ing

config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"os"
 	"path/filepath"
@@ -65,6 +66,10 @@ func Load(target interface{}, files ...string) error {
 func (c *config) Load(target interface{}, files ...string) error {
 	filenames := c.getConfigFiles(files...)
 
+	if 0 == len(filenames) {
+		return fmt.Errorf("Config: have no config files in [%v]", files)
+	}
+
 	for _, file := range filenames {
 		if err := unmarshalFile(target, file); err != nil {
 			return err