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moby--moby/pkg/system/chtimes.go
John Howard fe5b34ba88 LCOW: Add environment variable to enable
Signed-off-by: John Howard <jhoward@microsoft.com>
2017-06-20 08:55:46 -07:00

35 lines
806 B
Go

package system
import (
"os"
"time"
)
// Chtimes changes the access time and modified time of a file at the given path
func Chtimes(name string, atime time.Time, mtime time.Time) error {
unixMinTime := time.Unix(0, 0)
unixMaxTime := maxTime
// If the modified time is prior to the Unix Epoch, or after the
// end of Unix Time, os.Chtimes has undefined behavior
// default to Unix Epoch in this case, just in case
if atime.Before(unixMinTime) || atime.After(unixMaxTime) {
atime = unixMinTime
}
if mtime.Before(unixMinTime) || mtime.After(unixMaxTime) {
mtime = unixMinTime
}
if err := os.Chtimes(name, atime, mtime); err != nil {
return err
}
// Take platform specific action for setting create time.
if err := setCTime(name, mtime); err != nil {
return err
}
return nil
}