From 4611ddab2a3050839f88059036b8b4360c33be5c Mon Sep 17 00:00:00 2001
From: Kenneth Skovhede <kenneth@hexad.dk>
Date: Fri, 26 Oct 2018 09:16:49 +0200
Subject: [PATCH] Added code to re-spawn `Duplicati.WindowsService.exe` if the
 child signals an update

---
 Duplicati/Service/Runner.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Duplicati/Service/Runner.cs b/Duplicati/Service/Runner.cs
index 4f2ae0f76..a9140b837 100644
--- a/Duplicati/Service/Runner.cs
+++ b/Duplicati/Service/Runner.cs
@@ -109,6 +109,22 @@ namespace Duplicati.Service
                                     PingProcess();
                             }
                         }
+
+                        // Check if the child process is signalling an update
+                        if (m_process.ExitCode == Duplicati.Library.AutoUpdater.UpdaterManager.MAGIC_EXIT_CODE)
+                        {
+                            // If we are a spawned update process, our parent process will restart us
+                            if (Duplicati.Library.AutoUpdater.UpdaterManager.IsRunningInUpdateEnvironment)
+                            {
+                                // Hard exit from here
+                                Environment.Exit(Duplicati.Library.AutoUpdater.UpdaterManager.MAGIC_EXIT_CODE);
+                            }
+                            else
+                            {
+                                // Log this to help in debugging
+                                m_reportMessage("Child process stopped with an update code, but we are not running in an update environment. Ignoring update request", true);
+                            }
+                        }
                     }
                     catch (Exception ex)
                     {