name: CI
on:
  pull_request:
  push:
jobs:
  tests:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2.4.0
    - uses: cachix/install-nix-action@v16
      with:
        install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.8.0pre20220311_d532269/install
        extra_nix_config: experimental-features = nix-command flakes

    - name: Run Nix Flake Check
      run: nix -Lv flake check

    - name: Check Nix parsing
      run: nix -Lv develop -c "evalnix"