From f7c797e0b0280397bb889a7ef3fcc9ba4f393ba3 Mon Sep 17 00:00:00 2001
From: Riley Testut <riley@rileytestut.com>
Date: Wed, 15 Sep 2021 14:29:37 -0700
Subject: [PATCH] Cancels AltBackup installation if error has already been
 thrown

---
 AltStore/Managing Apps/AppManager.swift | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/AltStore/Managing Apps/AppManager.swift b/AltStore/Managing Apps/AppManager.swift
index 4d7d9043..8acb0d16 100644
--- a/AltStore/Managing Apps/AppManager.swift	
+++ b/AltStore/Managing Apps/AppManager.swift	
@@ -1325,6 +1325,12 @@ private extension AppManager
     {
         let progress = Progress.discreteProgress(totalUnitCount: 100)
         
+        if let error = context.error
+        {
+            completionHandler(.failure(error))
+            return progress
+        }
+        
         guard let application = ALTApplication(fileURL: app.fileURL) else {
             completionHandler(.failure(OperationError.appNotFound))
             return progress
@@ -1391,6 +1397,8 @@ private extension AppManager
                 catch
                 {
                     print(error)
+                    
+                    context.error = error
                 }
                 
                 operation.finish()