cmd: Ignore hidden files in isEmpty

cobra/cmd/helpers.go

@@ -45,24 +45,34 @@ func er(msg interface{}) {
 }
 
 // isEmpty checks if a given path is empty.
+// Hidden files in path are ignored.
 func isEmpty(path string) bool {
 	fi, err := os.Stat(path)
 	if err != nil {
 		er(err)
 	}
-	if fi.IsDir() {
-		f, err := os.Open(path)
-		if err != nil {
-			er(err)
-		}
-		defer f.Close()
-		dirs, err := f.Readdirnames(1)
-		if err != nil && err != io.EOF {
-			er(err)
+
+	if !fi.IsDir() {
+		return fi.Size() == 0
+	}
+
+	f, err := os.Open(path)
+	if err != nil {
+		er(err)
+	}
+	defer f.Close()
+
+	names, err := f.Readdirnames(-1)
+	if err != nil && err != io.EOF {
+		er(err)
+	}
+
+	for _, name := range names {
+		if len(name) > 0 && name[0] != '.' {
+			return false
 		}
-		return len(dirs) == 0
 	}
-	return fi.Size() == 0
+	return true
 }
 
 // exists checks if a file or directory exists.