From 4808c047ee3b8291aa9a0de6aab2a0f53f689819 Mon Sep 17 00:00:00 2001
From: Alex Quick <alex@alexquick.com>
Date: Wed, 19 Jul 2017 09:23:06 -0400
Subject: [PATCH] [config] make HasKey more idiomatic

---
 plugins/config/config.go | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/plugins/config/config.go b/plugins/config/config.go
index 17785b337..8aed5174e 100644
--- a/plugins/config/config.go
+++ b/plugins/config/config.go
@@ -23,12 +23,8 @@ func HasKey(appName string, key string) bool {
 	if err != nil {
 		return false
 	}
-	for _, v := range env.Keys() {
-		if v == key {
-			return true
-		}
-	}
-	return false
+	_, ok := env.Get(key)
+	return ok
 }
 
 //SetMany variables in the environment. If appName is empty the global config is used. If restart is true the app is restarted.