name: Build and Deploy Blog

on:
  push:
    branches: [main]
    paths-ignore:
      - 'README.md'
      - 'LICENSE'
      - '.gitignore'
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    # host 模式:step 直接在 gitea-runner 容器内跑(Alpine),
    # /blog-public 由 runner docker-compose 直接 bind 到 NAS,无需 act_runner 注入
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Install build tools (Alpine)
        # runner 镜像是 alpine,只有 apk;每次跑装一遍,几秒钟,小代价换零状态
        run: apk add --no-cache curl tar rsync git bash

      - name: Install Hugo Extended
        run: |
          HUGO_VERSION=0.161.1
          curl -fsSL "https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.tar.gz" | tar -xz
          install hugo /usr/local/bin/
          hugo version

      - name: Build site
        run: hugo --gc --minify

      - name: Deploy to /blog-public
        run: |
          [ -d /blog-public ] || { echo "::error::/blog-public missing, runner compose 没挂上"; exit 1; }
          rsync -av --delete public/ /blog-public/