hugo.yml

name: Build and deploy gh-pages

on:
  push:
    paths:
      - 'docs/**'
      - '.github/workflows/hugo.yml'

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1

      - uses: actions/setup-node@v3
        with:
          node-version: '16'
          cache: 'npm'
          cache-dependency-path: 'docs/package-lock.json'

      - name: Setup public worktree
        run: cd docs && git worktree add public gh-pages

      - name: Create a branch for pull request
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          cd docs/public
          git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git
          git push origin --delete gh-pages-github-action || true
          git checkout -b gh-pages-github-action gh-pages

      - name: Build pages
        run: |
          cd docs
          npm install
          npm run build
          ls public
          cd public && git status

      - name: Deploy
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          cd docs/public
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git
          git add --all
          git status
          git diff-index --quiet HEAD || git commit -m "Update gh-pages" && git push --set-upstream origin gh-pages-github-action