refactor cmd/config to internal

cmd/config/configcobra/cmds.go

@@ -0,0 +1,114 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package configcobra provides a target for embedding the config command group in another
+// cobra command.
+package configcobra
+
+import (
+	"strings"
+
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/internal/commands"
+	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/api"
+	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/tutorials"
+	"sigs.k8s.io/kustomize/kyaml/commandutil"
+)
+
+var root = &cobra.Command{
+	Use:   "config",
+	Short: "[Alpha] Utilities for working with Resource Configuration.",
+	Long: `[Alpha] Utilities for working with Resource Configuration.
+
+Tutorials:
+
+  Run 'kustomize help config tutorial-TUTORIAL'
+
+	$ kustomize help config tutorials-command-basics
+
+Command Documentation:
+
+  Run 'kustomize help config CMD'
+
+	$ kustomize help config tree
+
+Advanced Documentation Topics:
+
+  Run 'kustomize help config docs-TOPIC'
+
+	$ kustomize help config docs-merge
+	$ kustomize help config docs-merge3
+	$ kustomize help config docs-fn
+	$ kustomize help config docs-io-annotations
+`,
+}
+
+// NewConfigCommand returns a new *cobra.Command for the config command group.  This may
+// be embedded into other go binaries as a way of packaging the "config" command as part
+// of another binary.
+//
+// name is substituted into the built-in documentation for each sub-command as the command
+// invocation prefix -- e.g. if the result is embedded in kustomize, then name should be
+// "kustomize" and the built-in docs will display "kustomize config" in the examples.
+//
+func NewConfigCommand(name string) *cobra.Command {
+	// config command is alpha
+	root.Version = "v0.0.0"
+
+	// Only populate the command if Alpha commands are enabled.
+	if !commandutil.GetAlphaEnabled() {
+		// return the command because other subcommands are added to it
+		root.Short = "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true"
+		root.Long = "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true"
+		root.Example = ""
+		return root
+	}
+
+	root.PersistentFlags().BoolVar(&commands.StackOnError, "stack-trace", false,
+		"print a stack-trace on failure")
+
+	name = strings.TrimSpace(name + " config")
+	commands.ExitOnError = true
+	root.AddCommand(commands.GrepCommand(name))
+	root.AddCommand(commands.TreeCommand(name))
+	root.AddCommand(commands.CatCommand(name))
+	root.AddCommand(commands.FmtCommand(name))
+	root.AddCommand(commands.MergeCommand(name))
+	root.AddCommand(commands.CountCommand(name))
+	root.AddCommand(commands.RunFnCommand(name))
+
+	root.AddCommand(&cobra.Command{
+		Use:   "docs-merge",
+		Short: "[Alpha] Documentation for merging Resources (2-way merge).",
+		Long:  api.Merge2Long,
+	})
+	root.AddCommand(&cobra.Command{
+		Use:   "docs-merge3",
+		Short: "[Alpha] Documentation for merging Resources (3-way merge).",
+		Long:  api.Merge3Long,
+	})
+	root.AddCommand(&cobra.Command{
+		Use:   "docs-fn",
+		Short: "[Alpha] Documentation for writing containerized functions run by run.",
+		Long:  api.ConfigFnLong,
+	})
+	root.AddCommand(&cobra.Command{
+		Use:   "docs-io-annotations",
+		Short: "[Alpha] Documentation for annotations used by io.",
+		Long:  api.ConfigIoLong,
+	})
+
+	root.AddCommand(&cobra.Command{
+		Use:   "tutorials-command-basics",
+		Short: "[Alpha] Tutorials for using basic config commands.",
+		Long:  tutorials.ConfigurationBasicsLong,
+	})
+
+	root.AddCommand(&cobra.Command{
+		Use:   "tutorials-function-basics",
+		Short: "[Alpha] Tutorials for using functions.",
+		Long:  tutorials.FunctionBasicsLong,
+	})
+
+	return root
+}