Fix backup for the 3rd time

Author: hugeBlack

AltStore/Managing Apps/AppManager.swift

@@ -1398,7 +1398,7 @@ private extension AppManager
     {
         let progress = Progress.discreteProgress(totalUnitCount: 100)
 
-        let context = InstallAppOperationContext(bundleIdentifier: app.bundleIdentifier, authenticatedContext: group.context)
+        let context = context ?? InstallAppOperationContext(bundleIdentifier: app.bundleIdentifier, authenticatedContext: group.context)
         context.customBundleIdentifier = customBundleIdentifier ?? (app as? InstalledApp)?.customBundleIdentifier
         assert(context.authenticatedContext === group.context)
 

AltStore/Operations/InstallAppOperation.swift

@@ -21,12 +21,16 @@ final class InstallAppOperation: ResultOperation<InstalledApp>, OperationLogging
 
     let context: InstallAppOperationContext
     let storeApp: StoreApp?
+
+    // Keep returned InstalledApp objects attached until the result handler retains their context.
+    private let managedObjectContext: NSManagedObjectContext
 
     private var didCleanUp = false
 
     init(context: InstallAppOperationContext, app: any AppProtocol) {
         self.context = context
         self.storeApp = app as? StoreApp
+        self.managedObjectContext = DatabaseManager.shared.persistentContainer.newBackgroundContext()
 
         super.init()
 
@@ -62,9 +66,8 @@ final class InstallAppOperation: ResultOperation<InstalledApp>, OperationLogging
 
         Task {
             do {
-                let backgroundContext = DatabaseManager.shared.persistentContainer.newBackgroundContext()
                 let installedApp = try await installApp(
-                    in: backgroundContext,
+                    in: managedObjectContext,
                     certificate: certificate,
                     resignedApp: resignedApp,
                     provisioningProfiles: provisioningProfiles,