Merge pull request #33355 from backstage/rugvip/cli-plugin-api

cli: add CLI module plugin API and auto-discovery

packages/cli-defaults/.eslintrc.js

@@ -0,0 +1 @@
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

packages/cli-defaults/README.md

@@ -0,0 +1,26 @@
+# @backstage/cli-defaults
+
+The default set of CLI modules for the Backstage CLI. Installing this single package provides all standard CLI commands without needing to list each module individually.
+
+## Included Modules
+
+| Module                                                             | Description                              |
+| :----------------------------------------------------------------- | :--------------------------------------- |
+| [`@backstage/cli-module-auth`](../cli-module-auth)                 | Authentication commands                  |
+| [`@backstage/cli-module-build`](../cli-module-build)               | Build, start, and packaging commands     |
+| [`@backstage/cli-module-config`](../cli-module-config)             | Configuration inspection commands        |
+| [`@backstage/cli-module-github`](../cli-module-github)             | GitHub App creation                      |
+| [`@backstage/cli-module-info`](../cli-module-info)                 | Environment and dependency info          |
+| [`@backstage/cli-module-lint`](../cli-module-lint)                 | Linting commands                         |
+| [`@backstage/cli-module-maintenance`](../cli-module-maintenance)   | Repository maintenance commands          |
+| [`@backstage/cli-module-migrate`](../cli-module-migrate)           | Migration and version management         |
+| [`@backstage/cli-module-new`](../cli-module-new)                   | Scaffolding for new plugins and packages |
+| [`@backstage/cli-module-test-jest`](../cli-module-test-jest)       | Jest-based testing commands              |
+| [`@backstage/cli-module-translations`](../cli-module-translations) | Translation management commands          |
+
+For fine-grained control over which CLI commands are available, you can install individual modules instead.
+
+## Documentation
+
+- [Backstage Readme](https://github.com/backstage/backstage/blob/master/README.md)
+- [Backstage Documentation](https://backstage.io/docs)

packages/cli-defaults/catalog-info.yaml

@@ -0,0 +1,10 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: backstage-cli-defaults
+  title: '@backstage/cli-defaults'
+  description: Default set of CLI modules for the Backstage CLI
+spec:
+  lifecycle: experimental
+  type: backstage-cli-module
+  owner: tooling-maintainers

packages/cli-defaults/package.json

@@ -0,0 +1,48 @@
+{
+  "name": "@backstage/cli-defaults",
+  "version": "0.0.0",
+  "description": "Default set of CLI modules for the Backstage CLI",
+  "backstage": {
+    "role": "cli-module"
+  },
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "types": "dist/index.d.ts"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "packages/cli-defaults"
+  },
+  "license": "Apache-2.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "backstage-cli package build",
+    "clean": "backstage-cli package clean",
+    "lint": "backstage-cli package lint",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack"
+  },
+  "dependencies": {
+    "@backstage/cli-module-auth": "workspace:^",
+    "@backstage/cli-module-build": "workspace:^",
+    "@backstage/cli-module-config": "workspace:^",
+    "@backstage/cli-module-github": "workspace:^",
+    "@backstage/cli-module-info": "workspace:^",
+    "@backstage/cli-module-lint": "workspace:^",
+    "@backstage/cli-module-maintenance": "workspace:^",
+    "@backstage/cli-module-migrate": "workspace:^",
+    "@backstage/cli-module-new": "workspace:^",
+    "@backstage/cli-module-test-jest": "workspace:^",
+    "@backstage/cli-module-translations": "workspace:^"
+  },
+  "devDependencies": {
+    "@backstage/cli": "workspace:^"
+  }
+}

packages/cli-defaults/report.api.md

@@ -0,0 +1,13 @@
+## API Report File for "@backstage/cli-defaults"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { CliModule } from '@backstage/cli-node';
+
+// @public
+const _default: CliModule[];
+export default _default;
+
+// (No @packageDocumentation comment for this package)
+```

