Fix runtime downloading

Xcodes/Backend/AppState+Runtimes.swift

@@ -57,6 +57,9 @@ extension AppState {
                         self.setInstallationStep(of: runtime, to: .installing)
                     }
                     switch runtime.contentType {
+                    case .cryptexDiskImage:
+                        // not supported yet (do we need to for old packages?)
+                        throw "Installing via cryptexDiskImage not support - please install manually from \(downloadedURL.description)"
                     case .package:
                         // not supported yet (do we need to for old packages?)
                         throw "Installing via package not support - please install manually from \(downloadedURL.description)"
@@ -80,19 +83,31 @@ extension AppState {
                 Logger.appState.error("Error downloading runtime: \(error.localizedDescription)")
                 DispatchQueue.main.async {
                     self.error = error
-                    self.presentedAlert = .generic(title: localizeString("Alert.Install.Error.Title"), message: error.legibleLocalizedDescription)
+                    if let error = error as? String {
+                        self.presentedAlert = .generic(title: localizeString("Alert.Install.Error.Title"), message: error)
+                    } else {
+                        self.presentedAlert = .generic(title: localizeString("Alert.Install.Error.Title"), message: error.legibleLocalizedDescription)
+                    }
                 }
             }
         }
     }
 
     func downloadRunTimeFull(runtime: DownloadableRuntime) async throws -> URL {
+        guard let source = runtime.source else {
+            throw "Invalid runtime source"
+        }
+
+        guard let downloadPath = runtime.downloadPath else {
+            throw "Invalid runtime downloadPath"
+        }
+
         // sets a proper cookie for runtimes
-        try await validateADCSession(path: runtime.downloadPath)
+        try await validateADCSession(path: downloadPath)
 
         let downloader = Downloader(rawValue: UserDefaults.standard.string(forKey: "downloader") ?? "aria2") ?? .aria2
 
-        let url = URL(string: runtime.source)!
+        let url = URL(string: source)!
         let expectedRuntimePath = Path.xcodesApplicationSupport/"\(url.lastPathComponent)"
         // aria2 downloads directly to the destination (instead of into /tmp first) so we need to make sure that the download isn't incomplete
         let aria2DownloadMetadataPath = expectedRuntimePath.parent/(expectedRuntimePath.basename() + ".aria2")
@@ -123,9 +138,15 @@ extension AppState {
     }
 
     public func downloadRuntimeWithAria2(_ runtime: DownloadableRuntime, to destination: Path, aria2Path: Path) -> AsyncThrowingStream<Progress, Error> {
-        let cookies = AppleAPI.Current.network.session.configuration.httpCookieStorage?.cookies(for: runtime.url) ?? []
+        guard let url = runtime.url else {
+            return AsyncThrowingStream<Progress, Error> { continuation in
+                continuation.finish(throwing: "Invalid or non existant runtime url")
+            }
+        }
+
+        let cookies = AppleAPI.Current.network.session.configuration.httpCookieStorage?.cookies(for: url) ?? []
 
-        return Current.shell.downloadWithAria2Async(aria2Path, runtime.url, destination, cookies)
+        return Current.shell.downloadWithAria2Async(aria2Path, url, destination, cookies)
     }
 
 
@@ -140,7 +161,10 @@ extension AppState {
         runtimePublishers[runtime.identifier] = nil
 
         // If the download is cancelled by the user, clean up the download files that aria2 creates.
-        let url = URL(string: runtime.source)!
+        guard let source = runtime.source else {
+            return
+        }
+        let url = URL(string: source)!
         let expectedRuntimePath = Path.xcodesApplicationSupport/"\(url.lastPathComponent)"
         let aria2DownloadMetadataPath = expectedRuntimePath.parent/(expectedRuntimePath.basename() + ".aria2")
 

Xcodes/XcodesKit/Sources/XcodesKit/Models/Runtimes/Runtimes.swift

@@ -11,7 +11,7 @@ public struct DownloadableRuntimesResponse: Codable {
 public struct DownloadableRuntime: Codable, Identifiable, Hashable {
     public let category: Category
     public let simulatorVersion: SimulatorVersion
-    public let source: String
+    public let source: String?
     public let dictionaryVersion: Int
     public let contentType: ContentType
     public let platform: Platform
@@ -21,11 +21,14 @@ public struct DownloadableRuntime: Codable, Identifiable, Hashable {
     public let hostRequirements: HostRequirements?
     public let name: String
     public let authentication: Authentication?
-    public var url: URL {
-        return URL(string: source)!
+    public var url: URL? {
+        if let source {
+            return URL(string: source)!
+        }
+        return nil
     }
-    public var downloadPath: String {
-        url.path
+    public var downloadPath: String? {
+        url?.path
     }
 
     // dynamically updated - not decoded
@@ -117,6 +120,7 @@ extension DownloadableRuntime {
     public enum ContentType: String, Codable {
         case diskImage = "diskImage"
         case package = "package"
+        case cryptexDiskImage = "cryptexDiskImage"
     }
 
     public enum Platform: String, Codable {

Xcodes/XcodesKit/Sources/XcodesKit/Services/RuntimeService.swift

@@ -22,9 +22,14 @@ public struct RuntimeService {
 
         // Apple gives a plist for download
         let (data, _) = try await networkService.requestData(urlRequest, validators: [])
-        let decodedResponse = try PropertyListDecoder().decode(DownloadableRuntimesResponse.self, from: data)
-
-        return decodedResponse
+        do {
+            let decodedResponse = try PropertyListDecoder().decode(DownloadableRuntimesResponse.self, from: data)
+            return decodedResponse
+        } catch {
+            print("error: \(error)")
+            throw error
+        }
+
     }
 
     public func installedRuntimes() async throws -> [InstalledRuntime] {