fix(local): directory handle (#2262)

* fix(local): check symlink dir

* fix(local): set size of dir to 0 (close #2264)

drivers/local/util.go

@@ -1 +1,22 @@
 package local
+
+import (
+	"io/fs"
+	"os"
+	"path/filepath"
+)
+
+func isSymlinkDir(f fs.FileInfo, path string) bool {
+	if f.Mode()&os.ModeSymlink == os.ModeSymlink {
+		dst, err := os.Readlink(filepath.Join(path, f.Name()))
+		if err != nil {
+			return false
+		}
+		stat, err := os.Stat(dst)
+		if err != nil {
+			return false
+		}
+		return stat.IsDir()
+	}
+	return false
+}