(fix) index add --overwrite-latest

This adds the ability to overwrite the latest bundle during index add
in order to avoid having to remove all the bundles from the index and
re-add them before being able to add the updated bundle.

Author: gallettilance

cmd/opm/index/add.go

@@ -62,6 +62,10 @@ func addIndexAddCmd(parent *cobra.Command) {
 	indexCmd.Flags().Bool("permissive", false, "allow registry load errors")
 	indexCmd.Flags().StringP("mode", "", "replaces", "graph update mode that defines how channel graphs are updated. One of: [replaces, semver, semver-skippatch]")
 
+	indexCmd.Flags().Bool("overwrite-latest", false, "overwrite the latest bundles (channel heads) with those of the same csv name given by --bundles")
+	if err := indexCmd.Flags().MarkHidden("overwrite-latest"); err != nil {
+		logrus.Panic(err.Error())
+	}
 	if err := indexCmd.Flags().MarkHidden("debug"); err != nil {
 		logrus.Panic(err.Error())
 	}
@@ -118,6 +122,11 @@ func runIndexAddCmdFunc(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	overwrite, err := cmd.Flags().GetBool("overwrite-latest")
+	if err != nil {
+		return err
+	}
+
 	modeEnum, err := registry.GetModeFromString(mode)
 	if err != nil {
 		return err
@@ -147,6 +156,7 @@ func runIndexAddCmdFunc(cmd *cobra.Command, args []string) error {
 		Permissive:        permissive,
 		Mode:              modeEnum,
 		SkipTLS:           skipTLS,
+		Overwrite:         overwrite,
 	}
 
 	err = indexAdder.AddToIndex(request)

cmd/opm/registry/add.go

@@ -73,6 +73,7 @@ func addFunc(cmd *cobra.Command, args []string) error {
 		Bundles:       bundleImages,
 		Mode:          modeEnum,
 		ContainerTool: containertools.NewContainerTool(containerTool, containertools.NoneTool),
+		Overwrite:     false,
 	}
 
 	logger := logrus.WithFields(logrus.Fields{"bundles": bundleImages})