From 7ed3585bd8a857d73fb2dabaa853f1b1b58bf848 Mon Sep 17 00:00:00 2001
From: Diego Becciolini <diego@jazznetworks.com>
Date: Tue, 29 Aug 2017 13:54:53 +0100
Subject: [PATCH] inherited flags use parent's normalization function

---
 command.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/command.go b/command.go
index 6d2bf1dc..931c56c6 100644
--- a/command.go
+++ b/command.go
@@ -1157,6 +1157,7 @@ func (c *Command) InheritedFlags() *flag.FlagSet {
 	}
 
 	local := c.LocalFlags()
+	c.iflags.SetNormalizeFunc(c.parentsPflags.GetNormalizeFunc())
 
 	c.parentsPflags.VisitAll(func(f *flag.Flag) {
 		if c.iflags.Lookup(f.Name) == nil && local.Lookup(f.Name) == nil {
@@ -1300,6 +1301,10 @@ func (c *Command) updateParentsPflags() {
 		c.parentsPflags.SortFlags = false
 	}
 
+	if c.HasParent() {
+		c.parentsPflags.SetNormalizeFunc(c.Parent().PersistentFlags().GetNormalizeFunc())
+	}
+
 	c.Root().PersistentFlags().AddFlagSet(flag.CommandLine)
 
 	c.VisitParents(func(parent *Command) {