code-stats.yml

name: Code Statistics

on:
  workflow_dispatch:  # 手动触发
    inputs:
      output_branch:
        description: '输出结果的分支名称（默认：code-stats-results）'
        required: false
        default: 'code-stats-results'
  schedule:
    # 每天凌晨 2 点执行
    - cron: '0 2 * * *'

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

jobs:
  code-stats:
    runs-on: ubuntu-latest
    permissions:
      contents: write  
    steps:
      - name: Checkout StarryOS
        uses: actions/checkout@v4
        with:
          submodules: 'recursive'

      - name: Checkout test harness
        uses: actions/checkout@v4
        with:
          repository: kylin-x-kernel/starry-test-harness
          path: starry-test-harness

      - name: Install dependencies
        run: |
          # 安装 tokei
          cargo install --locked tokei
          
          # 安装 yq
          sudo wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
          sudo chmod +x /usr/local/bin/yq
          
          # 验证安装
          tokei --version
          yq --version

      - name: Clone whitelist repositories
        run: |
          # 白名单仓库会克隆到 local_crates/ 目录
          # 格式: 分支名|仓库URL|目录名
          
          cat > repos.txt << 'EOF'
          master|https://github.com/kylin-x-kernel/starry-ptrace|starry-ptrace
          master|https://github.com/kylin-x-kernel/starry-test-harness|starry-test-harness
          master|https://gitee.com/openkylin/rust-libutee|rust-libutee
          master|https://gitee.com/openkylin/microkylin_manager|microkylin_manager
          main|https://github.com/kylin-x-kernel/meta-starry.git|meta-starry
          main|https://github.com/kylin-x-kernel/aarch64-pmuv3.git|aarch64-pmuv3
          dev|https://github.com/kylin-x-kernel/page_table_multiarch.git|page_table_multiarch
          EOF
          
          # 添加更多仓库示例：
          # main|https://github.com/org/repo|repo
          
          # 批量克隆到 local_crates
          while IFS='|' read -r branch repo name; do
            [[ -z "$branch" ]] && continue
            target="local_crates/$name"
            if [[ -d "$target" ]]; then
              echo "[skip] $target already exists"
            else
              echo "[clone] $repo ($branch) → $target"
              git clone -b "$branch" --depth 1 "$repo" "$target"
            fi
          done < repos.txt

      - name: Run code statistics
        run: |
          # 统计主仓库（排除 local_crates）和 local_crates 下所有子目录
          python3 starry-test-harness/scripts/generate_loc_report.py \
            --workspace "${{ github.workspace }}" \
            --clone-dir local_crates \
            --output ./code-stats

      - name: Generate timestamp
        id: timestamp
        run: echo "date=$(date +'%Y%m%d-%H%M%S')" >> $GITHUB_OUTPUT

      - name: Upload statistics as artifact
        uses: actions/upload-artifact@v4
        with:
          name: code-statistics-${{ steps.timestamp.outputs.date }}
          path: |
            code-stats/loc.json
            code-stats/loc.md
          retention-days: 90

      - name: Commit and push to results branch
        env:
          OUTPUT_BRANCH: ${{ github.event.inputs.output_branch || 'code-stats-results' }}
          TIMESTAMP: ${{ steps.timestamp.outputs.date }}
        run: |
          # 配置 git
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          
          # 备份统计结果到临时目录
          mkdir -p /tmp/code-stats-backup
          cp -r code-stats/* /tmp/code-stats-backup/
          
          # 创建或切换到结果分支
          git fetch origin ${OUTPUT_BRANCH} || true
          
          # 检查分支是否存在
          if git show-ref --verify --quiet refs/remotes/origin/${OUTPUT_BRANCH}; then
            # 分支存在，切换
            git checkout ${OUTPUT_BRANCH}
            
            # 检查是否有非 reports 的文件/目录（说明分支被污染了）
            shopt -s dotglob nullglob
            needs_cleanup=false
            for item in *; do
              if [ "$item" != ".git" ] && [ "$item" != "reports" ]; then
                needs_cleanup=true
                break
              fi
            done
            
            if [ "$needs_cleanup" = true ]; then
              echo "Branch contains non-report files. Performing cleanup..."
              
              # 备份旧的 reports 目录（如果存在）
              if [ -d "reports" ]; then
                echo "Backing up old reports..."
                cp -r reports /tmp/old-reports-backup
              fi
              
              # 清理工作区（保留 .git）
              for item in *; do
                if [ "$item" != ".git" ]; then
                  rm -rf "$item"
                fi
              done
              # 清空 git 索引
              git rm -rf --cached . 2>/dev/null || true
              
              # 恢复旧的 reports 目录
              if [ -d "/tmp/old-reports-backup" ]; then
                echo "Restoring old reports..."
                cp -r /tmp/old-reports-backup reports
              fi
            else
              echo "Branch is clean. Skipping cleanup."
            fi
          else
            # 分支不存在，创建孤立分支
            git checkout --orphan ${OUTPUT_BRANCH}
            # 清空暂存区
            git rm -rf . 2>/dev/null || true
          fi
          
          # 确保 reports 目录存在
          mkdir -p reports/${TIMESTAMP}
          
          # 从临时目录复制统计结果
          cp /tmp/code-stats-backup/loc.json reports/${TIMESTAMP}/
          cp /tmp/code-stats-backup/loc.md reports/${TIMESTAMP}/
          cp /tmp/code-stats-backup/loc.json reports/latest.json
          cp /tmp/code-stats-backup/loc.md reports/latest.md
          
          # 创建索引文件
          cat > reports/README.md << 'EOF'
          # StarryOS 代码统计历史报告
          
          ## 最新报告
          
          - [最新统计 (JSON)](./latest.json)
          - [最新统计 (Markdown)](./latest.md)
          
          ## 历史报告
          
          EOF
          
          # 列出所有历史报告
          for dir in reports/*/; do
            if [ -d "$dir" ]; then
              dirname=$(basename "$dir")
              echo "- [\`${dirname}\`](./${dirname}/loc.md)" >> reports/README.md
            fi
          done
          
          # 添加元信息
          cat > reports/latest-info.json << EOF
          {
            "timestamp": "${TIMESTAMP}",
            "commit": "${{ github.sha }}",
            "branch": "${{ github.ref_name }}",
            "workflow_run": "${{ github.run_id }}"
          }
          EOF
          
          # 提交更改
          git add reports/
          git commit -m " 代码统计报告 - ${TIMESTAMP}" || echo "No changes to commit"
          
          # 推送到远程
          git push -f origin ${OUTPUT_BRANCH}
          
          echo " 统计结果已推送到分支: ${OUTPUT_BRANCH}"
          echo " 查看报告: https://github.com/${{ github.repository }}/tree/${OUTPUT_BRANCH}/reports"

      - name: Display statistics summary
        if: always()
        run: |
          echo "##  代码统计摘要" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          if [ -f code-stats/loc.md ]; then
            cat code-stats/loc.md >> $GITHUB_STEP_SUMMARY
          else
            echo "统计文件未生成" >> $GITHUB_STEP_SUMMARY
          fi
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "---" >> $GITHUB_STEP_SUMMARY
          echo " 统计结果已保存到分支: \`${{ github.event.inputs.output_branch || 'code-stats-results' }}\`" >> $GITHUB_STEP_SUMMARY
          echo " [查看历史报告](https://github.com/${{ github.repository }}/tree/${{ github.event.inputs.output_branch || 'code-stats-results' }}/reports)" >> $GITHUB_STEP_SUMMARY