wip

src/host/vfs/resolver.go

@@ -113,7 +113,29 @@ func (r *resolver) isNestedFs(f string) bool {
 			return true
 		}
 	}
-	return true
+	return false
+}
+
+func (r *resolver) nestedFs(fsPath string, file File) (Filesystem, error) {
+	for ext, nestFactory := range r.factories {
+		if !strings.HasSuffix(fsPath, ext) {
+			continue
+		}
+
+		if nestedFs, ok := r.fsmap[fsPath]; ok {
+			return nestedFs, nil
+		}
+
+		nestedFs, err := nestFactory(file)
+		if err != nil {
+			return nil, fmt.Errorf("error creating filesystem from file: %s with error: %w", fsPath, err)
+		}
+		r.fsmap[fsPath] = nestedFs
+
+		return nestedFs, nil
+
+	}
+	return nil, nil
 }
 
 // open requeue raw open, without resolver call
@@ -173,7 +195,7 @@ var ErrNotExist = fs.ErrNotExist
 
 func getFile[F File](m map[string]F, name string) (File, error) {
 	if name == Separator {
-		return &dir{}, nil
+		return NewDir(name), nil
 	}
 
 	f, ok := m[name]
@@ -183,7 +205,7 @@ func getFile[F File](m map[string]F, name string) (File, error) {
 
 	for p := range m {
 		if strings.HasPrefix(p, name) {
-			return &dir{}, nil
+			return NewDir(name), nil
 		}
 	}