From a27f5c0dc0dbd33ac3239b0066d11711a7a24855 Mon Sep 17 00:00:00 2001
From: Bill Davis <pabdavis@gmail.com>
Date: Thu, 9 Oct 2014 09:17:10 -0400
Subject: [PATCH] Remove dependency of third party lib

---
 config.go | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/config.go b/config.go
index 314e91b2..ea02c54e 100644
--- a/config.go
+++ b/config.go
@@ -26,7 +26,6 @@ import (
 	"github.com/astaxie/beego/logs"
 	"github.com/astaxie/beego/session"
 	"github.com/astaxie/beego/utils"
-	"github.com/kelseyhightower/envconfig"
 )
 
 var (
@@ -84,14 +83,9 @@ var (
 	RouterCaseSensitive    bool   // router case sensitive default is true
 )
 
-type (
-	beegoAppConfig struct {
-		innerConfig config.ConfigContainer
-	}
-	beegoEnvConfig struct {
-		RunMode string
-	}
-)
+type beegoAppConfig struct {
+	innerConfig config.ConfigContainer
+}
 
 func newAppConfig(AppConfigProvider, AppConfigPath string) *beegoAppConfig {
 	ac, err := config.NewConfig(AppConfigProvider, AppConfigPath)
@@ -294,15 +288,10 @@ func init() {
 func ParseConfig() (err error) {
 	AppConfig = newAppConfig(AppConfigProvider, AppConfigPath)
 
-	var ec beegoEnvConfig
-	err = envconfig.Process("beego", &ec)
-	if err != nil {
-		return err
-	}
-
+	envRunMode := os.Getenv("BEEGO_RUNMODE")
 	// set the runmode first
-	if ec.RunMode != "" {
-		RunMode = ec.RunMode
+	if envRunMode != "" {
+		RunMode = envRunMode
 	} else if runmode := AppConfig.String("RunMode"); runmode != "" {
 		RunMode = runmode
 	}