ci.yml

name: Zola

on:
  push:
    branches: source
  pull_request:

jobs:
  zola:
    runs-on: ubuntu-latest
    env:
      BASE_URL: https://github.com/getzola/zola/releases/download
      VERS: v0.15.2
      ARCH: x86_64-unknown-linux-gnu
      # https://github.com/crazy-max/ghaction-github-pages/issues/1#issuecomment-623202206
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
    - uses: actions/checkout@v4
      with:
          fetch-depth: ${{ github.event_name == 'pull_request' && 2 || 0 }}
    - name: Get changed files
      id: changed-files
      # source: https://stackoverflow.com/a/74268200, added filtering for markdown files
      run: |
        if ${{ github.event_name == 'pull_request' }}; then
            changed_files=$(git diff --name-only -r HEAD^1 HEAD -z | grep '\.md$' -zZ | xargs -0)
        else
            changed_files=$(git diff --name-only ${{ github.event.before }} ${{ github.event.after }} -z | grep '\.md$' -zZ | xargs -0)
        fi
        echo "changed_files: $changed_files"
        echo "changed_files=$changed_files" >> $GITHUB_OUTPUT
    - name: Lint
      uses: avto-dev/markdown-lint@v1
      with:
        args: '.'
        config: '.markdownlint.json'
    - name: Check links
      uses: lycheeverse/lychee-action@v1.9.0
      if: ${{ steps.changed-files.outputs.changed_files != '' }}
      with:
        fail: true
        args: >-
          --verbose
          --no-progress
          --accept '100..=103,200..=299,300..=399'
          --exclude '[^\w]todo[^\w]?'
          --exclude 'https://(www\.|old\.)?reddit\.com'
          ${{ steps.changed-files.outputs.changed_files }}
    - name: Install Zola
      run: |
        curl -L ${BASE_URL}/${VERS}/zola-${VERS}-${ARCH}.tar.gz | tar -xz
        echo "Zola version: $(./zola --version)"
    - name: Zola build
      run: ./zola build
    - name: Deploy
      if: github.ref == 'refs/heads/source'
      uses: crazy-max/ghaction-github-pages@v1
      with:
        build_dir: public
        target_branch: master