From 864687ae689edc28688c67edef47e3d2ad651a1b Mon Sep 17 00:00:00 2001
From: spf13 <steve.francia@gmail.com>
Date: Fri, 11 Jul 2014 10:57:53 -0400
Subject: [PATCH] Adding "OnInitialize()" method instead of directly setting a
 property. Now can have multiple initializers.

---
 cobra.go   | 9 +++++----
 command.go | 4 +++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/cobra.go b/cobra.go
index cb6501d..039c185 100644
--- a/cobra.go
+++ b/cobra.go
@@ -25,11 +25,12 @@ import (
 	"text/template"
 )
 
-// Called after flags are parsed immediately before executing any Command
-var InitializeConfig func()
+var initializers []func()
 
-func init() {
-	InitializeConfig = func() {}
+func OnInitialize(y ...func()) {
+	for _, x := range y {
+		initializers = append(initializers, x)
+	}
 }
 
 func Gt(a interface{}, b interface{}) bool {
diff --git a/command.go b/command.go
index 4a03a03..dece325 100644
--- a/command.go
+++ b/command.go
@@ -358,7 +358,9 @@ func (c *Command) execute(a []string) (err error) {
 }
 
 func (c *Command) preRun() {
-	InitializeConfig()
+	for _, x := range initializers {
+		x()
+	}
 }
 
 func (c *Command) errorMsgFromParse() string {