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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:process/process.dart';
import '../base/io.dart';
import '../doctor_validator.dart';
/// Flutter only supports development on Windows host machines version 10 and greater.
const List<String> kUnsupportedVersions = <String>[
'6',
'7',
'8',
];
/// Regex pattern for identifying line from systeminfo stdout with windows version
/// (ie. 10.5.4123)
const String kWindowsOSVersionSemVerPattern =
r'^(OS Version:\s*)([0-9]+\.[0-9]+\.[0-9]+)(.*)$';
/// Validator for supported Windows host machine operating system version.
class WindowsVersionValidator extends DoctorValidator {
const WindowsVersionValidator({required ProcessManager processManager})
: _processManager = processManager,
super('Windows Version');
final ProcessManager _processManager;
@override
Future<ValidationResult> validate() async {
final ProcessResult result =
await _processManager.run(<String>['systeminfo']);
if (result.exitCode != 0) {
return const ValidationResult(
ValidationType.missing,
<ValidationMessage>[],
statusInfo: 'Exit status from running `systeminfo` was unsuccessful',
);
}
final String resultStdout = result.stdout as String;
final RegExp regex =
RegExp(kWindowsOSVersionSemVerPattern, multiLine: true);
final Iterable<RegExpMatch> matches = regex.allMatches(resultStdout);
// Use the string split method to extract the major version
// and check against the [kUnsupportedVersions] list
final ValidationType windowsVersionStatus;
final String statusInfo;
if (matches.length == 1 &&
!kUnsupportedVersions
.contains(matches.elementAt(0).group(2)?.split('.').elementAt(0))) {
windowsVersionStatus = ValidationType.installed;
statusInfo = 'Installed version of Windows is version 10 or higher';
} else {
windowsVersionStatus = ValidationType.missing;
statusInfo =
'Unable to confirm if installed Windows version is 10 or greater';
}
return ValidationResult(
windowsVersionStatus,
const <ValidationMessage>[],
statusInfo: statusInfo,
);
}
}