Add docs command boilerplate

cmd/kyaml/cmd/docs.go

@@ -0,0 +1,58 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+//
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func GetDocsRunner() *DocsRunner {
+	r := &DocsRunner{}
+	c := &cobra.Command{
+		Use:   "docs [API_TYPE]",
+		Short: "Print out documentation for API resource",
+		Long: `Print out documentation for API resource
+
+The Docs command reads a JSON schema from the Kustomize API and outputs a pretiffied version of the documentation.
+
+TODO:
+<INSERT MORE DOCUMENTATION HERE>
+
+For information on merge rules, run:
+
+	kyaml help docs
+`,
+		Example: `kyaml docs kustomization`,
+		PreRunE: r.preRunE,
+		RunE:    r.runE,
+	}
+	r.Command = c
+	r.Command.Flags().StringVar(&r.apiType, "api-type", "",
+		"API type to print out")
+	return r
+}
+
+// DocsCommand ...
+func DocsCommand() *cobra.Command {
+	return GetDocsRunner().Command
+}
+
+// DocsRunner contains the run function
+type DocsRunner struct {
+	Command *cobra.Command
+	apiType string
+}
+
+func (r *DocsRunner) preRunE(c *cobra.Command, args []string) error {
+	fmt.Println("Docs pre run. :)")
+	return nil
+}
+
+func (r *DocsRunner) runE(c *cobra.Command, args []string) error {
+	fmt.Println("Docs actual run. :-)")
+	fmt.Println(args[0])
+	return nil
+}