From bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 Mon Sep 17 00:00:00 2001
From: Valentin Rothberg <rothberg@redhat.com>
Date: Tue, 8 Jan 2019 14:52:57 +0100
Subject: vendor: update everything

* If possible, update each dependency to the latest available version.

* Use releases over commit IDs and avoid vendoring branches.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
---
 .../Microsoft/hcsshim/internal/mergemaps/merge.go  | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 vendor/github.com/Microsoft/hcsshim/internal/mergemaps/merge.go

(limited to 'vendor/github.com/Microsoft/hcsshim/internal/mergemaps/merge.go')

diff --git a/vendor/github.com/Microsoft/hcsshim/internal/mergemaps/merge.go b/vendor/github.com/Microsoft/hcsshim/internal/mergemaps/merge.go
new file mode 100644
index 000000000..7e95efb30
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/mergemaps/merge.go
@@ -0,0 +1,52 @@
+package mergemaps
+
+import "encoding/json"
+
+// Merge recursively merges map `fromMap` into map `ToMap`. Any pre-existing values
+// in ToMap are overwritten. Values in fromMap are added to ToMap.
+// From http://stackoverflow.com/questions/40491438/merging-two-json-strings-in-golang
+func Merge(fromMap, ToMap interface{}) interface{} {
+	switch fromMap := fromMap.(type) {
+	case map[string]interface{}:
+		ToMap, ok := ToMap.(map[string]interface{})
+		if !ok {
+			return fromMap
+		}
+		for keyToMap, valueToMap := range ToMap {
+			if valueFromMap, ok := fromMap[keyToMap]; ok {
+				fromMap[keyToMap] = Merge(valueFromMap, valueToMap)
+			} else {
+				fromMap[keyToMap] = valueToMap
+			}
+		}
+	case nil:
+		// merge(nil, map[string]interface{...}) -> map[string]interface{...}
+		ToMap, ok := ToMap.(map[string]interface{})
+		if ok {
+			return ToMap
+		}
+	}
+	return fromMap
+}
+
+// MergeJSON merges the contents of a JSON string into an object representation,
+// returning a new object suitable for translating to JSON.
+func MergeJSON(object interface{}, additionalJSON []byte) (interface{}, error) {
+	if len(additionalJSON) == 0 {
+		return object, nil
+	}
+	objectJSON, err := json.Marshal(object)
+	if err != nil {
+		return nil, err
+	}
+	var objectMap, newMap map[string]interface{}
+	err = json.Unmarshal(objectJSON, &objectMap)
+	if err != nil {
+		return nil, err
+	}
+	err = json.Unmarshal(additionalJSON, &newMap)
+	if err != nil {
+		return nil, err
+	}
+	return Merge(newMap, objectMap), nil
+}
-- 
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