feat(dev-infra): add support for determining if builds should be stamped (#42319)

Add support for the build process to determine if the generated builds
should be stamped for release.

PR Close #42319

dev-infra/build-worker.js

@@ -704,15 +704,15 @@ function getReleaseConfig(config = getConfig()) {
  * found in the LICENSE file at https://angular.io/license
  */
 // Start the release package building.
-main();
+main(process.argv[2] === 'true');
 /** Main function for building the release packages. */
-function main() {
+function main(stampForRelease) {
     return tslib.__awaiter(this, void 0, void 0, function* () {
         if (process.send === undefined) {
             throw Error('This script needs to be invoked as a NodeJS worker.');
         }
         const config = getReleaseConfig();
-        const builtPackages = yield config.buildPackages();
+        const builtPackages = yield config.buildPackages(stampForRelease);
         // Transfer the built packages back to the parent process.
         process.send(builtPackages);
     });

dev-infra/release/build/build-worker.ts

@@ -16,16 +16,16 @@
 import {getReleaseConfig} from '../config/index';
 
 // Start the release package building.
-main();
+main(process.argv[2] === 'true');
 
 /** Main function for building the release packages. */
-async function main() {
+async function main(stampForRelease: boolean) {
   if (process.send === undefined) {
     throw Error('This script needs to be invoked as a NodeJS worker.');
   }
 
   const config = getReleaseConfig();
-  const builtPackages = await config.buildPackages();
+  const builtPackages = await config.buildPackages(stampForRelease);
 
   // Transfer the built packages back to the parent process.
   process.send(builtPackages);

dev-infra/release/build/build.spec.ts

@@ -33,7 +33,7 @@ describe('ng-dev release build', () => {
   async function invokeBuild({json}: {json?: boolean} = {}) {
     spyOn(releaseConfig, 'getReleaseConfig')
         .and.returnValue({npmPackages, buildPackages, releaseNotes: {}});
-    await ReleaseBuildCommandModule.handler({json: !!json, $0: '', _: []});
+    await ReleaseBuildCommandModule.handler({json: !!json, stampForRelease: true, $0: '', _: []});
   }
 
   it('should invoke configured build packages function', async () => {

dev-infra/release/build/cli.ts

@@ -17,21 +17,28 @@ import {buildReleaseOutput} from './index';
 /** Command line options for building a release. */
 export interface ReleaseBuildOptions {
   json: boolean;
+  stampForRelease: boolean;
 }
 
 /** Yargs command builder for configuring the `ng-dev release build` command. */
 function builder(argv: Argv): Argv<ReleaseBuildOptions> {
-  return argv.option('json', {
-    type: 'boolean',
-    description: 'Whether the built packages should be printed to stdout as JSON.',
-    default: false,
-  });
+  return argv
+      .option('json', {
+        type: 'boolean',
+        description: 'Whether the built packages should be printed to stdout as JSON.',
+        default: false,
+      })
+      .option('stampForRelease', {
+        type: 'boolean',
+        description: 'Whether the built packages should be stamped for release.',
+        default: false,
+      });
 }
 
 /** Yargs command handler for building a release. */
 async function handler(args: Arguments<ReleaseBuildOptions>) {
   const {npmPackages} = getReleaseConfig();
-  let builtPackages = await buildReleaseOutput();
+  let builtPackages = await buildReleaseOutput(args.stampForRelease);
 
   // If package building failed, print an error and exit with an error code.
   if (builtPackages === null) {

dev-infra/release/build/index.ts

@@ -16,9 +16,10 @@ import {BuiltPackage} from '../config/index';
  * pollute the stdout in such cases, we launch a child process for building the release packages
  * and redirect all stdout output to the stderr channel (which can be read in the terminal).
  */
-export async function buildReleaseOutput(): Promise<BuiltPackage[]|null> {
+export async function buildReleaseOutput(stampForRelease: boolean = false):
+    Promise<BuiltPackage[]|null> {
   return new Promise(resolve => {
-    const buildProcess = fork(require.resolve('./build-worker'), [], {
+    const buildProcess = fork(require.resolve('./build-worker'), [`${stampForRelease}`], {
       // The stdio option is set to redirect any "stdout" output directly to the "stderr" file
       // descriptor. An additional "ipc" file descriptor is created to support communication with
       // the build process. https://nodejs.org/api/child_process.html#child_process_options_stdio.

dev-infra/release/config/index.ts

@@ -23,7 +23,7 @@ export interface ReleaseConfig {
   /** List of NPM packages that are published as part of this project. */
   npmPackages: string[];
   /** Builds release packages and returns a list of paths pointing to the output. */
-  buildPackages: () => Promise<BuiltPackage[]|null>;
+  buildPackages: (stampForRelease?: boolean) => Promise<BuiltPackage[]|null>;
   /** The list of github labels to add to the release PRs. */
   releasePrLabels?: string[];
   /** Configuration for creating release notes during publishing. */