force replace file wich is currently in use

2024-06-26 15:04:24 +02:00
parent 890a2787a3
commit 5bc0c374cf
2 changed files with 29 additions and 5 deletions
--- 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)
+                {
+                }
            }
        }