feat: custom release notes (#32191)

feat: custom release notes (#32172)

(cherry picked from commit b620efba388bf4a85081e1d07fc86f80d4d4b83c)

Co-authored-by: Jason Rasmussen <jason@rasm.me>

packages/scripts/src/cli.ts

@@ -1,4 +1,10 @@
 import { Command, Option } from 'commander';
+import {
+  GitClient,
+  GitHubClient,
+  type NotesOptions,
+  NotesService,
+} from './commands/notes';
 import { handleRelease } from './commands/release';
 import {
   RELEASE_TYPES,
@@ -43,5 +49,29 @@ export const cli = (argv: string[]) => {
       }
     });
 
+  program
+    .command('notes')
+    .description('generate release notes for a tag')
+    .requiredOption('-t, --tag <tag>', 'the tag being released')
+    .requiredOption('-p, --previous <tag>', 'the previously released tag')
+    .addOption(
+      new Option('--token <token>', 'a GitHub token')
+        .env('GH_TOKEN')
+        .default(process.env.GITHUB_TOKEN, 'GITHUB_TOKEN')
+        .makeOptionMandatory(),
+    )
+    .action(async ({ token, ...options }: NotesOptions & { token: string }) => {
+      try {
+        const service = new NotesService(
+          new GitClient(),
+          new GitHubClient(token),
+        );
+        process.stdout.write(await service.handleNotes(options));
+      } catch (error) {
+        console.error(error instanceof Error ? error.message : error);
+        process.exit(1);
+      }
+    });
+
   return program.parse(argv);
 };