fix: add child/parent support to import-values

requirements.go

@@ -18,7 +18,9 @@ type Dependency struct {
 	Condition    string   `yaml:"condition,omitempty"`
 	Alias        string   `yaml:"alias,omitempty"`
 	Version      string   `yaml:"version,omitempty"`
-	ImportValues []string `yaml:"import-values,omitempty"`
+	// ImportValues holds the mapping of source values to parent key to be imported. Each item can be a
+	// string or pair of child/parent sublist items.
+	ImportValues []interface{} `json:"import-values,omitempty"`
 }
 
 type ChartDependency struct {

testdata/charts/importvalues/Chart.yaml

@@ -9,3 +9,5 @@ dependencies:
   version: 1.0.0
   import-values:
     - data
+    - child: myval2
+      parent: myval2

testdata/charts/importvalues/mydep/values.yaml

@@ -1,3 +1,5 @@
 exports:
   data:
     myval: FOO
+
+myval2: BAR

testdata/charts/importvalues/templates/configmap.yaml

@@ -5,3 +5,4 @@ metadata:
   namespace: {{ .Release.Namespace }}
 data:
   foo: {{ .Values.myval }}
+  bar: {{ .Values.myval2 }}

testdata/integration/testcases/local_chart_with_import_values/want

@@ -7,3 +7,4 @@ metadata:
   namespace: default
 data:
   foo: FOO
+  bar: BAR