From 5bc0c374cfb226d94a27c6c50632c6b8eaf0de04 Mon Sep 17 00:00:00 2001
From: Pilzinsel64 <pilzinsel64@gmx.de>
Date: Wed, 26 Jun 2024 15:04:24 +0200
Subject: [PATCH] force replace file wich is currently in use

---
 .../UpdateInstaller.cs                        | 28 +++++++++++++++----
 Pilz.Updating.sln                             |  6 ++++
 2 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/Pilz.Updating.UpdateInstaller.Lib/UpdateInstaller.cs b/Pilz.Updating.UpdateInstaller.Lib/UpdateInstaller.cs
index 740d923..1418341 100644
--- a/Pilz.Updating.UpdateInstaller.Lib/UpdateInstaller.cs
+++ b/Pilz.Updating.UpdateInstaller.Lib/UpdateInstaller.cs
@@ -131,12 +131,30 @@ public class UpdateInstaller(UpdateInstallerConfig config)
         foreach (FileInfo sFile in sourceDir.EnumerateFiles("*", SearchOption.TopDirectoryOnly))
         {
             var dFile = new FileInfo(Path.Combine(destinationDir.FullName, sFile.Name));
-            try
-            {
-                sFile.CopyTo(dFile.FullName, true);
-            }
-            catch (Exception)
+            var triesLeft = 1;
+
+            while (triesLeft > 0)
             {
+                triesLeft--;
+
+                try
+                {
+                    sFile.CopyTo(dFile.FullName, true);
+                }
+                catch (IOException)
+                {
+                    if (triesLeft == 0 && File.Exists(dFile.FullName))
+                    {
+                        var oldFile = dFile.FullName + ".old";
+                        File.Delete(oldFile);
+                        File.Move(dFile.FullName, oldFile, true);
+                        File.Delete(oldFile);
+                        triesLeft++;
+                    }
+                }
+                catch (Exception)
+                {
+                }
             }
         }
 
diff --git a/Pilz.Updating.sln b/Pilz.Updating.sln
index 22248ea..93f7ffd 100644
--- a/Pilz.Updating.sln
+++ b/Pilz.Updating.sln
@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Pilz.Updating", "Pilz.Updat
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Pilz.Updating.UpdateInstaller.Lib", "Pilz.Updating.UpdateInstaller.Lib\Pilz.Updating.UpdateInstaller.Lib.csproj", "{F05AAEA2-386F-4307-AE5E-6831F4EA2B66}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Pilz.Updating.Test", "Pilz.Updating.Test\Pilz.Updating.Test.csproj", "{B98D1EA1-0C02-4337-97AD-B321EDD443E3}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{F05AAEA2-386F-4307-AE5E-6831F4EA2B66}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F05AAEA2-386F-4307-AE5E-6831F4EA2B66}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F05AAEA2-386F-4307-AE5E-6831F4EA2B66}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B98D1EA1-0C02-4337-97AD-B321EDD443E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B98D1EA1-0C02-4337-97AD-B321EDD443E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B98D1EA1-0C02-4337-97AD-B321EDD443E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B98D1EA1-0C02-4337-97AD-B321EDD443E3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE