#28: Fix Linux upgrade

public/electron.js

@@ -29,14 +29,22 @@ let launchHidden = false;
 let firstMountCheck = true;
 let manualMountDetection = {};
 
+let isShutdown = false;
 let isQuiting = false;
+let isInstalling = false;
 
 app.on('before-quit', function () {
   isQuiting = true;
 });
 
 function closeApplication() {
-  app.quit();
+  if (!isShutdown) {
+    isShutdown = true;
+    if (mainWindowTray) {
+      mainWindowTray.destroy();
+    }
+    app.quit();
+  }
 }
 
 function setWindowVisibility(show) {
@@ -187,12 +195,10 @@ function createWindow() {
   mainWindow.loadURL(startUrl);
 }
 
-const instanceLock = app.requestSingleInstanceLock();
-if (!instanceLock) {
-  closeApplication();
-} else {
+let instanceLock = app.requestSingleInstanceLock();
+const configurePrimaryApp = () => {
   app.on('second-instance', () => {
-    if (mainWindow) {
+    if (!isInstalling && mainWindow) {
       setWindowVisibility(true);
     }
   });
@@ -202,6 +208,17 @@ if (!instanceLock) {
   app.on('window-all-closed', () => {
     closeApplication();
   });
+};
+if (!instanceLock) {
+  setTimeout(() => {
+    if ((instanceLock = app.requestSingleInstanceLock())) {
+      configurePrimaryApp();
+    } else {
+      closeApplication();
+    }
+  }, 3000);
+} else {
+  configurePrimaryApp();
 }
 
 const clearManualMountDetection = (provider) => {
@@ -757,6 +774,7 @@ ipcMain.on(Constants.IPC_Install_Upgrade, (event, data) => {
 
   if (command) {
     const executeInstall = () => {
+      isInstalling = true;
       helpers
         .executeAsync(command, args)
         .then(() => {
@@ -764,6 +782,7 @@ ipcMain.on(Constants.IPC_Install_Upgrade, (event, data) => {
           standardIPCReply(event, Constants.IPC_Install_Upgrade_Reply)
         })
         .catch(error => {
+          isInstalling = false;
           errorHandler(error);
         });
     };