Method getExecutionPreview

src/tools/builtin/git/git-add.ts:193–232

* 获取执行预览

(
    command: string,
    workingDirectory: string,
    _params: Record<string, any>
  )

   * 获取执行预览
   */
  protected async getExecutionPreview(
    command: string,
    workingDirectory: string,
    _params: Record<string, any>
  ): Promise<string> {
    try {
      // 显示当前未暂存的文件
      const { stdout: statusOutput } = await execAsync('git status --porcelain', {
        cwd: workingDirectory,
        timeout: 5000,
      });

      if (!statusOutput.trim()) {
        return '没有需要添加的文件';
      }

      let preview = '待添加的文件:\n';
      const lines = statusOutput.split('\n').filter(line => line.trim());

      for (const line of lines) {
        const status = line.substring(0, 2);
        const file = line.substring(3);

        // 只显示未暂存的文件
        if (status[1] !== ' ') {
          let statusText = '';
          if (status[1] === 'M') statusText = '修改';
          else if (status.includes('?')) statusText = '新文件';
          else if (status[1] === 'D') statusText = '删除';
          else statusText = '其他';

          preview += `  ${statusText}: ${file}\n`;
        }
      }

      return preview || '没有未暂存的文件需要添加';
    } catch (error) {
      return '无法获取预览信息';
    }
  }

  /**
   * 后处理结果