Set default index when receipt is parsed

internal/index/indexscanner/scanner.go

@@ -108,6 +108,9 @@ func ReadPlugin(f io.ReadCloser) (index.Plugin, error) {
 func ReadReceiptFromFile(path string) (index.Receipt, error) {
 	var receipt index.Receipt
 	err := readFromFile(path, &receipt)
+	if receipt.Status.Source.Name == "" {
+		receipt.Status.Source.Name = constants.DefaultIndexName
+	}
 	return receipt, err
 }
 

internal/installation/receipt/receipt.go

@@ -21,15 +21,13 @@ import (
 	"sigs.k8s.io/yaml"
 
 	"sigs.k8s.io/krew/internal/index/indexscanner"
-	"sigs.k8s.io/krew/pkg/constants"
 	"sigs.k8s.io/krew/pkg/index"
 )
 
 // Store saves the given plugin receipt at the destination.
 // The caller has to ensure that the destination directory exists.
 func Store(plugin index.Plugin, dest string) error {
-	receipt := receiptFromPlugin(plugin, constants.DefaultIndexName)
-	yamlBytes, err := yaml.Marshal(receipt)
+	yamlBytes, err := yaml.Marshal(plugin)
 	if err != nil {
 		return errors.Wrapf(err, "convert to yaml")
 	}
@@ -43,15 +41,3 @@ func Store(plugin index.Plugin, dest string) error {
 func Load(path string) (index.Receipt, error) {
 	return indexscanner.ReadReceiptFromFile(path)
 }
-
-// receiptFromPlugin creates a receipt object using the Plugin and index name.
-func receiptFromPlugin(plugin index.Plugin, indexName string) index.Receipt {
-	return index.Receipt{
-		Plugin: plugin,
-		Status: index.ReceiptStatus{
-			Source: index.SourceIndex{
-				Name: indexName,
-			},
-		},
-	}
-}