UI: Create/remove an "inst.tmp" by Service early

src/ui/fortmanager.cpp

@@ -267,6 +267,8 @@ void FortManager::install(const char *arg)
     case 's': { // "service"
         StartupUtil::setAutoRunMode(StartupUtil::StartupAllUsers);
         StartupUtil::setServiceInstalled(true);
+
+        OsUtil::endRestartClients();
     } break;
     case 'e': { // "explorer"
         StartupUtil::setExplorerIntegrated(true);

src/ui/manager/autoupdatemanager.cpp

@@ -83,7 +83,7 @@ void AutoUpdateManager::setupRestart()
 {
     if (IoC<FortSettings>()->isService()) {
         connect(IoC<ServiceManager>(), &ServiceManager::stopRestartingRequested, this,
-                &AutoUpdateManager::restartClients);
+                &AutoUpdateManager::onRestartClientsRequested);
     } else {
         if (!OsUtil::registerAppRestart()) {
             qCWarning(LC) << "Restart registration error";
@@ -146,6 +146,15 @@ void AutoUpdateManager::setupByTaskInfo(TaskInfoUpdateChecker *taskInfo)
     setIsDownloaded(downloaded);
 }
 
+void AutoUpdateManager::onRestartClientsRequested(bool restarting)
+{
+    if (restarting) {
+        OsUtil::beginRestartClients();
+    }
+
+    emit restartClients(restarting);
+}
+
 void AutoUpdateManager::clearUpdateDir()
 {
     if (isDownloaded())

src/ui/manager/autoupdatemanager.h

@@ -74,6 +74,8 @@ protected slots:
 private:
     void setupByTaskInfo(TaskInfoUpdateChecker *taskInfo);
 
+    void onRestartClientsRequested(bool restarting);
+
     void clearUpdateDir();
 
     bool saveInstaller(const QByteArray &fileData);

src/ui/util/osutil.cpp

@@ -180,6 +180,16 @@ bool OsUtil::registerAppRestart()
             RegisterApplicationRestart(L"--restarted", RESTART_NO_CRASH | RESTART_NO_REBOOT));
 }
 
+void OsUtil::beginRestartClients()
+{
+    FileUtil::writeFileData(FileUtil::appBinLocation() + "/inst.tmp", {});
+}
+
+void OsUtil::endRestartClients()
+{
+    FileUtil::removeFile(FileUtil::appBinLocation() + "/inst.tmp");
+}
+
 void OsUtil::restartClient()
 {
     const QFileInfo fi(QCoreApplication::applicationFilePath());

src/ui/util/osutil.h

@@ -44,7 +44,10 @@ public:
 
     static bool registerAppRestart();
 
+    static void beginRestartClients();
+    static void endRestartClients();
     static void restartClient();
+
     static void restart();
     static void quit(const QString &reason);
 };