mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
a1150245cc
Movified from686be57d0a, and re-ran gofmt again to address for files not present in 20.10 and vice-versa. Signed-off-by: Sebastiaan van Stijn <github@gone.nl> (cherry picked from commit686be57d0a) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
//go:build !windows
|
|
// +build !windows
|
|
|
|
package archive // import "github.com/docker/docker/pkg/archive"
|
|
|
|
import (
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/docker/docker/pkg/system"
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func statDifferent(oldStat *system.StatT, newStat *system.StatT) bool {
|
|
// Don't look at size for dirs, its not a good measure of change
|
|
if oldStat.Mode() != newStat.Mode() ||
|
|
oldStat.UID() != newStat.UID() ||
|
|
oldStat.GID() != newStat.GID() ||
|
|
oldStat.Rdev() != newStat.Rdev() ||
|
|
// Don't look at size or modification time for dirs, its not a good
|
|
// measure of change. See https://github.com/moby/moby/issues/9874
|
|
// for a description of the issue with modification time, and
|
|
// https://github.com/moby/moby/pull/11422 for the change.
|
|
// (Note that in the Windows implementation of this function,
|
|
// modification time IS taken as a change). See
|
|
// https://github.com/moby/moby/pull/37982 for more information.
|
|
(oldStat.Mode()&unix.S_IFDIR != unix.S_IFDIR &&
|
|
(!sameFsTimeSpec(oldStat.Mtim(), newStat.Mtim()) || (oldStat.Size() != newStat.Size()))) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (info *FileInfo) isDir() bool {
|
|
return info.parent == nil || info.stat.Mode()&unix.S_IFDIR != 0
|
|
}
|
|
|
|
func getIno(fi os.FileInfo) uint64 {
|
|
return fi.Sys().(*syscall.Stat_t).Ino
|
|
}
|
|
|
|
func hasHardlinks(fi os.FileInfo) bool {
|
|
return fi.Sys().(*syscall.Stat_t).Nlink > 1
|
|
}
|