Make api/plugins

pkg/plugins/config.go

@@ -3,87 +3,11 @@
 
 package plugins
 
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"runtime"
-
-	"github.com/spf13/pflag"
-	"sigs.k8s.io/kustomize/v3/api/types"
-	"sigs.k8s.io/kustomize/v3/pkg/pgmconfig"
-)
-
 const (
 	// Used with Go plugins.
+	// TODO: delete this from API in favor of api/plugins/config
 	PluginSymbol = "KustomizePlugin"
 
-	// Location of builtins.
+	// TODO: delete this from API in favor of api/plugins/config
 	BuiltinPluginPackage = "builtin"
-
-	// ApiVersion of builtins.
-	BuiltinPluginApiVersion = BuiltinPluginPackage
-
-	flagEnablePluginsName = "enable_alpha_plugins"
-	flagEnablePluginsHelp = `enable plugins, an alpha feature.
-See https://github.com/kubernetes-sigs/kustomize/blob/master/docs/plugins/README.md
-`
-	flagErrorFmt = `
-unable to load external plugin %s because plugins disabled
-specify the flag
-  --%s
-to %s`
 )
-
-func ActivePluginConfig() *types.PluginConfig {
-	pc := DefaultPluginConfig()
-	pc.Enabled = true
-	return pc
-}
-
-func DefaultPluginConfig() *types.PluginConfig {
-	return &types.PluginConfig{
-		Enabled: false,
-		DirectoryPath: filepath.Join(
-			configRoot(), pgmconfig.PluginRoot),
-	}
-}
-
-func notEnabledErr(name string) error {
-	return fmt.Errorf(
-		flagErrorFmt,
-		name,
-		flagEnablePluginsName,
-		flagEnablePluginsHelp)
-}
-
-func AddFlagEnablePlugins(set *pflag.FlagSet, v *bool) {
-	set.BoolVar(
-		v, flagEnablePluginsName,
-		false, flagEnablePluginsHelp)
-}
-
-// Use https://github.com/kirsle/configdir instead?
-func configRoot() string {
-	dir := os.Getenv(pgmconfig.XdgConfigHome)
-	if len(dir) == 0 {
-		dir = filepath.Join(
-			homeDir(), pgmconfig.DefaultConfigSubdir)
-	}
-	return filepath.Join(dir, pgmconfig.ProgramName)
-}
-
-func homeDir() string {
-	home := os.Getenv(homeEnv())
-	if len(home) > 0 {
-		return home
-	}
-	return "~"
-}
-
-func homeEnv() string {
-	if runtime.GOOS == "windows" {
-		return "USERPROFILE"
-	}
-	return "HOME"
-}