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[AltStoreCore] Updates DatabaseManager to support #Preview macro

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Synchronously loads database via startForPreview(), and also erases database for DEBUG builds.
This commit is contained in:
Riley Testut
2023-10-11 17:59:01 -05:00
committed by Magesh K
parent 1ece687e37
commit 9ddc27f6ca
3 changed files with 54 additions and 2 deletions
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4
AltStore.xcodeproj/project.pbxproj
View File

@@ -413,6 +413,7 @@
D5A299882AAB9E4E00A3988D /* JITError.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5A1D2E32AA50EB60066CACC /* JITError.swift */; };
D5A299892AAB9E5900A3988D /* AppProcess.swift in Sources */ = {isa = PBXBuildFile; fileRef = D59A6B7D2AA9226C00F61259 /* AppProcess.swift */; };
D5ACE84528E3B8450021CAB9 /* ClearAppCacheOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5ACE84428E3B8450021CAB9 /* ClearAppCacheOperation.swift */; };
D5B6F6A92AD75D01007EED5A /* ProcessInfo+Previews.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5B6F6A82AD75D01007EED5A /* ProcessInfo+Previews.swift */; };
D5BA9E9B2A9FE1E8007C0661 /* JITManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5BA9E9A2A9FE1E8007C0661 /* JITManager.swift */; };
D5C8ACDB2A956B2B00669F92 /* Process+STPrivilegedTask.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5C8ACDA2A956B2B00669F92 /* Process+STPrivilegedTask.swift */; };
D5CA0C4B280E141900469595 /* ManagedPatron.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5CA0C4A280E141900469595 /* ManagedPatron.swift */; };
@@ -1068,6 +1069,7 @@
D5A1D2EA2AA513410066CACC /* URL+Tools.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "URL+Tools.swift"; sourceTree = "<group>"; };
D5A2193329B14F94002229FC /* DeprecatedAPIs.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeprecatedAPIs.swift; sourceTree = "<group>"; };
D5ACE84428E3B8450021CAB9 /* ClearAppCacheOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClearAppCacheOperation.swift; sourceTree = "<group>"; };
D5B6F6A82AD75D01007EED5A /* ProcessInfo+Previews.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ProcessInfo+Previews.swift"; sourceTree = "<group>"; };
D5BA9E9A2A9FE1E8007C0661 /* JITManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JITManager.swift; sourceTree = "<group>"; };
D5C8ACDA2A956B2B00669F92 /* Process+STPrivilegedTask.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Process+STPrivilegedTask.swift"; sourceTree = "<group>"; };
D5CA0C4A280E141900469595 /* ManagedPatron.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ManagedPatron.swift; sourceTree = "<group>"; };
@@ -1726,6 +1728,7 @@
D5F48B4729CCF21B002B52A4 /* AltStore+Async.swift */,
D5893F7E2A14183200E767CD /* NSManagedObjectContext+Conveniences.swift */,
D52A2F962ACB40F700BDF8E3 /* Logger+AltStore.swift */,
D5B6F6A82AD75D01007EED5A /* ProcessInfo+Previews.swift */,
);
path = Extensions;
sourceTree = "<group>";
@@ -3063,6 +3066,7 @@
BFAECC5A2501B0A400528F27 /* NetworkConnection.swift in Sources */,
D5F99A1828D11DB500476A16 /* AltStore10ToAltStore11.xcmappingmodel in Sources */,
BF66EEE92501AED0007EE018 /* JSONDecoder+Properties.swift in Sources */,
D5B6F6A92AD75D01007EED5A /* ProcessInfo+Previews.swift in Sources */,
BF66EEEB2501AED0007EE018 /* UIApplication+AppExtension.swift in Sources */,
D5F48B4829CCF21B002B52A4 /* AltStore+Async.swift in Sources */,
BF66EED92501AECA007EE018 /* Team.swift in Sources */,

16
AltStoreCore/Extensions/ProcessInfo+Previews.swift Normal file
View File

@@ -0,0 +1,16 @@
//
// ProcessInfo+Previews.swift
// AltStoreCore
//
// Created by Riley Testut on 10/11/23.
// Copyright © 2023 Riley Testut. All rights reserved.
//
import Foundation
public extension ProcessInfo
{
var isPreview: Bool {
ProcessInfo.processInfo.environment["XCODE_RUNNING_FOR_PREVIEWS"] == "1"
}
}

36
AltStoreCore/Model/DatabaseManager.swift
View File

@@ -86,8 +86,24 @@ public extension DatabaseManager
guard !self.isStarted else { return finish(nil) }
if self.persistentContainer.isMigrationRequired {
#if DEBUG
// Wrap in #if DEBUG to *ensure* we never accidentally delete production databases.
if ProcessInfo.processInfo.isPreview
{
do
{
print("!!! Purging database for preview...")
try FileManager.default.removeItem(at: PersistentContainer.defaultDirectoryURL())
}
catch
{
print("Failed to remove database directory for preview.", error)
}
}
#endif
if self.persistentContainer.isMigrationRequired
{
// Quit any other running AltStore processes to prevent concurrent database access during and after migration.
self.ignoreWillMigrateDatabaseNotification = true
CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(), .willMigrateDatabase, nil, nil, true)
@@ -164,6 +180,22 @@ public extension DatabaseManager
}
}
public extension DatabaseManager
{
func startForPreview()
{
let semaphore = DispatchSemaphore(value: 0)
self.dispatchQueue.async {
self.startCompletionHandlers.append { error in
semaphore.signal()
}
}
semaphore.wait()
}
}
public extension DatabaseManager
{
var viewContext: NSManagedObjectContext {