extensions/git/src/commands.ts/CommandCenter/fetchPrune
class CommandCenter:	async fetchPrune(repository: Repository): Promise<void> {
		if (repository.remotes.length === 0) {
			window.showWarningMessage(l10n.t('This repository has no remotes configured to fetch from.'));
			return;
		}

		await repository.fetchPrune();
	}