Add a more verbose --dry-run message

Author: aduh95

lib/promote_release.js

@@ -11,6 +11,12 @@ import Request from './request.js';
 import Session from './session.js';
 import { existsSync } from 'node:fs';
 
+const dryRunMessage = 'You are running in dry-run mode, meaning NCU will not run ' +
+                      'the `git push` commands, you would need to copy-paste the ' +
+                      'following command in another terminal window. Alternatively, ' +
+                      'pass `--run` flag to ask NCU to run the command for you ' +
+                      '(might not work if you need to type a passphrase to push to the remote).';
+
 export default class ReleasePromotion extends Session {
   constructor(argv, cli, dir) {
     super(cli, dir, argv.prid);
@@ -372,6 +378,7 @@ export default class ReleasePromotion extends Session {
 
     let prompt = 'Merge proposal branch into staging branch?';
     if (dryRun) {
+      cli.info(dryRunMessage);
       cli.info('Run the following commands to merge the staging branch:');
       cli.info(`git push ${this.upstream} HEAD:refs/heads/${releaseBranch
                                         } HEAD:refs/heads/${stagingBranch}`);
@@ -400,6 +407,7 @@ export default class ReleasePromotion extends Session {
 
     let prompt = `Push release tag and ${this.branch} to ${this.upstream}?`;
     if (dryRun) {
+      cli.info(dryRunMessage);
       cli.info('Run the following commands to push to remote:');
       cli.info(`git push ${this.upstream} ${this.branch} ${tagVersion}`);
       prompt = 'Ready to continue?';
@@ -424,6 +432,7 @@ export default class ReleasePromotion extends Session {
     let prompt = 'Promote and sign release builds?';
 
     if (dryRun) {
+      cli.info(dryRunMessage);
       cli.info('Run the following command to sign and promote the release:');
       cli.info('./tools/release.sh -i <keyPath>');
       prompt = 'Ready to continue?';