From 6d67515500ea32688ea41ff6044954afae370e03 Mon Sep 17 00:00:00 2001
From: Trevor Foster <trevor.foster@hotmail.ca>
Date: Fri, 27 Mar 2020 23:21:05 -0400
Subject: [PATCH] add parsing for stringToString flags

---
 viper.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/viper.go b/viper.go
index 7b12b36..1d2610a 100644
--- a/viper.go
+++ b/viper.go
@@ -1083,6 +1083,16 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
 			s = strings.TrimSuffix(s, "]")
 			res, _ := readAsCSV(s)
 			return cast.ToIntSlice(res)
+		case "stringToString":
+			s := strings.TrimPrefix(flag.ValueString(), "[")
+			s = strings.TrimSuffix(s, "]")
+			elements := strings.Split(s, ",")
+			result := make(map[string]string, len(elements))
+			for _, element := range elements {
+				pair := strings.SplitN(element, "=", 2)
+				result[pair[0]] = pair[1]
+			}
+			return result
 		default:
 			return flag.ValueString()
 		}