name: Deploy Zola site to Pages

env:
  ZOLA_VERSION: 0.21.0

on:
  # Runs on pushes targeting the default branch
  push:
    branches:
      # If you want to build from a different branch, change it here.
      - main
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    # You can find the list of available runners on https://codeberg.org/actions/meta, or run one yourself.
    runs-on: codeberg-tiny-lazy
    container:
      image: "alpine:edge"
    steps:
      - name: Install CI prerequisites
        run: |
          apk upgrade -Ua
          apk add nodejs git 'zola=~${{ env.ZOLA_VERSION }}'
      - name: Clone the repository
        uses: https://code.forgejo.org/actions/checkout@v5
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Generate static files with Zola
        run: |
          zola build
      - name: Upload generated files
        uses: https://code.forgejo.org/actions/upload-artifact@v3
        with:
          name: Generated files
          path: public/

  deploy:
    needs: [build]
    runs-on: codeberg-tiny-lazy
    steps:
      - name: Clone the repository
        uses: https://code.forgejo.org/actions/checkout@v5
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Checkout the target branch and clean it up
        # If you want to commit to a branch other than "pages", change the two references below, as well as the reference in the last step.
        run: |
          git checkout pages || git switch --orphan pages && \
          rm -Rfv $(ls -A | egrep -v '^(\.git|LICENSE)$')
      - name: Download generated files
        uses: https://code.forgejo.org/actions/download-artifact@v3
        with:
          name: Generated files
      - name: Publish the website
        run: |
          git config user.email codeberg-ci && \
          git config user.name "Codeberg CI" && \
          git add . && \
          git commit --allow-empty --message "Codeberg build for ${GITHUB_SHA}" && \
          git push origin pages