name: Nix
on:
  push:
    paths-ignore:
      - README.md
  pull_request:
    paths-ignore:
      - README.md

jobs:
  build:
    strategy:
      matrix:
        target-system:
          - ymir
          - tartarus
          - pochita
          - pochita-sd
          - harmonica
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v31
      # TODO: add a binary cache
      # - uses: cachix/cachix-action@v10
      #   with:
      #     name: YOURCACHE
      #     authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: nix flake check --accept-flake-config
        # Pre-build the system configuration
      - run: nix build --accept-flake-config --dry-run .#nixosConfigurations.${{ matrix.target-system }}.config.system.build.toplevel
  check-formatting:
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v31
      - run: nix shell nixpkgs#alejandra -c alejandra -c .