$EOF" >> $GITHUB_STEP_SUMMARY
	exit $status
	- run: nix develop --command bash -c "py.test --nbval --nbval-sanitize-with examples/sanitize.cfg examples/index.ipynb"
	- uses: actions/cache/save@v3
	if: always()
	with:
	path: /run/user/${{ env.UID }}/http_cache.sqlite
	key: ${{ runner.os }}-http_cache.sqlite

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