Fix output for verbint.

Author: cincuranet

src/FirebirdSql.Data.FirebirdClient.Tests/FbServicesTests.cs

@@ -90,12 +90,12 @@ public async Task BackupRestoreVerbIntTest()
 		var connectionString = csb.ToString();
 		await BackupPartHelper(backupName, connectionString, x =>
 		{
-			x.Verbose = true;
+			x.Verbose = false;
 			x.VerboseInterval = 1_000_000;
 		});
 		await RestorePartHelper(backupName, connectionString, x =>
 		{
-			x.Verbose = true;
+			x.Verbose = false;
 			x.VerboseInterval = 1_000_000;
 		});
 		// test the database was actually restored fine

src/FirebirdSql.Data.FirebirdClient/Services/FbBackup.cs

@@ -71,7 +71,7 @@ public void Execute()
 				if (ConnectionStringOptions.ParallelWorkers > 0)
 					startSpb.Append(IscCodes.isc_spb_bkp_parallel_workers, ConnectionStringOptions.ParallelWorkers);
 				StartTask(startSpb);
-				if (Verbose)
+				if (Verbose || VerboseInterval.HasValue)
 				{
 					ProcessServiceOutput(new ServiceParameterBuffer2(Service.ParameterBufferEncoding));
 				}
@@ -106,6 +106,8 @@ public async Task ExecuteAsync(CancellationToken cancellationToken = default)
 				}
 				if (Verbose)
 					startSpb.Append(IscCodes.isc_spb_verbose);
+				if (VerboseInterval.HasValue)
+					startSpb.Append(IscCodes.isc_spb_verbint, (int)VerboseInterval);
 				if (Factor > 0)
 					startSpb.Append(IscCodes.isc_spb_bkp_factor, Factor);
 				if (!string.IsNullOrEmpty(SkipData))
@@ -115,7 +117,7 @@ public async Task ExecuteAsync(CancellationToken cancellationToken = default)
 				if (ConnectionStringOptions.ParallelWorkers > 0)
 					startSpb.Append(IscCodes.isc_spb_bkp_parallel_workers, ConnectionStringOptions.ParallelWorkers);
 				await StartTaskAsync(startSpb, cancellationToken).ConfigureAwait(false);
-				if (Verbose)
+				if (Verbose || VerboseInterval.HasValue)
 				{
 					await ProcessServiceOutputAsync(new ServiceParameterBuffer2(Service.ParameterBufferEncoding), cancellationToken).ConfigureAwait(false);
 				}

src/FirebirdSql.Data.FirebirdClient/Services/FbRestore.cs

@@ -86,7 +86,7 @@ public void Execute()
 				if (ConnectionStringOptions.ParallelWorkers > 0)
 					startSpb.Append(IscCodes.isc_spb_res_parallel_workers, ConnectionStringOptions.ParallelWorkers);
 				StartTask(startSpb);
-				if (Verbose)
+				if (Verbose || VerboseInterval.HasValue)
 				{
 					ProcessServiceOutput(new ServiceParameterBuffer2(Service.ParameterBufferEncoding));
 				}
@@ -119,6 +119,8 @@ public async Task ExecuteAsync(CancellationToken cancellationToken = default)
 				startSpb.Append2(IscCodes.isc_spb_dbname, ConnectionStringOptions.Database);
 				if (Verbose)
 					startSpb.Append(IscCodes.isc_spb_verbose);
+				if (VerboseInterval.HasValue)
+					startSpb.Append(IscCodes.isc_spb_verbint, (int)VerboseInterval);
 				if (PageBuffers.HasValue)
 					startSpb.Append(IscCodes.isc_spb_res_buffers, (int)PageBuffers);
 				if (_pageSize.HasValue)
@@ -131,7 +133,7 @@ public async Task ExecuteAsync(CancellationToken cancellationToken = default)
 				if (ConnectionStringOptions.ParallelWorkers > 0)
 					startSpb.Append(IscCodes.isc_spb_res_parallel_workers, ConnectionStringOptions.ParallelWorkers);
 				await StartTaskAsync(startSpb, cancellationToken).ConfigureAwait(false);
-				if (Verbose)
+				if (Verbose || VerboseInterval.HasValue)
 				{
 					await ProcessServiceOutputAsync(new ServiceParameterBuffer2(Service.ParameterBufferEncoding), cancellationToken).ConfigureAwait(false);
 				}

src/FirebirdSql.Data.FirebirdClient/Services/FbStreamingRestore.cs

@@ -109,9 +109,9 @@ public async Task ExecuteAsync(CancellationToken cancellationToken = default)
 				startSpb.Append2(IscCodes.isc_spb_bkp_file, "stdin");
 				startSpb.Append2(IscCodes.isc_spb_dbname, ConnectionStringOptions.Database);
 				if (Verbose)
-				{
 					startSpb.Append(IscCodes.isc_spb_verbose);
-				}
+				if (VerboseInterval.HasValue)
+					startSpb.Append(IscCodes.isc_spb_verbint, (int)VerboseInterval);
 				if (PageBuffers.HasValue)
 					startSpb.Append(IscCodes.isc_spb_res_buffers, (int)PageBuffers);
 				if (_pageSize.HasValue)