name: Build
on:
  pull_request:
  push:
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.3.4
      - uses: cachix/install-nix-action@v13
        with:
          install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.4pre20210823_af94b54/install
          extra_nix_config: |
            experimental-features = nix-command flakes

      - run: nix flake check
      - run: nix build

  build-2.3:
      - uses: actions/checkout@v2.3.4
      - uses: cachix/install-nix-action@v13
      - run: nix-build

  tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.3.4
      - uses: cachix/install-nix-action@v13
        with:
          install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.4pre20210823_af94b54/install
          extra_nix_config: |
            experimental-features = nix-command flakes

      - run: nix-shell --run "cargo test"