restic/internal/restic/node_linux.go
greatroar c45f8ee075 Replace restic.statT interface by concrete types
name                old time/op    new time/op    delta
NodeFillUser-8        1.81µs ± 9%    1.50µs ± 5%  -17.07%  (p=0.000 n=19+20)
NodeFromFileInfo-8    1.76µs ± 4%    1.49µs ± 6%  -15.63%  (p=0.000 n=20+19)

name                old alloc/op   new alloc/op   delta
NodeFillUser-8          496B ± 0%      352B ± 0%  -29.03%  (p=0.000 n=20+20)
NodeFromFileInfo-8      496B ± 0%      352B ± 0%  -29.03%  (p=0.000 n=20+20)

name                old allocs/op  new allocs/op  delta
NodeFillUser-8          3.00 ± 0%      2.00 ± 0%  -33.33%  (p=0.000 n=20+20)
NodeFromFileInfo-8      3.00 ± 0%      2.00 ± 0%  -33.33%  (p=0.000 n=20+20)
2020-11-14 23:23:26 +01:00

40 lines
900 B
Go

package restic
import (
"path/filepath"
"syscall"
"golang.org/x/sys/unix"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/fs"
)
func (node Node) restoreSymlinkTimestamps(path string, utimes [2]syscall.Timespec) error {
dir, err := fs.Open(filepath.Dir(path))
if err != nil {
return errors.Wrap(err, "Open")
}
defer dir.Close()
times := []unix.Timespec{
{Sec: utimes[0].Sec, Nsec: utimes[0].Nsec},
{Sec: utimes[1].Sec, Nsec: utimes[1].Nsec},
}
err = unix.UtimesNanoAt(int(dir.Fd()), filepath.Base(path), times, unix.AT_SYMLINK_NOFOLLOW)
if err != nil {
return errors.Wrap(err, "UtimesNanoAt")
}
return nil
}
func (node Node) device() int {
return int(node.Device)
}
func (s statT) atim() syscall.Timespec { return s.Atim }
func (s statT) mtim() syscall.Timespec { return s.Mtim }
func (s statT) ctim() syscall.Timespec { return s.Ctim }