src/vs/workbench/contrib/userDataSync/browser/userDataSyncViews.ts/UserDataSyncMachinesViewDataProvider/rename
class UserDataSyncMachinesViewDataProvider:	async rename(machineId: string): Promise<boolean> {
		const disposableStore = new DisposableStore();
		const inputBox = disposableStore.add(this.quickInputService.createInputBox());
		inputBox.placeholder = localize('placeholder', "Enter the name of the machine");
		inputBox.busy = true;
		inputBox.show();
		const machines = await this.getMachines();
		const machine = machines.find(({ id }) => id === machineId);
		if (!machine) {
			inputBox.hide();
			disposableStore.dispose();
			throw new Error(localize('not found', "machine not found with id: {0}", machineId));
		}
		inputBox.busy = false;
		inputBox.value = machine.name;
		const validateMachineName = (machineName: string): string | null => {
			machineName = machineName.trim();
			return machineName && !machines.some(m => m.id !== machineId && m.name === machineName) ? machineName : null;
		};
		disposableStore.add(inputBox.onDidChangeValue(() =>
			inputBox.validationMessage = validateMachineName(inputBox.value) ? '' : localize('valid message', "Machine name should be unique and not empty")));
		return new Promise<boolean>((c, e) => {
			disposableStore.add(inputBox.onDidAccept(async () => {
				const machineName = validateMachineName(inputBox.value);
				disposableStore.dispose();
				if (machineName && machineName !== machine.name) {
					try {
						await this.userDataSyncMachinesService.renameMachine(machineId, machineName);
						c(true);
					} catch (error) {
						e(error);
					}
				} else {
					c(false);
				}
			}));
		});
	}