加强自动更新时替换文件的能力

StarAgent/Program.cs

@@ -411,6 +411,7 @@ internal class MyService : ServiceBase, IServiceProvider
             }
             catch (Exception ex)
             {
+                XTrace.WriteException(ex);
                 client.WriteErrorEvent("Upgrade", ex.ToString());
             }
         }

Stardust/LocalStarClient.cs

@@ -180,7 +180,7 @@ public class LocalStarClient
 
             WriteLog("目标：{0}", target);
 
-            var ug = new Upgrade
+            var ug = new Stardust.Web.Upgrade
             {
                 SourceFile = Path.GetFileName(url).GetFullPath(),
                 DestinationPath = target,

Stardust/StarClient.cs

@@ -3,7 +3,6 @@ using System.Diagnostics;
 using System.Net.NetworkInformation;
 using System.Net.WebSockets;
 using System.Reflection;
-using System.Runtime.ConstrainedExecution;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 using NewLife;
@@ -778,7 +777,7 @@ public class StarClient : ApiHttpClient, ICommandClient, IEventProvider
         XTrace.WriteLine("检查更新：{0}", channel);
 
         // 清理
-        var ug = new Upgrade { Log = XTrace.Log };
+        var ug = new Stardust.Web.Upgrade { Log = XTrace.Log };
         ug.DeleteBackup(".");
 
         var rs = await UpgradeAsync(channel);

Stardust/Web/Upgrade.cs

@@ -7,7 +7,6 @@ namespace Stardust.Web;
 
 /// <summary>升级更新</summary>
 /// <remarks>
-/// 优先比较版本Version，再比较时间Time。
 /// 自动更新的难点在于覆盖正在使用的exe/dll文件，通过改名可以解决。
 /// </remarks>
 public class Upgrade
@@ -115,10 +114,19 @@ public class Upgrade
                 if (File.Exists(del)) File.Delete(del);
                 item.MoveTo(del);
             }
-            catch
+            catch (Exception ex)
             {
-                // 删除失败时，移动到临时目录随机文件
-                item.MoveTo(Path.GetTempFileName());
+                WriteLog(ex.Message);
+
+                try
+                {
+                    // 删除失败时，移动到临时目录随机文件
+                    item.MoveTo(Path.GetTempFileName());
+                }
+                catch (Exception ex2)
+                {
+                    WriteLog(ex2.Message);
+                }
             }
         }
 
@@ -267,7 +275,10 @@ public class Upgrade
             {
                 item.Delete();
             }
-            catch { }
+            catch (Exception ex)
+            {
+                WriteLog(ex.Message);
+            }
         }
     }
 
@@ -297,8 +308,10 @@ public class Upgrade
             {
                 item.CopyTo(dst.EnsureDirectory(true), true);
             }
-            catch
+            catch (Exception ex)
             {
+                WriteLog(ex.Message);
+
                 // 如果是exe/dll，则先改名，因为可能无法覆盖
                 if (/*dst.EndsWithIgnoreCase(".exe", ".dll") &&*/ File.Exists(dst))
                 {