changelog.yml

name: Update Changelog After Release

# 触发条件：每次创建 Release 后触发
on:
  release:
    types:
      - published

jobs:
  update-changelog:
    name: Update Changelog
    runs-on: ubuntu-latest
    steps:
      # 1. 检出代码
      - name: Checkout repository
        uses: actions/checkout@v3

      # 2. 获取 Release Notes
      - name: Fetch Release Notes
        id: get_release_notes
        uses: actions/github-script@v6
        with:
          script: |
            const release = context.payload.release;
            const tagName = release.tag_name;
            const releaseNotes = release.body || "No release notes provided.";
            return {
              tagName,
              releaseNotes,
            };
        # 输出 Release Notes 和 Tag 名
        outputs:
          tag: ${{ steps.get_release_notes.outputs.tagName }}
          notes: ${{ steps.get_release_notes.outputs.releaseNotes }}

      # 3. 更新 CHANGELOG.md 文件
      - name: Update CHANGELOG.md
        run: |
          # 如果 CHANGELOG.md 文件不存在，创建一个新的
          if [ ! -f CHANGELOG.md ]; then
            echo "# Changelog" > CHANGELOG.md
          fi

          # 创建临时文件，将新内容写到最前面
          {
            echo "## Release ${{ steps.get_release_notes.outputs.tag }} - $(date +"%Y-%m-%d")"
            echo ""
            echo "${{ steps.get_release_notes.outputs.notes }}"
            echo ""
            cat CHANGELOG.md
          } > TEMP_CHANGELOG.md

          # 覆盖原文件
          mv TEMP_CHANGELOG.md CHANGELOG.md

      # 4. 提交变更到仓库
      - name: Commit and push changes
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git add CHANGELOG.md
          git commit -m "docs: update CHANGELOG.md for release ${{ steps.get_release_notes.outputs.tag }}"
          git push