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operatingsystem_windows.go
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// Copyright 2020 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package machine
import (
"fmt"
"golang.org/x/sys/windows/registry"
)
func getOperatingSystem() (string, error) {
system := "Windows"
k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
if err != nil {
return system, err
}
defer k.Close()
productName, _, err := k.GetStringValue("ProductName")
if err != nil {
return system, nil
}
releaseId, _, err := k.GetStringValue("ReleaseId")
if err != nil {
return system, err
}
currentBuildNumber, _, err := k.GetStringValue("CurrentBuildNumber")
if err != nil {
return system, err
}
revision, _, err := k.GetIntegerValue("UBR")
if err != nil {
return system, err
}
system = fmt.Sprintf("%s Version %s (OS Build %s.%d)",
productName, releaseId, currentBuildNumber, revision)
return system, nil
}