extensions/git/src/commands.ts/CommandCenter/stageAllTracked
class CommandCenter:	async stageAllTracked(repository: Repository): Promise<void> {
		const resources = repository.workingTreeGroup.resourceStates
			.filter(r => r.type !== Status.UNTRACKED && r.type !== Status.IGNORED);
		const uris = resources.map(r => r.resourceUri);

		await repository.add(uris);
	}