Delete substitution and fix delete setters

cmd/config/internal/commands/cmddeletesubstitution.go

@@ -0,0 +1,62 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package commands
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/ext"
+	"sigs.k8s.io/kustomize/kyaml/fieldmeta"
+	"sigs.k8s.io/kustomize/kyaml/openapi"
+	"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
+)
+
+// NewDeleteRunner returns a command runner.
+func NewDeleteSubstitutionRunner(parent string) *DeleteSubstitutionRunner {
+	r := &DeleteSubstitutionRunner{}
+	c := &cobra.Command{
+		Use:     "delete-subst DIR NAME",
+		Args:    cobra.ExactArgs(2),
+		PreRunE: r.preRunE,
+		RunE:    r.runE,
+	}
+	fixDocs(parent, c)
+	r.Command = c
+
+	return r
+}
+
+func DeleteSubstitutionCommand(parent string) *cobra.Command {
+	return NewDeleteSubstitutionRunner(parent).Command
+}
+
+type DeleteSubstitutionRunner struct {
+	Command            *cobra.Command
+	DeleteSubstitution settersutil.DeleterCreator
+	OpenAPIFile        string
+}
+
+func (r *DeleteSubstitutionRunner) preRunE(c *cobra.Command, args []string) error {
+	var err error
+	r.DeleteSubstitution.Name = args[1]
+	r.DeleteSubstitution.DefinitionPrefix = fieldmeta.SubstitutionDefinitionPrefix
+
+	r.OpenAPIFile, err = ext.GetOpenAPIFile(args)
+	if err != nil {
+		return err
+	}
+
+	if err := openapi.AddSchemaFromFile(r.OpenAPIFile); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (r *DeleteSubstitutionRunner) runE(c *cobra.Command, args []string) error {
+	return handleError(c, r.delete(c, args))
+}
+
+func (r *DeleteSubstitutionRunner) delete(c *cobra.Command, args []string) error {
+	return r.DeleteSubstitution.Delete(r.OpenAPIFile, args[0])
+}