Reorganize command structure

Author: chrisyarbrough

dotnet/ucll/Program.cs

@@ -1,50 +1,69 @@
 var app = new CommandApp();
+
 app.Configure(config =>
 {
 	config.SetApplicationName("ucll");
 	config.SetApplicationVersion("1.0.0");
 
-	config.AddCommand<OpenCommand>("open")
-		.WithDescription("Open Unity Editor for a project search path or via recent projects prompt")
-		.WithExample("open")
-		.WithExample("open", ".")
-		.WithExample("open", "path/to/project")
-		.WithExample("open", "path/to/project", "--", "-batchmode", "-quit");
+	config.AddCommand<OpenCommand>("open").ConfigureOpen();
+
+	config.AddBranch("project", command =>
+	{
+		command.SetDescription("Manage Unity projects");
+
+		command.AddCommand<OpenCommand>("open").ConfigureOpen(parentName: "project");
 
-	config.AddCommand<InstallCommand>("install")
-		.WithDescription("Install Unity Editor version")
-		.WithExample("install", "2022.3.10f1")
-		.WithExample("install", "2022.3.10f1", "ff3792e53c62")
-		.WithExample("install", "2022.3.10f1", "--", "--module", "android");
+		command.AddCommand<ProjectVersionCommand>("version")
+			.WithDescription("Get Unity version from project search directory or ProjectVersion.txt")
+			.WithExample("project", "version", "path");
+	});
 
 	config.AddBranch("editor", command =>
 	{
+		command.SetDescription("Manage a specific Unity Editor");
+
+		command.AddCommand<InstallCommand>("install")
+			.WithDescription("Install Unity Editor version")
+			.WithExample("editor", "install", "2022.3.10f1")
+			.WithExample("editor", "install", "2022.3.10f1", "ff3792e53c62")
+			.WithExample("editor", "install", "2022.3.10f1", "--", "--module", "android");
+
 		command.AddCommand<EditorRevisionCommand>("revision")
 			.WithDescription("Get revision for Unity version")
 			.WithExample("editor", "revision", "2022.3.10f1");
 
 		command.AddCommand<EditorPathCommand>("path")
 			.WithDescription("Get installation path for Unity version")
 			.WithExample("editor", "path", "2022.3.10f1");
-	});
 
-	config.AddCommand<ProjectVersionCommand>("project-version")
-		.WithDescription("Get Unity version from project search directory or ProjectVersion.txt")
-		.WithExample("project-version", "path");
+		command.AddCommand<InstallationsUsedCommand>("used")
+			.WithDescription("Find all projects using a specific Unity version")
+			.WithExample("editor", "used", "2022.3.10f1");
+	});
 
-	config.AddBranch("installations", installations =>
+	config.AddBranch("editors", command =>
 	{
-		installations.SetDescription("Manage and view Unity Editor installations");
+		command.SetDescription("Manage all installed Unity Editors");
 
-		installations.AddCommand<InstallationsOverviewCommand>("overview")
+		command.AddCommand<InstallationsOverviewCommand>("list")
 			.WithDescription("List installed Unity Editor versions")
-			.WithExample("installations", "overview")
-			.WithExample("installations", "overview", "--parseable");
-
-		installations.AddCommand<InstallationsUsedCommand>("used")
-			.WithDescription("Find all projects using a specific Unity version")
-			.WithExample("installations", "used", "2022.3.10f1");
+			.WithExample("editors", "list")
+			.WithExample("editors", "list", "--parseable");
 	});
 });
 
-return app.Run(args);
+return app.Run(args);
+
+static class ICommandConfigurationExtensions
+{
+	public static void ConfigureOpen(this ICommandConfigurator command, string? parentName = null)
+	{
+		string[] MakeExample(params string[] args) => parentName == null ? args : [parentName, ..args];
+
+		command.WithDescription("Open Unity Editor for a project search path or via recent projects prompt")
+			.WithExample(MakeExample("open"))
+			.WithExample(MakeExample("open", "."))
+			.WithExample(MakeExample("open", "path/to/project"))
+			.WithExample(MakeExample("open", "path/to/project", "--", "-batchmode", "-quit"));
+	}
+}