packages/cli-defaults/src/index.ts

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2025 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import auth from '@backstage/cli-module-auth';
+import build from '@backstage/cli-module-build';
+import config from '@backstage/cli-module-config';
+import github from '@backstage/cli-module-github';
+import info from '@backstage/cli-module-info';
+import lint from '@backstage/cli-module-lint';
+import maintenance from '@backstage/cli-module-maintenance';
+import migrate from '@backstage/cli-module-migrate';
+import newModule from '@backstage/cli-module-new';
+import testJest from '@backstage/cli-module-test-jest';
+import translations from '@backstage/cli-module-translations';
+
+/**
+ * The default set of CLI modules for the Backstage CLI.
+ *
+ * @public
+ */
+export default [
+  auth,
+  build,
+  config,
+  github,
+  info,
+  lint,
+  maintenance,
+  migrate,
+  newModule,
+  testJest,
+  translations,
+];

packages/cli-internal/.eslintrc.js

@@ -0,0 +1 @@
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

packages/cli-internal/catalog-info.yaml

@@ -0,0 +1,9 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: internal-cli
+  title: '@internal/cli'
+spec:
+  lifecycle: experimental
+  type: backstage-node-library
+  owner: tooling-maintainers

packages/cli-internal/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "@internal/cli",
+  "version": "0.0.1",
+  "backstage": {
+    "role": "node-library",
+    "inline": true
+  },
+  "private": true,
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "packages/cli-internal"
+  },
+  "license": "Apache-2.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "lint": "backstage-cli package lint",
+    "test": "backstage-cli package test"
+  },
+  "dependencies": {
+    "@backstage/cli-node": "workspace:^"
+  },
+  "devDependencies": {
+    "@backstage/cli": "workspace:^"
+  }
+}

packages/cli-internal/src/InternalCliModule.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { CliCommand, CliModule } from '@backstage/cli-node';
+import { OpaqueType } from '@internal/opaque';
+
+export const OpaqueCliModule = OpaqueType.create<{
+  public: CliModule;
+  versions: {
+    readonly version: 'v1';
+    readonly packageName: string;
+    readonly commands: Promise<ReadonlyArray<CliCommand>>;
+  };
+}>({
+  type: '@backstage/CliModule',
+  versions: ['v1'],
+});

packages/cli-internal/src/InternalCommandNode.ts

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { CliCommand, CliModule } from '@backstage/cli-node';
+import { OpaqueType } from '@internal/opaque';
+
+/** @internal */
+export interface CommandTreeNode {
+  readonly $$type: '@backstage/CommandTreeNode';
+}
+
+/** @internal */
+export interface CommandLeafNode {
+  readonly $$type: '@backstage/CommandLeafNode';
+}
+
+export type CommandNode = CommandTreeNode | CommandLeafNode;
+
+export const OpaqueCommandTreeNode = OpaqueType.create<{
+  public: CommandTreeNode;
+  versions: {
+    readonly version: 'v1';
+    readonly name: string;
+    readonly children: CommandNode[];
+  };
+}>({
+  type: '@backstage/CommandTreeNode',
+  versions: ['v1'],
+});
+
+export const OpaqueCommandLeafNode = OpaqueType.create<{
+  public: CommandLeafNode;
+  versions: {
+    readonly version: 'v1';
+    readonly name: string;
+    readonly command: CliCommand;
+    readonly module?: CliModule;
+  };
+}>({
+  type: '@backstage/CommandLeafNode',
+  versions: ['v1'],
+});
+
+/**
+ * Checks whether a command node should be hidden from help output.
+ * Leaf nodes are hidden if they are deprecated or experimental.
+ * Tree nodes are hidden if all of their children are hidden.
+ */
+export function isCommandNodeHidden(node: CommandNode): boolean {
+  if (OpaqueCommandLeafNode.isType(node)) {
+    const { command } = OpaqueCommandLeafNode.toInternal(node);
+    return !!command.deprecated || !!command.experimental;
+  }
+  const { children } = OpaqueCommandTreeNode.toInternal(node);
+  return children.every(child => isCommandNodeHidden(child));
+}

packages/cli-internal/src/index.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 The Backstage Authors
+ * Copyright 2024 The Backstage Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-// Single re-export to avoid doing this import in multiple places, but still
-// avoid duplicate declarations because this one is a bit tricky.
-// eslint-disable-next-line @backstage/no-relative-monorepo-imports
-export { describeParentCallSite } from '../../../frontend-plugin-api/src/routing/describeParentCallSite';
+export { OpaqueCliModule } from './InternalCliModule';
+export type {
+  CommandNode,
+  CommandTreeNode,
+  CommandLeafNode,
+} from './InternalCommandNode';
+export {
+  OpaqueCommandTreeNode,
+  OpaqueCommandLeafNode,
+  isCommandNodeHidden,
+} from './InternalCommandNode';

