name: Deploy Quartz site to GitHub Pages using Nix

on:
  push:
    branches:
      - main

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch all history for git info
      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@main
      - name: Activate Magic Cache
        uses: DeterminateSystems/magic-nix-cache-action@main
      - name: Build site
        run: nix build
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: result/public

  deploy:
    needs: build
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4