Fix: suggest upgrade version for project with missing Unity installation (#192)

Author: unitycoder

UnityLauncherPro/Tools.cs

@@ -413,14 +413,14 @@ static bool CheckCrashBackupScene(string projectPath)
                     {
                         Int32 unixTimestamp = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
                         var uniqueFileName = "Recovered_Scene" + unixTimestamp + ".unity";
-                        
+
                         try
                         {
                             File.Move(recoveryFile, Path.Combine(restoreFolder, uniqueFileName));
                             // remove folder, otherwise unity 6000.2 asks for recovery
                             Directory.Delete(Path.Combine(projectPath, "Temp", "__Backupscenes"), true);
 
-                            Console.WriteLine("moved file to "+ uniqueFileName);
+                            Console.WriteLine("moved file to " + uniqueFileName);
                         }
                         catch (IOException)
                         {
@@ -1130,8 +1130,7 @@ public static string FindNearestVersion(string currentVersion, List<string> allA
             string result = null;
 
             // add current version to list, to sort it with others
-            if (!allAvailable.Contains(currentVersion))
-                allAvailable.Add(currentVersion);
+            if (!allAvailable.Contains(currentVersion)) allAvailable.Add(currentVersion);
 
             // sort list
             if (checkBelow)
@@ -1181,6 +1180,7 @@ public static long VersionAsLong(string version)
                     multiplier *= 50;
                 }
             }
+
             return result;
         }
 

UnityLauncherPro/UpgradeWindow.xaml.cs

@@ -37,10 +37,11 @@ public UpgradeWindow(string currentVersion, string projectPath, string commandLi
                 txtCurrentVersion.BorderBrush = Brushes.Red;
                 txtCurrentVersion.BorderThickness = new Thickness(1);
             }
-            else // not null
+
+            if (currentVersion != null)
             {
                 // remove china c1 from version
-                if (currentVersion.Contains('c')) currentVersion = currentVersion.Replace("c1", "");
+                if (currentVersion.Contains("c")) currentVersion = currentVersion.Replace("c1", "");
                 // find nearest version
                 string nearestVersion = Tools.FindNearestVersion(currentVersion, MainWindow.unityInstalledVersions.Keys.ToList());