utmctl: verbose response on error

Platform/macOS/AppDelegate.swift

@@ -27,14 +27,6 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         return vmList.contains(where: { $0.state == .vmStarted || ($0.state == .vmPaused && !$0.hasSaveState) })
     }
     
-    private var isLaunchedByCLI: Bool {
-        if CommandLine.arguments.count > 1 && CommandLine.arguments[1] == "cli-request" {
-            return true
-        } else {
-            return false
-        }
-    }
-    
     @MainActor
     @objc var scriptingVirtualMachines: [UTMScriptingVirtualMachineImpl] {
         guard let data = data else {
@@ -107,9 +99,6 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         if isDockIconHidden {
             NSApp.setActivationPolicy(.accessory)
         }
-        if isLaunchedByCLI && isKeepRunningAfterLastWindowClosed {
-            NSApp.windows.first?.close()
-        }
     }
     
     func application(_ sender: NSApplication, delegateHandlesKey key: String) -> Bool {

UTM.xcodeproj/project.pbxproj

@@ -268,7 +268,6 @@
 		84E3A8F3293DB37E0024A740 /* UTMCtl.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E3A8F2293DB37E0024A740 /* UTMCtl.swift */; };
 		84E3A8FB293DB7240024A740 /* utmctl in Embed CLI Tool */ = {isa = PBXBuildFile; fileRef = 84E3A8F0293DB37E0024A740 /* utmctl */; };
 		84E3A900293DBC290024A740 /* ArgumentParser in Frameworks */ = {isa = PBXBuildFile; productRef = 84E3A8FF293DBC290024A740 /* ArgumentParser */; };
-		84E3A911294469B10024A740 /* Logging in Frameworks */ = {isa = PBXBuildFile; productRef = 84E3A910294469B10024A740 /* Logging */; };
 		84E3A91B2946D2590024A740 /* UTMMenuBarExtraScene.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E3A91A2946D2590024A740 /* UTMMenuBarExtraScene.swift */; };
 		84E6F6FD289319AE00080EEF /* VMToolbarDisplayMenuView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E6F6FC289319AE00080EEF /* VMToolbarDisplayMenuView.swift */; };
 		84E6F6FE289319AE00080EEF /* VMToolbarDisplayMenuView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84E6F6FC289319AE00080EEF /* VMToolbarDisplayMenuView.swift */; };
@@ -2334,7 +2333,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				84E3A911294469B10024A740 /* Logging in Frameworks */,
 				84E3A900293DBC290024A740 /* ArgumentParser in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -3430,7 +3428,6 @@
 			name = utmctl;
 			packageProductDependencies = (
 				84E3A8FF293DBC290024A740 /* ArgumentParser */,
-				84E3A910294469B10024A740 /* Logging */,
 			);
 			productName = utmctl;
 			productReference = 84E3A8F0293DB37E0024A740 /* utmctl */;
@@ -5522,11 +5519,6 @@
 			package = 84E3A8FE293DBC290024A740 /* XCRemoteSwiftPackageReference "swift-argument-parser" */;
 			productName = ArgumentParser;
 		};
-		84E3A910294469B10024A740 /* Logging */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = CE020BA524AEDEF000B44AB6 /* XCRemoteSwiftPackageReference "swift-log" */;
-			productName = Logging;
-		};
 		85EC515B27CC74AA004A51DE /* Logging */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = CE020BA524AEDEF000B44AB6 /* XCRemoteSwiftPackageReference "swift-log" */;

utmctl/UTMCtl.swift

@@ -17,13 +17,8 @@
 import Foundation
 import AppKit
 import ArgumentParser
-import Logging
 import ScriptingBridge
 
-var logger = Logger(label: "com.utmapp.utmctl") { label in
-    StreamLogHandler.standardError(label: label)
-}
-
 @main
 struct UTMCtl: ParsableCommand {
     static var configuration = CommandConfiguration(
@@ -43,10 +38,10 @@ protocol UTMAPICommand: ParsableCommand {
 extension UTMAPICommand {
     /// Entry point for all subcommands
     func run() throws {
-        logger.logLevel = environment.debug ? .debug : .info
         guard let utmApp = SBApplication(url: utmAppUrl) else {
             throw UTMCtl.APIError.applicationNotFound
         }
+        utmApp.launchFlags = [.defaults, .andHide]
         utmApp.delegate = UTMCtl.EventErrorHandler.shared
         try run(with: utmApp)
     }
@@ -86,7 +81,10 @@ extension UTMCtl {
         ///   - error: Error
         /// - Returns: nil
         func eventDidFail(_ event: UnsafePointer<AppleEvent>, withError error: Error) -> Any? {
-            logger.error("Error from event: \(error.localizedDescription)")
+            FileHandle.standardError.write("Error from event: \(error.localizedDescription)")
+            if let user = (error as NSError).userInfo["ErrorString"] as? String {
+                FileHandle.standardError.write(user)
+            }
             return nil
         }
     }
@@ -323,12 +321,6 @@ extension UTMCtl {
     struct EnvironmentOptions: ParsableArguments {
         @Flag(name: .shortAndLong, help: "Show debug logging.")
         var debug: Bool = false
-        
-        @Flag(name: .shortAndLong, help: "Output results in JSON.")
-        var machineReadable: Bool = false
-        
-        @Option(help: "Specify a custom path to the UTM API server socket.")
-        var socketPath: String?
     }
 }
 
@@ -337,3 +329,13 @@ private extension String {
         URL(fileURLWithPath: self, relativeTo: nil)
     }
 }
+
+extension FileHandle: TextOutputStream {
+    private static var newLine = Data("\n".utf8)
+    
+    public func write(_ string: String) {
+        let data = Data(string.utf8)
+        self.write(data)
+        self.write(Self.newLine)
+    }
+}