Cleanup 2

Author: tobias-tengler

src/Nitro/CommandLine/src/CommandLine/Commands/Fusion/FusionPublishHelpers.cs

@@ -177,14 +177,18 @@ public static async Task<FusionSourceSchemaArchive> DownloadSourceSchemaArchiveA
 
         var response = await httpClient.SendAsync(request, cancellationToken);
 
-        if (response.StatusCode == HttpStatusCode.NotFound)
+        if (response.StatusCode is HttpStatusCode.Unauthorized or HttpStatusCode.Forbidden)
         {
-            // TODO: Properly handle
+            throw new ExitException(
+                $"Got a HTTP {response.StatusCode} while attempting to download source schema '{sourceSchemaName}' in version '{sourceSchemaVersion}'. "
+                + "Make sure that you have the proper credentials / permissions to execute this command.");
         }
 
-        if (response.StatusCode == HttpStatusCode.Unauthorized)
+        if (response.StatusCode is HttpStatusCode.NotFound)
         {
-            // TODO: Properly handle
+            throw new ExitException(
+                $"Got a HTTP {HttpStatusCode.NotFound} while attempting to download source schema '{sourceSchemaName}' in version '{sourceSchemaVersion}'. "
+                + "Make sure you've properly uploaded a source schema version before running this command.");
         }
 
         response.EnsureSuccessStatusCode();

src/Nitro/CommandLine/src/CommandLine/Commands/Fusion/FusionValidateCommand.cs

@@ -28,6 +28,24 @@ public FusionValidateCommand() : base("validate")
         AddOption(Opt<SourceSchemaFileListOption>.Instance);
         this.AddNitroCloudDefaultOptions();
 
+        AddValidator(result =>
+        {
+            var exclusiveOptionsCount = new[]
+            {
+                result.FindResultFor(Opt<SourceSchemaFileListOption>.Instance) is not null,
+                result.FindResultFor(archiveOption) is not null
+            }.Count(x => x);
+
+            if (exclusiveOptionsCount > 1)
+            {
+                result.ErrorMessage = "You can only specify one of: '--source-schema-file' or '--archive'.";
+            }
+            else if (exclusiveOptionsCount < 1)
+            {
+                result.ErrorMessage = "You need to specify one of: '--source-schema-file' or '--archive'.";
+            }
+        });
+
         this.SetHandler(
             ExecuteAsync,
             Opt<StageNameOption>.Instance,
@@ -52,11 +70,6 @@ private static async Task<int> ExecuteAsync(
     {
         console.Title($"Validate against {stageName.EscapeMarkup()}");
 
-        if (archiveFile is not null && sourceSchemaFiles.Count > 0)
-        {
-            throw new ExitException("You can not specify both '--source-schema-file' and '--archive'.");
-        }
-
         var isValid = false;
 
         if (console.IsHumanReadable())