migrate to github.com/moby/go-archive module

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/moby/go-archive/changes_unix.go

@@ -0,0 +1,43 @@
+//go:build !windows
+
+package archive
+
+import (
+	"io/fs"
+	"os"
+	"syscall"
+)
+
+func statDifferent(oldStat fs.FileInfo, newStat fs.FileInfo) bool {
+	oldSys := oldStat.Sys().(*syscall.Stat_t)
+	newSys := newStat.Sys().(*syscall.Stat_t)
+	// Don't look at size for dirs, its not a good measure of change
+	if oldStat.Mode() != newStat.Mode() ||
+		oldSys.Uid != newSys.Uid ||
+		oldSys.Gid != newSys.Gid ||
+		oldSys.Rdev != newSys.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().IsDir() &&
+			(!sameFsTime(oldStat.ModTime(), newStat.ModTime()) || (oldStat.Size() != newStat.Size()))) {
+		return true
+	}
+	return false
+}
+
+func (info *FileInfo) isDir() bool {
+	return info.parent == nil || info.stat.Mode().IsDir()
+}
+
+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
+}