remove removing of hidden files, just ignore in Tree build

tree.go

@@ -116,11 +116,6 @@ func PopulateTree(sourcePath string, meta []string, customMeta map[string]func()
 	var err error
 	var attachmentRegistry map[string]string
 
-	err = removeHidden(sourcePath)
-	if err != nil {
-		return err
-	}
-
 	attachmentRegistry, err = moveAttachments(sourcePath)
 	if err != nil {
 		return err
@@ -148,31 +143,6 @@ func PopulateTree(sourcePath string, meta []string, customMeta map[string]func()
 	return err
 }
 
-func removeHidden(dir string) error {
-	var toRemovePaths []string
-
-	err := filepath.Walk(dir, func(fullPath string, info os.FileInfo, e error) error {
-		if e != nil {
-			return e
-		}
-
-		if strings.HasPrefix(info.Name(), ".") {
-			toRemovePaths = append(toRemovePaths, fullPath)
-		}
-
-		return nil
-	})
-
-	for _, removePath := range toRemovePaths {
-		e := os.RemoveAll(removePath)
-		if e != nil {
-			return e
-		}
-	}
-
-	return err
-}
-
 func moveAttachments(dir string) (map[string]string, error) {
 	attachmentRegistry := make(map[string]string)
 
@@ -426,6 +396,10 @@ func readPath(dirPath string, category []string, meta []string) (Tree, error) {
 	}
 
 	for _, file := range files {
+		if strings.HasPrefix(file.Name(), ".") {
+			continue
+		}
+
 		fullPath := path.Join(dirPath, file.Name())
 		if file.IsDir() {
 			if strings.HasPrefix(fullPath, fmt.Sprintf("%s/%s", clearDir, AttachmentDirName)) {