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filetimes.go
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filetimes.go
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/*
* Copyright (C) 2020-2022 Arm Limited or its affiliates and Contributors. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package filesystem
import (
"fmt"
"os"
"time"
fileTimes "github.com/djherbis/times"
"github.com/ARM-software/golang-utils/utils/commonerrors"
)
func DetermineFileTimes(info os.FileInfo) (times FileTimeInfo, err error) {
if info == nil {
err = fmt.Errorf("no file information defined: %w", commonerrors.ErrUndefined)
return
}
if info.Sys() == nil {
times = newDefaultTimeInfo(info)
} else {
times = &genericTimeInfo{fileTimes.Get(info)}
}
return
}
type defaultTimeInfo struct {
modTime time.Time
}
func (i *defaultTimeInfo) ModTime() time.Time {
return i.modTime
}
func (i *defaultTimeInfo) AccessTime() time.Time {
return time.Now()
}
func (i *defaultTimeInfo) ChangeTime() time.Time {
return time.Now()
}
func (i *defaultTimeInfo) BirthTime() time.Time {
return time.Now()
}
func (i *defaultTimeInfo) HasChangeTime() bool {
return false
}
func (i *defaultTimeInfo) HasBirthTime() bool {
return false
}
func (i *defaultTimeInfo) HasAccessTime() bool {
return false
}
func newDefaultTimeInfo(f os.FileInfo) (info *defaultTimeInfo) {
info = &defaultTimeInfo{}
if f != nil {
info.modTime = f.ModTime()
}
return
}
type genericTimeInfo struct {
fileTimes.Timespec
}
func (i *genericTimeInfo) HasAccessTime() bool {
return false
}