add Sparkle

Cheetah/CheetahApp.swift

@@ -2,6 +2,7 @@ import SwiftUI
 import Combine
 import LibWhisper
 import CheetahIPC
+import Sparkle
 
 enum AnswerRequest {
     case none
@@ -45,6 +46,8 @@ struct CheetahApp: App {
     
     var extensionState = BrowserExtensionState()
     
+    let updaterController = SPUStandardUpdaterController(startingUpdater: true, updaterDelegate: nil, userDriverDelegate: nil)
+    
     func start() async {
         viewModel.devices = try! CaptureDevice.devices
         
@@ -118,6 +121,9 @@ struct CheetahApp: App {
         .windowResizability(.contentSize)
         .windowStyle(.hiddenTitleBar)
         .commands {
+            CommandGroup(after: .appInfo) {
+                CheckForUpdatesView(updater: updaterController.updater)
+            }
             CommandGroup(replacing: .appSettings) {
                 Button(action: {
                     viewModel.authToken = nil

Cheetah/Info.plist

@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict/>
+<dict>
+	<key>SUFeedURL</key>
+	<string>https://cheetah-sw-update.leetcodemafia.com/appcast.xml</string>
+	<key>SUPublicEDKey</key>
+	<string>30J/+sJRxhziFhK63Xe6OY5kjwF5tG7klmntA0XIGNM=</string>
+	<key>SUEnableSystemProfiling</key>
+	<true/>
+</dict>
 </plist>

Cheetah/Sparkle.swift

@@ -0,0 +1,32 @@
+import SwiftUI
+import Sparkle
+
+// This view model class publishes when new updates can be checked by the user
+final class CheckForUpdatesViewModel: ObservableObject {
+    @Published var canCheckForUpdates = false
+
+    init(updater: SPUUpdater) {
+        updater.publisher(for: \.canCheckForUpdates)
+            .assign(to: &$canCheckForUpdates)
+    }
+}
+
+// This is the view for the Check for Updates menu item
+// Note this intermediate view is necessary for the disabled state on the menu item to work properly before Monterey.
+// See https://stackoverflow.com/questions/68553092/menu-not-updating-swiftui-bug for more info
+struct CheckForUpdatesView: View {
+    @ObservedObject private var checkForUpdatesViewModel: CheckForUpdatesViewModel
+    private let updater: SPUUpdater
+    
+    init(updater: SPUUpdater) {
+        self.updater = updater
+        
+        // Create our view model for our CheckForUpdatesView
+        self.checkForUpdatesViewModel = CheckForUpdatesViewModel(updater: updater)
+    }
+    
+    var body: some View {
+        Button("Check for Updates…", action: updater.checkForUpdates)
+            .disabled(!checkForUpdatesViewModel.canCheckForUpdates)
+    }
+}