From 8ad714e304a10f3deda29e2268b8041ff535dcfd Mon Sep 17 00:00:00 2001
From: egorse <egorovhome@gmail.com>
Date: Sat, 31 Mar 2018 23:18:36 +0300
Subject: [PATCH] The value expand fallback to actual ENV values

---
 godotenv.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/godotenv.go b/godotenv.go
index 19751d7..e606481 100644
--- a/godotenv.go
+++ b/godotenv.go
@@ -296,6 +296,9 @@ func parseValue(value string, envMap map[string]string) string {
 		if val, ok := envMap[key]; ok {
 			return val
 		}
+		if val, ok := os.LookupEnv(key); ok {
+			return val
+		}
 		return ""
 	})
 	return value