extensions/git/src/commands.ts/CommandCenter/_stageDeletionConflict
class CommandCenter:	private async _stageDeletionConflict(repository: Repository, uri: Uri): Promise<void> {
		const uriString = uri.toString();
		const resource = repository.mergeGroup.resourceStates.filter(r => r.resourceUri.toString() === uriString)[0];

		if (!resource) {
			return;
		}

		if (resource.type === Status.DELETED_BY_THEM) {
			const keepIt = l10n.t('Keep Our Version');
			const deleteIt = l10n.t('Delete File');
			const result = await window.showInformationMessage(l10n.t('File "{0}" was deleted by them and modified by us.\n\nWhat would you like to do?', path.basename(uri.fsPath)), { modal: true }, keepIt, deleteIt);

			if (result === keepIt) {
				await repository.add([uri]);
			} else if (result === deleteIt) {
				await repository.rm([uri]);
			} else {
				throw new Error('Cancelled');
			}
		} else if (resource.type === Status.DELETED_BY_US) {
			const keepIt = l10n.t('Keep Their Version');
			const deleteIt = l10n.t('Delete File');
			const result = await window.showInformationMessage(l10n.t('File "{0}" was deleted by us and modified by them.\n\nWhat would you like to do?', path.basename(uri.fsPath)), { modal: true }, keepIt, deleteIt);

			if (result === keepIt) {
				await repository.add([uri]);
			} else if (result === deleteIt) {
				await repository.rm([uri]);
			} else {
				throw new Error('Cancelled');
			}
		}
	}