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// +build !windows
package archive
import (
"os"
"syscall"
"github.com/containers/storage/pkg/idtools"
"github.com/containers/storage/pkg/system"
"golang.org/x/sys/unix"
)
func statDifferent(oldStat *system.StatT, oldInfo *FileInfo, newStat *system.StatT, newInfo *FileInfo) bool {
// Don't look at size for dirs, its not a good measure of change
oldUID, oldGID := oldStat.UID(), oldStat.GID()
uid, gid := newStat.UID(), newStat.GID()
if cuid, cgid, err := newInfo.idMappings.ToContainer(idtools.IDPair{UID: int(uid), GID: int(gid)}); err == nil {
uid = uint32(cuid)
gid = uint32(cgid)
if oldInfo != nil {
if oldcuid, oldcgid, err := oldInfo.idMappings.ToContainer(idtools.IDPair{UID: int(oldUID), GID: int(oldGID)}); err == nil {
oldUID = uint32(oldcuid)
oldGID = uint32(oldcgid)
}
}
}
ownerChanged := uid != oldUID || gid != oldGID
if oldStat.Mode() != newStat.Mode() ||
ownerChanged ||
oldStat.Rdev() != newStat.Rdev() ||
// Don't look at size for dirs, its not a good measure of change
(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
}
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