From 4db0eb097614d95a9d927ce8aad2bcd7f82a5eeb Mon Sep 17 00:00:00 2001
From: Benoit Masson <benoit.masson@gmail.com>
Date: Fri, 15 Jul 2016 22:41:29 +0200
Subject: [PATCH] Fix: Get() returns nil when nested element not found

If foo.bar is defined but foo.bar.baz isn't, then v.Get("foo.bar.baz")
returns nil.

v.searchMap() modified for this purpose.
---
 viper.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/viper.go b/viper.go
index 3517fc7..1d3c7f6 100644
--- a/viper.go
+++ b/viper.go
@@ -424,7 +424,11 @@ func (v *Viper) searchMap(source map[string]interface{}, path []string) interfac
 			// if the type of `next` is the same as the type being asserted
 			return v.searchMap(next.(map[string]interface{}), path[1:])
 		default:
-			return next
+			if len(path) == 1 {
+				return next
+			}
+			// got a value but nested key expected, return "nil" for not found
+			return nil
 		}
 	} else {
 		return nil