packages/cli-module-auth/.eslintrc.js

@@ -0,0 +1 @@
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);

packages/cli-module-auth/README.md

@@ -0,0 +1,19 @@
+# @backstage/cli-module-auth
+
+CLI module that provides authentication commands for the Backstage CLI, enabling login, logout, and credential management for Backstage instances.
+
+## Commands
+
+| Command            | Description                                              |
+| :----------------- | :------------------------------------------------------- |
+| `auth login`       | Log in the CLI to a Backstage instance                   |
+| `auth logout`      | Log out the CLI and clear stored credentials             |
+| `auth show`        | Show details of an authenticated instance                |
+| `auth list`        | List authenticated instances                             |
+| `auth print-token` | Print an access token to stdout (auto-refresh if needed) |
+| `auth select`      | Select the default instance                              |
+
+## Documentation
+
+- [Backstage Readme](https://github.com/backstage/backstage/blob/master/README.md)
+- [Backstage Documentation](https://backstage.io/docs)

packages/cli-module-auth/bin/backstage-cli-module-auth

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const path = require('node:path');
+
+/* eslint-disable-next-line no-restricted-syntax */
+const isLocal = require('node:fs').existsSync(
+  path.resolve(__dirname, '../src'),
+);
+
+if (isLocal) {
+  require('@backstage/cli-node/config/nodeTransform.cjs');
+}
+
+const { runCliModule } = require('@backstage/cli-node');
+const cliModule = require(isLocal ? '../src/index' : '..').default;
+const pkg = require('../package.json');
+runCliModule({ module: cliModule, name: pkg.name, version: pkg.version });

packages/cli-module-auth/catalog-info.yaml

@@ -0,0 +1,10 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: backstage-cli-module-auth
+  title: '@backstage/cli-module-auth'
+  description: CLI module for Backstage CLI
+spec:
+  lifecycle: experimental
+  type: backstage-cli-module
+  owner: tooling-maintainers

packages/cli-module-auth/cli-report.md

@@ -0,0 +1,96 @@
+## CLI Report file for "@backstage/cli-module-auth"
+
+> Do not edit this file. It is a report generated by `yarn build:api-reports`
+
+### `backstage-cli-module-auth`
+
+```
+Usage: @backstage/cli-module-auth [options] [command]
+
+Options:
+  -V, --version
+  -h, --help
+
+Commands:
+  auth [command]
+  help [command]
+```
+
+### `backstage-cli-module-auth auth`
+
+```
+Usage: @backstage/cli-module-auth auth [options] [command] [command]
+
+Options:
+  -h, --help
+
+Commands:
+  help [command]
+  list
+  login
+  logout
+  print-token
+  select
+  show
+```
+
+### `backstage-cli-module-auth auth list`
+
+```
+Usage: @backstage/cli-module-auth auth list
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli-module-auth auth login`
+
+```
+Usage: @backstage/cli-module-auth auth login
+
+Options:
+  --backend-url <string>
+  --instance <string>
+  --no-browser
+  -h, --help
+```
+
+### `backstage-cli-module-auth auth logout`
+
+```
+Usage: @backstage/cli-module-auth auth logout
+
+Options:
+  --instance <string>
+  -h, --help
+```
+
+### `backstage-cli-module-auth auth print-token`
+
+```
+Usage: @backstage/cli-module-auth auth print-token
+
+Options:
+  --instance <string>
+  -h, --help
+```
+
+### `backstage-cli-module-auth auth select`
+
+```
+Usage: @backstage/cli-module-auth auth select
+
+Options:
+  --instance <string>
+  -h, --help
+```
+
+### `backstage-cli-module-auth auth show`
+
+```
+Usage: @backstage/cli-module-auth auth show
+
+Options:
+  --instance <string>
+  -h, --help
+```

