refactor(ng-dev): add option for interactive rebase (#2727)

There are a lot of PRs that just need a commit message fix. This adds a -i flag so people can just interactively rebase to fix that for people quickly rather than dealing with a bunch of back and forth.

PR Close #2727

Author: thePunderWoman

ng-dev/pr/rebase/cli.ts

@@ -15,16 +15,24 @@ import {rebasePr} from './index.js';
 /** The options available to the rebase command via CLI. */
 export interface RebaseOptions {
   pr: number;
+  i?: boolean;
 }
 
 /** Builds the rebase pull request command. */
 function builder(argv: Argv): Argv<RebaseOptions> {
-  return addGithubTokenOption(argv).positional('pr', {type: 'number', demandOption: true});
+  return addGithubTokenOption(argv)
+    .positional('pr', {type: 'number', demandOption: true})
+    .option('interactive', {
+      type: 'boolean',
+      alias: ['i'],
+      demandOption: false,
+      describe: 'Do the rebase interactively so that things can be squashed and amended',
+    });
 }
 
 /** Handles the rebase pull request command. */
-async function handler({pr}: Arguments<RebaseOptions>) {
-  process.exitCode = await rebasePr(pr);
+async function handler({pr, i}: Arguments<RebaseOptions>) {
+  process.exitCode = await rebasePr(pr, i);
 }
 
 /** yargs command module for rebasing a PR  */

ng-dev/pr/rebase/index.ts

@@ -19,7 +19,7 @@ import {fetchPullRequestFromGithub} from '../common/fetch-pull-request.js';
  *
  * @returns a status code indicating whether the rebase was successful.
  */
-export async function rebasePr(prNumber: number): Promise<number> {
+export async function rebasePr(prNumber: number, interactive: boolean = false): Promise<number> {
   /** The singleton instance of the authenticated git client. */
   const git = await AuthenticatedGitClient.get();
 
@@ -99,9 +99,18 @@ export async function rebasePr(prNumber: number): Promise<number> {
      * Additional flags to perform the autosquashing are added when the user confirm squashing of
      * fixup commits should occur.
      */
-    const [flags, env] = squashFixups
-      ? [['--interactive', '--autosquash'], {...process.env, GIT_SEQUENCE_EDITOR: 'true'}]
-      : [[], undefined];
+
+    let flags: string[] = [];
+    let env = undefined;
+
+    if (squashFixups || interactive) {
+      env = {...process.env, GIT_SEQUENCE_EDITOR: 'true'};
+      flags.push('--interactive');
+    }
+    if (squashFixups) {
+      flags.push('--autosquash');
+    }
+
     const rebaseResult = git.runGraceful(['rebase', ...flags, 'FETCH_HEAD'], {env: env});
 
     // If the rebase was clean, push the rebased PR up to the authors fork.