List and set setters in folders recursively

kyaml/pathutil/pathutil.go

@@ -0,0 +1,35 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package pathutil
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"sigs.k8s.io/kustomize/kyaml/errors"
+)
+
+// SubDirsWithFile takes the root directory path and returns all the paths of
+// sub-directories which contain file with input fileName including itself
+func SubDirsWithFile(root, fileName string) ([]string, error) {
+	var res []string
+	err := filepath.Walk(root,
+		func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+			if strings.HasSuffix(path, fileName) {
+				if root == "." {
+					path = root + "/" + path
+				}
+				res = append(res, path)
+			}
+			return nil
+		})
+	if err != nil {
+		return res, errors.Wrap(err)
+	}
+	return res, nil
+}