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f70b061d1a
CI / Go Backend (push) Canceled after 0s
初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器 HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块 Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚 AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI
49 lines
1.9 KiB
C#
49 lines
1.9 KiB
C#
using System;
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using System.Globalization;
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using System.IO;
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using System.Threading;
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namespace PCL.Core.App.Essentials;
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public static class UpdateHelper
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{
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/// <summary>
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/// 更新启动器（替换文件）
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/// </summary>
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/// <param name="source">用于替换的来源文件路径</param>
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/// <param name="target">目标文件路径</param>
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public static Exception? Replace(string source, string target)
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{
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var backup = $"{target}.bak.{DateTime.Now.ToString("yyyyMMddHHmmss", CultureInfo.InvariantCulture)}";
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Exception? lastEx = null;
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try
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{
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source = Path.GetFullPath(source);
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target = Path.GetFullPath(target);
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// 备份目标文件
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File.Copy(target, backup);
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if (!File.Exists(backup)) throw new FileNotFoundException("备份目标文件失败", backup);
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// 删除原文件并等待文件删除事件
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var watcher = new FileSystemWatcher(Basics.GetParentPathOrEmpty(target), Path.GetFileName(target));
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var deletedEvent = new ManualResetEventSlim(false);
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watcher.Deleted += (_, _) => deletedEvent.Set();
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watcher.EnableRaisingEvents = true;
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File.Delete(target);
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if (!deletedEvent.Wait(TimeSpan.FromSeconds(3))) throw new TimeoutException("删除目标文件失败");
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watcher.EnableRaisingEvents = false;
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watcher.Dispose();
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// 复制到目标文件
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File.Copy(source, target);
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if (!File.Exists(target)) throw new FileNotFoundException("复制到目标文件失败", target);
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}
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catch (Exception ex)
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{
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// 出错：恢复原文件并返回异常
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if (File.Exists(backup) && !File.Exists(target)) File.Move(backup, target);
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lastEx = ex;
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}
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if (File.Exists(backup)) File.Delete(backup); // 删除备份文件
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return lastEx;
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}
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}
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