deploy-public.yml

name: Deploy public

on:
  push:
    branches: ["main"]
  workflow_dispatch:
    inputs:
      hugoVersion:
        description: 'Hugo version to use'
        required: false
        default: '0.128.0'
        type: string
      baseUrl:
        description: 'Site base URL'
        required: false
        type: string
      environment:
        description: 'Hugo environment'
        required: false
        default: 'production'
        type: string

permissions:
  contents: write
  actions: read

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      HUGO_VERSION: ${{ inputs.hugoVersion || '0.128.0' }}
    steps:
      - name: Install Hugo CLI
        run: |
          wget -O ${{ runner.temp }}/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb \
          && sudo dpkg -i ${{ runner.temp }}/hugo.deb
      - name: Install Dart Sass
        run: sudo snap install dart-sass
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install Node.js dependencies
        run: "[[ -f package-lock.json || -f npm-shrinkwrap.json ]] && npm ci || true"
      - name: Build with Hugo
        env:
          HUGO_CACHEDIR: ${{ runner.temp }}/hugo_cache
          HUGO_ENVIRONMENT: ${{ inputs.environment || 'production' }}
        run: |
          hugo --minify --gc --cleanDestinationDir

      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: hugo-public
          path: ./public
          retention-days: 1

  push_public:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          
      - name: Download artifact
        uses: actions/download-artifact@v3
        with:
          name: hugo-public
          path: ./public

      - name: Setup Git and sync public branch
        run: |
          git config user.name "github-actions"
          git config user.email "actions@github.com"
          
          # 获取当前提交信息
          COMMIT_MSG=$(git log -1 --pretty=%B)
          COMMIT_HASH=$(git rev-parse --short HEAD)
          
          # 如果 public 分支不存在则创建
          if ! git show-ref --verify --quiet refs/remotes/origin/public; then
            git checkout --orphan public
            git rm -rf .
            cp -r public/* .
            git add .
            git commit -m "Initial public branch from main ${COMMIT_HASH}"
            git push origin public
          else
            # 更新现有 public 分支
            git fetch origin public
            git checkout public
            git reset --soft origin/public
            rm -rf ./*
            cp -r public/* .
            git add .
            
            if git diff --staged --quiet; then
              echo "No changes detected"
              exit 0
            fi
            
            git commit -m "Update from main ${COMMIT_HASH}" -m "Source commit message:" -m "${COMMIT_MSG}"
            git push origin public
          fi