config: fix file/folder ownership

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/tonistiigi/fsutil/copy/copy_nowindows.go

@@ -0,0 +1,46 @@
+//go:build !windows
+// +build !windows
+
+package fs
+
+import (
+	"os"
+	"syscall"
+
+	"github.com/pkg/errors"
+
+	"github.com/containerd/continuity/sysx"
+)
+
+// copyXAttrs requires xeh to be non-nil
+func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error {
+	xattrKeys, err := sysx.LListxattr(src)
+	if err != nil {
+		return xeh(dst, src, "", errors.Wrapf(err, "failed to list xattrs on %s", src))
+	}
+	for _, xattr := range xattrKeys {
+		data, err := sysx.LGetxattr(src, xattr)
+		if err != nil {
+			return xeh(dst, src, xattr, errors.Wrapf(err, "failed to get xattr %q on %s", xattr, src))
+		}
+		if err := sysx.LSetxattr(dst, xattr, data, 0); err != nil {
+			return xeh(dst, src, xattr, errors.Wrapf(err, "failed to set xattr %q on %s", xattr, dst))
+		}
+	}
+
+	return nil
+}
+
+func copyDevice(dst string, fi os.FileInfo) error {
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return errors.New("unsupported stat type")
+	}
+	var rDev int
+	if fi.Mode()&os.ModeDevice == os.ModeDevice || fi.Mode()&os.ModeCharDevice == os.ModeCharDevice {
+		rDev = int(st.Rdev)
+	}
+	mode := st.Mode
+	mode &^= syscall.S_IFSOCK // socket copied as stub
+	return mknod(dst, uint32(mode), rDev)
+}