packages/cli-module-auth/package.json

@@ -0,0 +1,56 @@
+{
+  "name": "@backstage/cli-module-auth",
+  "version": "0.0.0",
+  "description": "CLI module for Backstage CLI",
+  "backstage": {
+    "role": "cli-module"
+  },
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "types": "dist/index.d.ts"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "packages/cli-module-auth"
+  },
+  "license": "Apache-2.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "files": [
+    "dist",
+    "bin"
+  ],
+  "scripts": {
+    "build": "backstage-cli package build",
+    "clean": "backstage-cli package clean",
+    "lint": "backstage-cli package lint",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack",
+    "test": "backstage-cli package test"
+  },
+  "dependencies": {
+    "@backstage/cli-node": "workspace:^",
+    "@backstage/errors": "workspace:^",
+    "cleye": "^2.3.0",
+    "cross-fetch": "^4.0.0",
+    "fs-extra": "^11.2.0",
+    "glob": "^7.1.7",
+    "inquirer": "^8.2.0",
+    "proper-lockfile": "^4.1.2",
+    "yaml": "^2.0.0",
+    "zod": "^3.25.76"
+  },
+  "devDependencies": {
+    "@backstage/backend-test-utils": "workspace:^",
+    "@backstage/cli": "workspace:^",
+    "@types/fs-extra": "^11.0.0",
+    "@types/proper-lockfile": "^4"
+  },
+  "optionalDependencies": {
+    "keytar": "^7.9.0"
+  },
+  "bin": "bin/backstage-cli-module-auth"
+}

packages/cli-module-auth/report.api.md

@@ -0,0 +1,13 @@
+## API Report File for "@backstage/cli-module-auth"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { CliModule } from '@backstage/cli-node';
+
+// @public (undocumented)
+const _default: CliModule;
+export default _default;
+
+// (No @packageDocumentation comment for this package)
+```

packages/cli-module-auth/src/commands/list.ts

@@ -15,10 +15,10 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { getAllInstances } from '../lib/storage';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   cli({ help: info }, undefined, args);
 
   const { instances, selected } = await getAllInstances();

packages/cli-module-auth/src/commands/login.ts

@@ -15,7 +15,7 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { startCallbackServer } from '../lib/localServer';
 import { spawn } from 'node:child_process';
 import { challengeFromVerifier, generateVerifier } from '../lib/pkce';
@@ -37,7 +37,7 @@ import inquirer from 'inquirer';
 
 const TOKEN_EXCHANGE_TIMEOUT_MS = 30_000;
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { backendUrl, noBrowser, instance: instanceFlag },
   } = cli(

packages/cli-module-auth/src/commands/logout.ts

@@ -15,7 +15,7 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { getSecretStore } from '../lib/secretStore';
 import {
   removeInstance,
@@ -25,7 +25,7 @@ import {
 import { httpJson } from '../lib/http';
 import { pickInstance } from '../lib/prompt';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { instance: instanceFlag },
   } = cli(

packages/cli-module-auth/src/commands/printToken.ts

@@ -15,12 +15,12 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { accessTokenNeedsRefresh, refreshAccessToken } from '../lib/auth';
 import { getSelectedInstance } from '../lib/storage';
 import { getSecretStore } from '../lib/secretStore';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { instance: instanceFlag },
   } = cli(

packages/cli-module-auth/src/commands/select.ts

@@ -15,11 +15,11 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { setSelectedInstance } from '../lib/storage';
 import { pickInstance } from '../lib/prompt';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { instance: instanceFlag },
   } = cli(

packages/cli-module-auth/src/commands/show.ts

@@ -15,13 +15,13 @@
  */
 
 import { cli } from 'cleye';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 import { httpJson } from '../lib/http';
 import { getSelectedInstance } from '../lib/storage';
 import { accessTokenNeedsRefresh, refreshAccessToken } from '../lib/auth';
 import { getSecretStore } from '../lib/secretStore';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { instance: instanceFlag },
   } = cli(

packages/cli-module-auth/src/index.ts

@@ -14,10 +14,11 @@
  * limitations under the License.
  */
 
-import { createCliPlugin } from '../../wiring/factory';
+import { createCliModule } from '@backstage/cli-node';
+import packageJson from '../package.json';
 
