name: "Nix ✅/ 🚫"

on: [ push, pull_request ]

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout 🛒
        uses: actions/checkout@v2
      - name: Toolchain 🧰
        uses: cachix/install-nix-action@v2.3.4
        with:
          nix_path: nixpkgs=channel:nixos-20.09
      - run: nix-build