From f8b835a66a1b46093d0754ccb5a03ec069dfd9d1 Mon Sep 17 00:00:00 2001
From: Ramiro Saenz <saenzramiro@gmail.com>
Date: Mon, 25 Jul 2016 13:31:05 -0300
Subject: [PATCH] Fixes #87

---
 electron/main.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/electron/main.js b/electron/main.js
index 1ecb5eba..3bf97735 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -175,6 +175,19 @@ function updateBadge(title) {
 // Allow Custom sites with self certificates
 app.commandLine.appendSwitch('ignore-certificate-errors');
 
+const shouldQuit = app.makeSingleInstance((commandLine, workingDirectory) => {
+	// Someone tried to run a second instance, we should focus our window.
+	if (mainWindow) {
+		if (mainWindow.isMinimized()) mainWindow.restore();
+		mainWindow.focus();
+	}
+});
+
+if (shouldQuit) {
+	app.quit();
+	return;
+}
+
 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 app.on('ready', createWindow);