-export default createCliPlugin({
-  pluginId: 'auth',
+export default createCliModule({
+  packageJson,
   init: async reg => {
     reg.addCommand({
       path: ['auth', 'login'],

packages/cli-module-build/.eslintrc.js

@@ -0,0 +1,3 @@
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname, {
+  ignorePatterns: ['config/**', 'templates/**'],
+});

packages/cli-module-build/README.md

@@ -0,0 +1,23 @@
+# @backstage/cli-module-build
+
+CLI module that provides build, start, and packaging commands for the Backstage CLI.
+
+## Commands
+
+| Command            | Description                                                               |
+| :----------------- | :------------------------------------------------------------------------ |
+| `package build`    | Build a package for production deployment or publishing                   |
+| `package start`    | Start a package for local development                                     |
+| `package clean`    | Delete cache directories                                                  |
+| `package prepack`  | Prepares a package for packaging before publishing                        |
+| `package postpack` | Restores the changes made by the prepack command                          |
+| `repo build`       | Build packages in the project, excluding bundled app and backend packages |
+| `repo start`       | Starts packages in the repo for local development                         |
+| `repo clean`       | Delete cache and output directories                                       |
+| `build-workspace`  | Builds a temporary dist workspace from the provided packages              |
+
+## Documentation
+
+- [Backstage Readme](https://github.com/backstage/backstage/blob/master/README.md)
+- [Backstage Documentation](https://backstage.io/docs)
+- [Build System](https://backstage.io/docs/tooling/cli/build-system)

packages/cli-module-build/bin/backstage-cli-module-build

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+const path = require('node:path');
+
+/* eslint-disable-next-line no-restricted-syntax */
+const isLocal = require('node:fs').existsSync(
+  path.resolve(__dirname, '../src'),
+);
+
+if (isLocal) {
+  require('@backstage/cli-node/config/nodeTransform.cjs');
+}
+
+const { runCliModule } = require('@backstage/cli-node');
+const cliModule = require(isLocal ? '../src/index' : '..').default;
+const pkg = require('../package.json');
+runCliModule({ module: cliModule, name: pkg.name, version: pkg.version });

packages/cli-module-build/catalog-info.yaml

@@ -0,0 +1,10 @@
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: backstage-cli-module-build
+  title: '@backstage/cli-module-build'
+  description: CLI module for Backstage CLI
+spec:
+  lifecycle: experimental
+  type: backstage-cli-module
+  owner: tooling-maintainers

packages/cli-module-build/cli-report.md

@@ -0,0 +1,156 @@
+## CLI Report file for "@backstage/cli-module-build"
+
+> Do not edit this file. It is a report generated by `yarn build:api-reports`
+
+### `backstage-cli-module-build`
+
+```
+Usage: @backstage/cli-module-build [options] [command]
+
+Options:
+  -V, --version
+  -h, --help
+
+Commands:
+  build-workspace
+  help [command]
+  package [command]
+  repo [command]
+```
+
+### `backstage-cli-module-build build-workspace`
+
+```
+Usage: @backstage/cli-module-build build-workspace <workspace-dir> [packages...]
+
+Options:
+  --always-pack
+  -h, --help
+```
+
+### `backstage-cli-module-build package`
+
+```
+Usage: @backstage/cli-module-build package [options] [command] [command]
+
+Options:
+  -h, --help
+
+Commands:
+  build
+  clean
+  help [command]
+  postpack
+  prepack
+  start
+```
+
+### `backstage-cli-module-build package build`
+
+```
+Usage: @backstage/cli-module-build package build
+
+Options:
+  --config <string>
+  --minify
+  --module-federation
+  --role <string>
+  --skip-build-dependencies
+  --stats
+  -h, --help
+```
+
+### `backstage-cli-module-build package clean`
+
+```
+Usage: @backstage/cli-module-build package clean
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli-module-build package postpack`
+
+```
+Usage: @backstage/cli-module-build package postpack
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli-module-build package prepack`
+
+```
+Usage: @backstage/cli-module-build package prepack
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli-module-build package start`
+
+```
+Usage: @backstage/cli-module-build package start
+
+Options:
+  --check
+  --config <string>
+  --entrypoint <string>
+  --inspect <string>
+  --inspect-brk <string>
+  --link <string>
+  --require <string>
+  --role <string>
+  -h, --help
+```
+
+### `backstage-cli-module-build repo`
+
+```
+Usage: @backstage/cli-module-build repo [options] [command] [command]
+
+Options:
+  -h, --help
+
+Commands:
+  build
+  clean
+  help [command]
+  start
+```
+
+### `backstage-cli-module-build repo build`
+
+```
+Usage: @backstage/cli-module-build repo build
+
+Options:
+  --all
+  --minify
+  --since <string>
+  -h, --help
+```
+
+### `backstage-cli-module-build repo clean`
+
+```
+Usage: @backstage/cli-module-build repo clean
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli-module-build repo start`
+
+```
+Usage: @backstage/cli-module-build repo start [packages...]
+
+Options:
+  --config <string>
+  --inspect <string>
+  --inspect-brk <string>
+  --link <string>
+  --plugin <string>
+  --require <string>
+  -h, --help
+```

