name: Nix

on:
  push:
    branches: ['main']
  pull_request:
  workflow_dispatch:

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v9

      - name: Setup Nix cache
        uses: DeterminateSystems/magic-nix-cache-action@v2

      - name: Build refraction
        run: nix build -L --fallback

  check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v9

      - name: Setup Nix cache
        uses: DeterminateSystems/magic-nix-cache-action@v2

      - name: Run checks
        run: nix flake check -L --show-trace