From bab6d45bc6b580887b1861a5624a3bed6ce67fca Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Sun, 30 Aug 2015 12:10:14 -0400
Subject: [PATCH] Initialize the --help flag as late as possible

This should let users overwrite it with something custom. Like the help
sub-command.
---
 command.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/command.go b/command.go
index cbbc3264..7b0e3992 100644
--- a/command.go
+++ b/command.go
@@ -561,6 +561,9 @@ func (c *Command) Execute() (err error) {
 }
 
 func (c *Command) initHelp() {
+	if c.Flags().Lookup("help") == nil {
+		c.Flags().BoolVarP(&c.helpFlagVal, "help", "h", false, "help for "+c.Name())
+	}
 	if c.helpCommand == nil {
 		if !c.HasSubCommands() {
 			return
@@ -859,7 +862,6 @@ func (c *Command) Flags() *flag.FlagSet {
 			c.flagErrorBuf = new(bytes.Buffer)
 		}
 		c.flags.SetOutput(c.flagErrorBuf)
-		c.PersistentFlags().BoolVarP(&c.helpFlagVal, "help", "h", false, "help for "+c.Name())
 	}
 	return c.flags
 }