packages/cli-module-build/config/webpack-public-path.js

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This script is used to pick up and set the public path of the Webpack bundle
+// at runtime. The meta tag is injected by the app build, but only present in
+// the `index.html.tmpl` file. The runtime value of the meta tag is populated by
+// the app backend, when it templates the final `index.html` file.
+//
+// This is needed for additional chunks to use the correct public path, and it
+// is not possible to set the `__webpack_public_path__` variable outside of the
+// build itself. The Webpack output also does not read any <base> tags or
+// similar, this seems to be the only way to dynamically configure the public
+// path at runtime.
+const el = document.querySelector('meta[name="backstage-public-path"]');
+const path = el?.getAttribute('content');
+if (path) {
+  __webpack_public_path__ = path;
+}

packages/cli-module-build/package.json

@@ -0,0 +1,106 @@
+{
+  "name": "@backstage/cli-module-build",
+  "version": "0.0.0",
+  "description": "CLI module for Backstage CLI",
+  "backstage": {
+    "role": "cli-module"
+  },
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "types": "dist/index.d.ts"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "packages/cli-module-build"
+  },
+  "license": "Apache-2.0",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "bin": "bin/backstage-cli-module-build",
+  "files": [
+    "dist",
+    "bin",
+    "config",
+    "templates"
+  ],
+  "scripts": {
+    "build": "backstage-cli package build",
+    "clean": "backstage-cli package clean",
+    "lint": "backstage-cli package lint",
+    "prepack": "backstage-cli package prepack",
+    "postpack": "backstage-cli package postpack",
+    "test": "backstage-cli package test"
+  },
+  "dependencies": {
+    "@backstage/cli-common": "workspace:^",
+    "@backstage/cli-node": "workspace:^",
+    "@backstage/config": "workspace:^",
+    "@backstage/config-loader": "workspace:^",
+    "@backstage/errors": "workspace:^",
+    "@backstage/module-federation-common": "workspace:^",
+    "@manypkg/get-packages": "^1.1.3",
+    "@module-federation/enhanced": "^0.21.6",
+    "@pmmmwh/react-refresh-webpack-plugin": "^0.6.0",
+    "@rollup/plugin-commonjs": "^26.0.0",
+    "@rollup/plugin-json": "^6.0.0",
+    "@rollup/plugin-node-resolve": "^15.0.0",
+    "@rollup/plugin-yaml": "^4.0.0",
+    "@rspack/core": "^1.4.11",
+    "@rspack/dev-server": "^1.1.4",
+    "@rspack/plugin-react-refresh": "^1.4.3",
+    "@swc/core": "^1.15.6",
+    "bfj": "^9.0.2",
+    "buffer": "^6.0.3",
+    "chalk": "^4.0.0",
+    "chokidar": "^3.3.1",
+    "cleye": "^2.3.0",
+    "cross-spawn": "^7.0.3",
+    "css-loader": "^6.5.1",
+    "ctrlc-windows": "^2.1.0",
+    "esbuild-loader": "^4.0.0",
+    "eslint-rspack-plugin": "^4.2.1",
+    "eslint-webpack-plugin": "^4.2.0",
+    "fork-ts-checker-webpack-plugin": "^9.0.0",
+    "fs-extra": "^11.2.0",
+    "glob": "^7.1.7",
+    "html-webpack-plugin": "^5.6.3",
+    "lodash": "^4.17.21",
+    "mini-css-extract-plugin": "^2.4.2",
+    "node-stdlib-browser": "^1.3.1",
+    "npm-packlist": "^5.0.0",
+    "p-queue": "^6.6.2",
+    "postcss": "^8.1.0",
+    "postcss-import": "^16.1.0",
+    "process": "^0.11.10",
+    "raw-loader": "^4.0.2",
+    "react-dev-utils": "^12.0.0-next.60",
+    "react-refresh": "^0.18.0",
+    "rollup": "^4.27.3",
+    "rollup-plugin-dts": "^6.1.0",
+    "rollup-plugin-esbuild": "^6.1.1",
+    "rollup-plugin-postcss": "^4.0.0",
+    "rollup-pluginutils": "^2.8.2",
+    "shell-quote": "^1.8.1",
+    "style-loader": "^3.3.1",
+    "swc-loader": "^0.2.3",
+    "tar": "^7.5.6",
+    "ts-checker-rspack-plugin": "^1.1.5",
+    "ts-morph": "^24.0.0",
+    "util": "^0.12.3",
+    "webpack": "~5.105.0",
+    "webpack-dev-server": "^5.0.0",
+    "yml-loader": "^2.1.0",
+    "yn": "^4.0.0"
+  },
+  "devDependencies": {
+    "@backstage/backend-test-utils": "workspace:^",
+    "@backstage/cli": "workspace:^",
+    "@types/fs-extra": "^11.0.0",
+    "@types/lodash": "^4.14.151",
+    "@types/npm-packlist": "^3.0.0",
+    "@types/shell-quote": "^1.7.5"
+  }
+}

