[AltServer] Adds option to Launch at Login

Carthage/Checkouts/LaunchAtLogin/LaunchAtLoginHelper/main.swift

@@ -0,0 +1,25 @@
+import Cocoa
+
+final class AppDelegate: NSObject, NSApplicationDelegate {
+	func applicationDidFinishLaunching(_ notification: Notification) {
+		let bundleId = Bundle.main.bundleIdentifier!
+		// TODO: Make this more strict by only replacing at the end
+		let mainBundleId = bundleId.replacingOccurrences(of: "-LaunchAtLoginHelper", with: "")
+
+		// Ensure the app is not already running
+		guard NSRunningApplication.runningApplications(withBundleIdentifier: mainBundleId).isEmpty else {
+			NSApp.terminate(nil)
+			return
+		}
+
+		let pathComponents = (Bundle.main.bundlePath as NSString).pathComponents
+		let mainPath = NSString.path(withComponents: Array(pathComponents[0...(pathComponents.count - 5)]))
+		NSWorkspace.shared.launchApplication(mainPath)
+		NSApp.terminate(nil)
+	}
+}
+
+private let app = NSApplication.shared
+private let delegate = AppDelegate()
+app.delegate = delegate
+app.run()