use modern config handling (#44) #83

	name: Elixir CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	MIX_ENV: test

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: cachix/install-nix-action@v19
	with:
	github_access_token: ${{ secrets.GITHUB_TOKEN }}
	extra_nix_config: \|
	# NOTE: Reassign the nix store to this to avoid permission issues when
	#trying to restoring what was cached by GitHub Actions.
	store = /home/runner/nix

	# NOTE: Other binary caches for us to use if cache.nixos.org doesn't
	# have what we need.
	trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
	substituters = https://cache.iog.io https://cache.nixos.org/

	- name: Restore cached nix store
	uses: actions/cache@v3
	with:
	path: /home/runner/nix
	key: ${{ runner.os }}-nix-${{ hashFiles('flake.lock') }}

	- name: Restore cached mix deps
	uses: actions/cache@v3
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- name: Install dependencies
	run: nix develop .#devShells.x86_64-linux.ci --command bash -c "mix local.rebar --force && mix local.hex --force && mix deps.get && mix deps.compile"

	- name: Run tests
	run: nix develop .#devShells.x86_64-linux.ci --command mix test --color

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