extensions/git/src/commands.ts/CommandCenter/pullRebase
class CommandCenter:	async pullRebase(repository: Repository): Promise<void> {
		const remotes = repository.remotes;

		if (remotes.length === 0) {
			window.showWarningMessage(l10n.t('Your repository has no remotes configured to pull from.'));
			return;
		}

		await repository.pullWithRebase(repository.HEAD);
	}