packages/cli-module-build/report.api.md

@@ -0,0 +1,13 @@
+## API Report File for "@backstage/cli-module-build"
+
+> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
+
+```ts
+import { CliModule } from '@backstage/cli-node';
+
+// @public (undocumented)
+const _default: CliModule;
+export default _default;
+
+// (No @packageDocumentation comment for this package)
+```

packages/cli-module-build/src/commands/buildWorkspace.ts

@@ -17,9 +17,9 @@
 import fs from 'fs-extra';
 import { cli } from 'cleye';
 import { createDistWorkspace } from '../lib/packager';
-import type { CommandContext } from '../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   // Normalize legacy --alwaysYarnPack alias (a genuinely different name, not
   // just a casing variant — type-flag handles camelCase/kebab-case natively)
   const normalizedArgs = args.map(a => {

packages/cli-module-build/src/commands/package/build/command.ts

@@ -29,9 +29,9 @@ import { buildFrontend } from '../../../lib/buildFrontend';
 import { buildBackend } from '../../../lib/buildBackend';
 import { isValidUrl } from '../../../lib/urls';
 import chalk from 'chalk';
-import type { CommandContext } from '../../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: {
       role,

packages/cli-module-build/src/commands/package/clean.ts

@@ -17,9 +17,9 @@
 import { cli } from 'cleye';
 import fs from 'fs-extra';
 import { targetPaths } from '@backstage/cli-common';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   cli({ help: info, booleanFlagNegation: true }, undefined, args);
   await fs.remove(targetPaths.resolve('dist'));
   await fs.remove(targetPaths.resolve('dist-types'));

packages/cli-module-build/src/commands/package/postpack.ts

@@ -17,9 +17,9 @@
 import { cli } from 'cleye';
 import { targetPaths } from '@backstage/cli-common';
 import { revertProductionPack } from '../../lib/packager/productionPack';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   cli({ help: info, booleanFlagNegation: true }, undefined, args);
   await revertProductionPack(targetPaths.dir);
 };

packages/cli-module-build/src/commands/package/prepack.ts

@@ -20,9 +20,9 @@ import { targetPaths } from '@backstage/cli-common';
 import { productionPack } from '../../lib/packager/productionPack';
 import { publishPreflightCheck } from '../../lib/publishing';
 import { createTypeDistProject } from '../../lib/typeDistProject';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   cli({ help: info, booleanFlagNegation: true }, undefined, args);
 
   publishPreflightCheck({

packages/cli-module-build/src/commands/package/start/command.ts

@@ -19,9 +19,9 @@ import { startPackage } from './startPackage';
 import { resolveLinkedWorkspace } from './resolveLinkedWorkspace';
 import { findRoleFromCommand } from '../../../lib/role';
 import { targetPaths } from '@backstage/cli-common';
-import type { CommandContext } from '../../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: {
       config,

