update-version.yml

# 订阅式更新：仅在被触发时检查上游 release，更新 version.json 与 README 并推送，推送会触发构建
name: Update upstream version

on:
  # 本仓库推送时也检查一次（排除仅由 bot 更新的 version.json/README，避免循环）
  push:
    branches: [main]
    paths-ignore:
      - 'version.json'
      - 'README.md'
  # 由外部在「上游发 release 时」调用，实现订阅式更新（见 README 订阅机制）
  repository_dispatch:
    types: [upstream-release]
  workflow_dispatch:

env:
  UPSTREAM_REPO: CVHub520/X-AnyLabeling-Server

jobs:
  update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get upstream latest release and tag SHA
        id: upstream
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          LATEST=$(gh api repos/${{ env.UPSTREAM_REPO }}/releases/latest --jq '.tag_name' 2>/dev/null || echo "")
          if [ -z "$LATEST" ]; then
            LATEST=$(gh api repos/${{ env.UPSTREAM_REPO }}/tags --jq '.[0].name' 2>/dev/null || echo "")
          fi
          if [ -z "$LATEST" ]; then
            echo "无法获取上游版本，跳过"
            echo "version=" >> $GITHUB_OUTPUT
            echo "sha=" >> $GITHUB_OUTPUT
            exit 0
          fi
          # 获取该 tag 对应的 commit SHA，用于去重与追溯
          SHA=$(gh api repos/${{ env.UPSTREAM_REPO }}/git/ref/tags/${LATEST} --jq '.object.sha' 2>/dev/null || echo "")
          if [ -z "$SHA" ]; then
            SHA=$(gh api repos/${{ env.UPSTREAM_REPO }}/commits/${LATEST} --jq '.sha' 2>/dev/null || echo "")
          fi
          echo "version=$LATEST" >> $GITHUB_OUTPUT
          echo "sha=${SHA:-}" >> $GITHUB_OUTPUT
          echo "上游最新版本: $LATEST (sha: ${SHA:-未知})"

      - name: Read current version and sha
        id: current
        run: |
          if [ -f version.json ]; then
            CURRENT=$(jq -r '.version // ""' version.json)
            CURRENT_SHA=$(jq -r '.upstream_sha // ""' version.json)
          else
            CURRENT=""
            CURRENT_SHA=""
          fi
          echo "current=$CURRENT" >> $GITHUB_OUTPUT
          echo "current_sha=$CURRENT_SHA" >> $GITHUB_OUTPUT
          echo "当前记录版本: ${CURRENT:-无} (sha: ${CURRENT_SHA:-无})"

      - name: Update version.json and README
        if: steps.upstream.outputs.version != '' && (steps.upstream.outputs.version != steps.current.outputs.current || steps.upstream.outputs.sha != steps.current.outputs.current_sha)
        run: |
          VERSION="${{ steps.upstream.outputs.version }}"
          SHA="${{ steps.upstream.outputs.sha }}"
          UPDATED_AT=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

          # 写入 version.json（含 upstream_sha 便于去重与追溯）
          jq -n \
            --arg version "$VERSION" \
            --arg repo "${{ env.UPSTREAM_REPO }}" \
            --arg updated_at "$UPDATED_AT" \
            --arg upstream_sha "${SHA}" \
            '{version: $version, upstream_repo: $repo, updated_at: $updated_at, upstream_sha: $upstream_sha}' > version.json

          # 更新 README 中的跟随版本占位符
          sed -i "s/当前跟随的上游版本: \*\*[^*]*\*\*/当前跟随的上游版本: **$VERSION**/" README.md || true
          # 若 README 里是占位符 VERSION_FOLLOWED
          sed -i "s/VERSION_FOLLOWED/$VERSION/g" README.md || true

      - name: Commit and push
        if: steps.upstream.outputs.version != '' && (steps.upstream.outputs.version != steps.current.outputs.current || steps.upstream.outputs.sha != steps.current.outputs.current_sha)
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add version.json README.md
          git diff --staged --quiet || git commit -m "chore: follow upstream ${{ steps.upstream.outputs.version }}"
          git push