forked from toolshed/abra
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
//go:build !windows
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package archive
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import (
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"os"
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"time"
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"golang.org/x/sys/unix"
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)
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// chtimes changes the access time and modified time of a file at the given path.
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// If the modified time is prior to the Unix Epoch (unixMinTime), or after the
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// end of Unix Time (unixEpochTime), os.Chtimes has undefined behavior. In this
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// case, Chtimes defaults to Unix Epoch, just in case.
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func chtimes(name string, atime time.Time, mtime time.Time) error {
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return os.Chtimes(name, atime, mtime)
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}
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func timeToTimespec(time time.Time) unix.Timespec {
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if time.IsZero() {
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// Return UTIME_OMIT special value
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return unix.Timespec{
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Sec: 0,
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Nsec: (1 << 30) - 2,
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}
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}
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return unix.NsecToTimespec(time.UnixNano())
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}
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func lchtimes(name string, atime time.Time, mtime time.Time) error {
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utimes := [2]unix.Timespec{
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timeToTimespec(atime),
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timeToTimespec(mtime),
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}
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err := unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
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if err != nil && err != unix.ENOSYS {
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return err
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}
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return err
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}
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