3 files changed, 29 insertions, 9 deletions
diff --git a/vendor/github.com/imdario/mergo/README.md b/vendor/github.com/imdario/mergo/README.md
index 8b76f1fbf..02fc81e06 100644
--- a/vendor/github.com/imdario/mergo/README.md
+++ b/vendor/github.com/imdario/mergo/README.md
@@ -13,6 +13,7 @@ It is ready for production use. [It is used in several projects by Docker, Googl
 [![Build Status][1]][2]
 [![Coverage Status][7]][8]
 [![Sourcegraph][9]][10]
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fimdario%2Fmergo.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fimdario%2Fmergo?ref=badge_shield)
 
 [1]: https://travis-ci.org/imdario/mergo.png
 [2]: https://travis-ci.org/imdario/mergo
@@ -27,7 +28,7 @@ It is ready for production use. [It is used in several projects by Docker, Googl
 
 ### Latest release
 
-[Release v0.3.6](https://github.com/imdario/mergo/releases/tag/v0.3.6).
+[Release v0.3.7](https://github.com/imdario/mergo/releases/tag/v0.3.7).
 
 ### Important note
 
@@ -217,6 +218,21 @@ If I can help you, you have an idea or you are using Mergo in your projects, don
 
 Written by [Dario Castañé](http://dario.im).
 
+## Top Contributors
+
+[![0](https://sourcerer.io/fame/imdario/imdario/mergo/images/0)](https://sourcerer.io/fame/imdario/imdario/mergo/links/0)
+[![1](https://sourcerer.io/fame/imdario/imdario/mergo/images/1)](https://sourcerer.io/fame/imdario/imdario/mergo/links/1)
+[![2](https://sourcerer.io/fame/imdario/imdario/mergo/images/2)](https://sourcerer.io/fame/imdario/imdario/mergo/links/2)
+[![3](https://sourcerer.io/fame/imdario/imdario/mergo/images/3)](https://sourcerer.io/fame/imdario/imdario/mergo/links/3)
+[![4](https://sourcerer.io/fame/imdario/imdario/mergo/images/4)](https://sourcerer.io/fame/imdario/imdario/mergo/links/4)
+[![5](https://sourcerer.io/fame/imdario/imdario/mergo/images/5)](https://sourcerer.io/fame/imdario/imdario/mergo/links/5)
+[![6](https://sourcerer.io/fame/imdario/imdario/mergo/images/6)](https://sourcerer.io/fame/imdario/imdario/mergo/links/6)
+[![7](https://sourcerer.io/fame/imdario/imdario/mergo/images/7)](https://sourcerer.io/fame/imdario/imdario/mergo/links/7)
+
+
 ## License
 
 [BSD 3-Clause](http://opensource.org/licenses/BSD-3-Clause) license, as [Go language](http://golang.org/LICENSE).
+
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fimdario%2Fmergo.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fimdario%2Fmergo?ref=badge_large)
diff --git a/vendor/github.com/imdario/mergo/map.go b/vendor/github.com/imdario/mergo/map.go
index 6ea38e636..3f5afa83a 100644
--- a/vendor/github.com/imdario/mergo/map.go
+++ b/vendor/github.com/imdario/mergo/map.go
@@ -72,6 +72,7 @@ func deepMap(dst, src reflect.Value, visited map[uintptr]*visit, depth int, conf
 	case reflect.Struct:
 		srcMap := src.Interface().(map[string]interface{})
 		for key := range srcMap {
+			config.overwriteWithEmptyValue = true
 			srcValue := srcMap[key]
 			fieldName := changeInitialCase(key, unicode.ToUpper)
 			dstElement := dst.FieldByName(fieldName)
diff --git a/vendor/github.com/imdario/mergo/merge.go b/vendor/github.com/imdario/mergo/merge.go
index 44f70a89d..f8de6c543 100644
--- a/vendor/github.com/imdario/mergo/merge.go
+++ b/vendor/github.com/imdario/mergo/merge.go
@@ -26,9 +26,10 @@ func hasExportedField(dst reflect.Value) (exported bool) {
 }
 
 type Config struct {
-	Overwrite    bool
-	AppendSlice  bool
-	Transformers Transformers
+	Overwrite               bool
+	AppendSlice             bool
+	Transformers            Transformers
+	overwriteWithEmptyValue bool
 }
 
 type Transformers interface {
@@ -40,6 +41,8 @@ type Transformers interface {
 // short circuiting on recursive types.
 func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, config *Config) (err error) {
 	overwrite := config.Overwrite
+	overwriteWithEmptySrc := config.overwriteWithEmptyValue
+	config.overwriteWithEmptyValue = false
 
 	if !src.IsValid() {
 		return
@@ -74,7 +77,7 @@ func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, co
 				}
 			}
 		} else {
-			if dst.CanSet() && !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) {
+			if dst.CanSet() && (!isEmptyValue(src) || overwriteWithEmptySrc) && (overwrite || isEmptyValue(dst)) {
 				dst.Set(src)
 			}
 		}
@@ -125,7 +128,7 @@ func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, co
 						dstSlice = reflect.ValueOf(dstElement.Interface())
 					}
 
-					if !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
+					if (!isEmptyValue(src) || overwriteWithEmptySrc) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
 						dstSlice = srcSlice
 					} else if config.AppendSlice {
 						if srcSlice.Type() != dstSlice.Type() {
@@ -136,7 +139,7 @@ func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, co
 					dst.SetMapIndex(key, dstSlice)
 				}
 			}
-			if dstElement.IsValid() && reflect.TypeOf(srcElement.Interface()).Kind() == reflect.Map {
+			if dstElement.IsValid() && !isEmptyValue(dstElement) && (reflect.TypeOf(srcElement.Interface()).Kind() == reflect.Map || reflect.TypeOf(srcElement.Interface()).Kind() == reflect.Slice) {
 				continue
 			}
 
@@ -151,7 +154,7 @@ func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, co
 		if !dst.CanSet() {
 			break
 		}
-		if !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
+		if (!isEmptyValue(src) || overwriteWithEmptySrc) && (overwrite || isEmptyValue(dst)) && !config.AppendSlice {
 			dst.Set(src)
 		} else if config.AppendSlice {
 			if src.Type() != dst.Type() {
@@ -191,7 +194,7 @@ func deepMerge(dst, src reflect.Value, visited map[uintptr]*visit, depth int, co
 			return
 		}
 	default:
-		if dst.CanSet() && !isEmptyValue(src) && (overwrite || isEmptyValue(dst)) {
+		if dst.CanSet() && (!isEmptyValue(src) || overwriteWithEmptySrc) && (overwrite || isEmptyValue(dst)) {
 			dst.Set(src)
 		}
 	}