Fix start main executable with offline mode

Author: Jakub Szczyrk

Assets/PatchKit Patcher/Scripts/AppData/Local/ILocalMetaData.cs

@@ -44,5 +44,11 @@ public interface ILocalMetaData
         void SetProductKey(string productKey);
 
         string GetProductKey();
+
+        void SetMainExecutableAndArgs(string mainExecutable, string mainExecutableArgs);
+
+        string GetMainExecutable();
+
+        string GetMainExecutableArgs();
     }
 }

Assets/PatchKit Patcher/Scripts/AppData/Local/LocalMetaData.cs

@@ -40,6 +40,12 @@ private struct Data
             [DefaultValue("none")]
             [JsonProperty("product_key_encryption", DefaultValueHandling = DefaultValueHandling.Populate)]
             public string ProductKeyEncryption;
+            
+            [JsonProperty("main_executable")]
+            public string MainExecutable;
+            
+            [JsonProperty("main_executable_args")]
+            public string MainExecutableArgs;
 
             [JsonProperty("_fileVersions")] public Dictionary<string, int> FileVersionIds;
         }
@@ -174,6 +180,24 @@ public string GetProductKey()
         {
             return _data.ProductKey;
         }
+        
+        public void SetMainExecutableAndArgs(string mainExecutable, string mainExecutableArgs)
+        {
+            _data.MainExecutable = mainExecutable;
+            _data.MainExecutableArgs = mainExecutableArgs;
+
+            SaveData();
+        }
+
+        public string GetMainExecutable()
+        {
+            return _data.MainExecutable;
+        }
+
+        public string GetMainExecutableArgs()
+        {
+            return _data.MainExecutableArgs;
+        }
 
         private void CreateDataDir()
         {

Assets/PatchKit Patcher/Scripts/AppStarter.cs

@@ -31,13 +31,16 @@ public AppStarter(App app)
         private string ResolveExecutablePath(AppVersion? appVersion)
         {
             PlatformType platformType = Platform.GetPlatformType();
-
-            if (appVersion.HasValue && 
-                !string.IsNullOrEmpty(appVersion.Value.MainExecutable))
+                string mainExecutable = (appVersion.HasValue &&
+                                     !string.IsNullOrEmpty(appVersion.Value.MainExecutable))
+                ? appVersion.Value.MainExecutable
+                : _app.LocalMetaData.GetMainExecutable();
+            
+            if (!string.IsNullOrEmpty(mainExecutable))
             {
                 string executablePath = Path.Combine(
                     _app.LocalDirectory.Path, 
-                    appVersion.Value.MainExecutable);
+                    mainExecutable);
 
                 bool isOSXApp = platformType == PlatformType.OSX &&
                                 executablePath.EndsWith(".app") &&
@@ -97,6 +100,10 @@ private void StartAppVersion(AppVersion? appVersion, string customArgs)
             {
                 appArgs += " " + appVersion.Value.MainExecutableArgs;
             }
+            else
+            {
+                appArgs += " " + _app.LocalMetaData.GetMainExecutableArgs();
+            }
 
             if (appFilePath == null)
             {

Assets/PatchKit Patcher/Scripts/Patcher.cs

@@ -899,6 +899,10 @@ private void ThreadUpdateApp(bool automatically, CancellationToken cancellationT
             {
                 _appInfo.Value = _app.RemoteMetaData.GetAppInfo(!automatically, _updateAppCancellationTokenSource.Token);
                 _remoteVersionId.Value = _app.GetLatestVersionId(!automatically, _updateAppCancellationTokenSource.Token);
+                var latestAppVersion =
+                    _app.RemoteMetaData.GetAppVersionInfo(_remoteVersionId.Value.Value, false, cancellationToken);
+                _app.LocalMetaData.SetMainExecutableAndArgs(latestAppVersion.MainExecutable, latestAppVersion.MainExecutableArgs);
+                
                 if (_app.IsFullyInstalled())
                 {
                     _localVersionId.Value = _app.GetInstalledVersionId();