cli: add info to alpha context

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/good-islands-drive.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Added `info` object to the context of the alpha CLI.

packages/cli/cli-report.backstage-cli-alpha.md

@@ -56,12 +56,11 @@ Commands:
 ### `backstage-cli-alpha config docs`
 
 ```
-Usage: <none>
+Usage: backstage-cli config docs [options]
 
 Options:
-  --help
-  --package
-  --version
+  --package <name>
+  -h, --help
 ```
 
 ### `backstage-cli-alpha config schema`

packages/cli/src/modules/config/alpha.ts

@@ -40,22 +40,21 @@ export default createCliPlugin({
     reg.addCommand({
       path: ['config', 'docs'],
       description: 'Browse the configuration reference documentation',
-      execute: async ({ args }) => {
-        const argv = await yargs
-          .options({
-            package: { type: 'string' },
-          })
-          .help()
-          .parse(args);
-        const m =
-          (await require('./commands/docs')) as typeof import('./commands/docs');
-        await m.default(argv);
+      execute: async ({ args, info }) => {
+        await new Command(info.usage)
+          .option(
+            '--package <name>',
+            'Only include the schema that applies to the given package',
+          )
+          .description(info.description)
+          .action(lazy(() => import('./commands/docs'), 'default'))
+          .parseAsync(args, { from: 'user' });
       },
     });
     reg.addCommand({
       path: ['config:print'],
       description: 'Print the app configuration for the current package',
-      execute: async ({ args }) => {
+      execute: async ({ args, info }) => {
         const argv = await yargs
           .options({
             package: { type: 'string' },
@@ -65,6 +64,7 @@ export default createCliPlugin({
             format: { type: 'string' },
             config: { type: 'string', array: true },
           })
+          .usage(`$0 ${info.usageWithoutProgram}`, info.description)
           .help()
           .parse(args);
         const m =

packages/cli/src/wiring/CliInitializer.ts

@@ -62,9 +62,11 @@ export class CliInitializer {
   async run() {
     await this.#doInit();
 
+    const programName = 'backstage-cli';
+
     const program = new Command();
     program
-      .name('backstage-cli')
+      .name(programName)
       .version(version)
       .allowUnknownOption(true)
       .allowExcessArguments(true);
@@ -117,6 +119,11 @@ export class CliInitializer {
               }
               await node.command.execute({
                 args: [...positionalArgs, ...args.unknown],
+                info: {
+                  usage: [programName, ...node.command.path].join(' '),
+                  usageWithoutProgram: node.command.path.join(' '),
+                  description: node.command.description,
+                },
               });
               process.exit(0);
             } catch (error) {

packages/cli/src/wiring/types.ts

@@ -19,7 +19,23 @@ export interface BackstageCommand {
   path: string[];
   description: string;
   deprecated?: boolean;
-  execute: (options: { args: string[] }) => Promise<void>;
+  execute: (context: {
+    args: string[];
+    info: {
+      /**
+       * The usage string of the current command, for example: "backstage-cli repo test"
+       */
+      usage: string;
+      /**
+       * The usage string of the current command, without the program name, for example: "repo test"
+       */
+      usageWithoutProgram: string;
+      /**
+       * The description provided for the command
+       */
+      description: string;
+    };
+  }) => Promise<void>;
 }
 
 export interface CliFeature {