build: initial project release

src/process.dummy.app/_commands/ExitCommand.cs

@@ -0,0 +1,21 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+using Spectre.Console.Cli;
+
+internal sealed class ExitCommand : AsyncCommand<ExitCommand.Settings>
+{
+	public sealed class Settings : CommandSettings
+	{
+		[CommandArgument(1, "<code>")] public int Code { get; init; }
+	}
+
+	public override async Task<int> ExecuteAsync(CommandContext context, Settings settings, CancellationToken cancellationToken)
+	{
+		using var output = Output.Connect();
+
+		await output.Stderr.WriteLineAsync($"Exit code set to {settings.Code}");
+
+		return settings.Code;
+	}
+}