Add an extra validation for when both AWS region and use github stora…

…ge are provided

src/OctoshiftCLI.Tests/bbs2gh/Commands/GenerateScript/GenerateScriptCommandArgsTests.cs

@@ -49,4 +49,17 @@ public void It_Throws_If_Both_AwsBucketName_And_UseGithubStorage_Are_Provided()
             .WithMessage("The --use-github-storage flag was provided with an AWS S3 Bucket name. Archive cannot be uploaded to both locations.");
     }
 
+    [Fact]
+    public void It_Throws_If_Both_AwsRegion_And_UseGithubStorage_Are_Provided()
+    {
+        // Arrange
+        _args.AwsRegion = "aws-region";
+        _args.UseGithubStorage = true;
+
+        // Act & Assert
+        _args.Invoking(x => x.Validate(_mockOctoLogger.Object))
+            .Should()
+            .ThrowExactly<OctoshiftCliException>()
+            .WithMessage("The --use-github-storage flag was provided with an AWS S3 region. Archive cannot be uploaded to both locations.");
+    }
 }

src/bbs2gh/Commands/GenerateScript/GenerateScriptCommandArgs.cs

@@ -41,6 +41,11 @@ public override void Validate(OctoLogger log)
             throw new OctoshiftCliException("The --use-github-storage flag was provided with an AWS S3 Bucket name. Archive cannot be uploaded to both locations.");
         }
 
+        if (AwsRegion.HasValue() && UseGithubStorage)
+        {
+            throw new OctoshiftCliException("The --use-github-storage flag was provided with an AWS S3 region. Archive cannot be uploaded to both locations.");
+        }
+
         if (SshPort == 7999)
         {
             log?.LogWarning("--ssh-port is set to 7999, which is the default port that Bitbucket Server and Bitbucket Data Center use for Git operations over SSH. This is probably the wrong value, because --ssh-port should be configured with the SSH port used to manage the server where Bitbucket Server/Bitbucket Data Center is running, not the port used for Git operations over SSH.");