feat(dev-infra): prevent git push from being called in dryRun mode (#41387)

Update GitClient to prevent the `push` command from being run in dryMode.

PR Close #41387

dev-infra/utils/git/index.ts

@@ -11,6 +11,7 @@ import {spawnSync, SpawnSyncOptions, SpawnSyncReturns} from 'child_process';
 
 import {getConfig, getRepoBaseDir, NgDevConfig} from '../config';
 import {debug, info, yellow} from '../console';
+import {DryRunError, isDryRun} from '../dry-run';
 import {GithubClient} from './github';
 import {getRepositoryGitUrl, GITHUB_TOKEN_GENERATE_URL, GITHUB_TOKEN_SETTINGS_URL} from './github-urls';
 
@@ -89,6 +90,14 @@ export class GitClient {
    * info failed commands.
    */
   runGraceful(args: string[], options: SpawnSyncOptions = {}): SpawnSyncReturns<string> {
+    /** The git command to be run. */
+    const gitCommand = args[0];
+
+    if (isDryRun() && gitCommand === 'push') {
+      debug(`"git push" is not able to be run in dryRun mode.`);
+      throw new DryRunError();
+    }
+
     // To improve the debugging experience in case something fails, we print all executed Git
     // commands to better understand the git actions occuring. Depending on the command being
     // executed, this debugging information should be logged at different logging levels.