From 6d6fd3d49d69a4f0b10bb685994b1e74131ba4b2 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Tue, 7 Jun 2022 16:29:30 -0400
Subject: [PATCH] Maybe fix crash in sceneDidEnterBackground

---
 Tusker/MainSceneDelegate.swift | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Tusker/MainSceneDelegate.swift b/Tusker/MainSceneDelegate.swift
index f60ebdc5..0dec6de8 100644
--- a/Tusker/MainSceneDelegate.swift
+++ b/Tusker/MainSceneDelegate.swift
@@ -123,7 +123,10 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate {
             rootVC.sceneDidEnterBackground()
         }
         
-        if let context = scene.session.mastodonController?.persistentContainer.viewContext {
+        if let context = scene.session.mastodonController?.persistentContainer.viewContext,
+           // if the user quickly opens and then closes the app, this may race with loading the persistent store, so in that event we skip cleanup/save
+            let psc = context.persistentStoreCoordinator,
+           !psc.persistentStores.isEmpty {
             var minDate = Date()
             minDate.addTimeInterval(-7 * 24 * 60 * 60)