name: "Nix: build and cache outputs"

on:
  workflow_dispatch:
  push:
    paths:
      - "**.nix"
      - "**.lock"
      - ".github/workflows/build.yml"

jobs:
  build-flake:
    name: Build (x86_64-linux)
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref_name }}
          persist-credentials: false

      - name: Install Lix
        uses: ./.github/actions/install-lix

      - name: Setup Attic cache
        uses: ryanccn/attic-action@v0.3.2
        with:
          endpoint: https://cache.thevoid.cafe
          cache: puzzlevision
          token: ${{ secrets.ATTIC_TOKEN }}

      - name: Build flake
        run: nix build .#nixosConfigurations.puzzlevision.config.system.build.toplevel --accept-flake-config