packages/cli-module-build/src/commands/repo/build.ts

@@ -29,9 +29,9 @@ import {
 import { buildFrontend } from '../../lib/buildFrontend';
 import { buildBackend } from '../../lib/buildBackend';
 import { createScriptOptionsParser } from '../../lib/optionsParser';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { all, since, minify },
   } = cli(

packages/cli-module-build/src/commands/repo/clean.ts

@@ -19,9 +19,9 @@ import fs from 'fs-extra';
 import { resolve as resolvePath } from 'node:path';
 import { PackageGraph } from '@backstage/cli-node';
 import { run, targetPaths } from '@backstage/cli-common';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   cli({ help: info, booleanFlagNegation: true }, undefined, args);
   const packages = await PackageGraph.listTargetPackages();
 

packages/cli-module-build/src/commands/repo/start.ts

@@ -26,7 +26,7 @@ import { cli } from 'cleye';
 import { resolveLinkedWorkspace } from '../package/start/resolveLinkedWorkspace';
 import { startPackage } from '../package/start/startPackage';
 import { parseArgs } from 'node:util';
-import type { CommandContext } from '../../../../wiring/types';
+import type { CliCommandContext } from '@backstage/cli-node';
 
 const ACCEPTED_PACKAGE_ROLES: Array<PackageRole | undefined> = [
   'frontend',
@@ -35,7 +35,7 @@ const ACCEPTED_PACKAGE_ROLES: Array<PackageRole | undefined> = [
   'backend-plugin',
 ];
 
-export default async ({ args, info }: CommandContext) => {
+export default async ({ args, info }: CliCommandContext) => {
   const {
     flags: { plugin, config, require: requirePath, link, inspect, inspectBrk },
     _: namesOrPaths,

packages/cli-module-build/src/index.ts

@@ -14,10 +14,11 @@
  * limitations under the License.
  */
 
-import { createCliPlugin } from '../../wiring/factory';
+import { createCliModule } from '@backstage/cli-node';
+import packageJson from '../package.json';
 
-export const buildPlugin = createCliPlugin({
-  pluginId: 'build',
+export default createCliModule({
+  packageJson,
   init: async reg => {
     reg.addCommand({
       path: ['package', 'build'],
@@ -84,5 +85,3 @@ export const buildPlugin = createCliPlugin({
     });
   },
 });
-
-export default buildPlugin;

packages/cli-module-build/src/lib/bundler/config.ts

@@ -29,10 +29,10 @@ import { ModuleFederationPlugin } from '@module-federation/enhanced/rspack';
 import fs from 'fs-extra';
 import { optimization as optimizationConfig } from './optimization';
 import pickBy from 'lodash/pickBy';
-import { runOutput, targetPaths } from '@backstage/cli-common';
+import { findOwnPaths, runOutput, targetPaths } from '@backstage/cli-common';
 
 import { transforms } from './transforms';
-import { version } from '../../../../wiring/version';
+import { version } from '../../../package.json';
 import yn from 'yn';
 import { hasReactDomClient } from './hasReactDomClient';
 import { createWorkspaceLinkingPlugins } from './linkWorkspaces';
@@ -330,7 +330,8 @@ export async function createConfig(
     devtool: isDev ? 'eval-cheap-module-source-map' : 'source-map',
     context: paths.targetPath,
     entry: [
-      require.resolve('@backstage/cli/config/webpack-public-path'),
+      /* eslint-disable-next-line no-restricted-syntax */
+      findOwnPaths(__dirname).resolve('config/webpack-public-path'),
       ...(options.additionalEntryPoints ?? []),
       paths.targetEntry,
     ],

packages/cli-module-build/src/lib/packager/createDistWorkspace.ts

@@ -26,11 +26,10 @@ import * as tar from 'tar';
 import partition from 'lodash/partition';
 
 import { run, targetPaths } from '@backstage/cli-common';
-
 import {
   dependencies as cliDependencies,
   devDependencies as cliDevDependencies,
-} from '../../../../../package.json';
+} from '../../../package.json';
 import {
   BuildOptions,
   buildPackages,