add vendorless to client-gen

Author: roycaihw

staging/src/k8s.io/code-generator/cmd/client-gen/generators/client_generator.go

@@ -28,6 +28,7 @@ import (
 	"k8s.io/code-generator/cmd/client-gen/path"
 	clientgentypes "k8s.io/code-generator/cmd/client-gen/types"
 	codegennamer "k8s.io/code-generator/pkg/namer"
+	genutil "k8s.io/code-generator/pkg/util"
 	"k8s.io/gengo/args"
 	"k8s.io/gengo/generator"
 	"k8s.io/gengo/namer"
@@ -279,7 +280,7 @@ func applyGroupOverrides(universe types.Universe, customArgs *clientgenargs.Cust
 	// Create a map from "old GV" to "new GV" so we know what changes we need to make.
 	changes := make(map[clientgentypes.GroupVersion]clientgentypes.GroupVersion)
 	for gv, inputDir := range customArgs.GroupVersionPackages() {
-		p := universe.Package(inputDir)
+		p := universe.Package(genutil.Vendorless(inputDir))
 		if override := types.ExtractCommentTags("+", p.Comments)["groupName"]; override != nil {
 			newGV := clientgentypes.GroupVersion{
 				Group:   clientgentypes.Group(override[0]),

staging/src/k8s.io/code-generator/cmd/conversion-gen/generators/conversion.go

@@ -33,6 +33,7 @@ import (
 	"k8s.io/klog/v2"
 
 	conversionargs "k8s.io/code-generator/cmd/conversion-gen/args"
+	genutil "k8s.io/code-generator/pkg/util"
 )
 
 // These are the comment tags that carry parameters for conversion generation.
@@ -292,14 +293,8 @@ func Packages(context *generator.Context, arguments *args.GeneratorArgs) generat
 		// in the output directory.
 		// TODO: build a more fundamental concept in gengo for dealing with modifications
 		// to vendored packages.
-		vendorless := func(pkg string) string {
-			if pos := strings.LastIndex(pkg, "/vendor/"); pos != -1 {
-				return pkg[pos+len("/vendor/"):]
-			}
-			return pkg
-		}
 		for i := range peerPkgs {
-			peerPkgs[i] = vendorless(peerPkgs[i])
+			peerPkgs[i] = genutil.Vendorless(peerPkgs[i])
 		}
 
 		// Make sure our peer-packages are added and fully parsed.

staging/src/k8s.io/code-generator/cmd/informer-gen/generators/packages.go

@@ -89,13 +89,6 @@ func packageForInternalInterfaces(base string) string {
 	return filepath.Join(base, "internalinterfaces")
 }
 
-func vendorless(p string) string {
-	if pos := strings.LastIndex(p, "/vendor/"); pos != -1 {
-		return p[pos+len("/vendor/"):]
-	}
-	return p
-}
-
 // Packages makes the client package definition.
 func Packages(context *generator.Context, arguments *args.GeneratorArgs) generator.Packages {
 	boilerplate, err := arguments.LoadGoBoilerplate()
@@ -122,7 +115,7 @@ func Packages(context *generator.Context, arguments *args.GeneratorArgs) generat
 	internalGroupVersions := make(map[string]clientgentypes.GroupVersions)
 	groupGoNames := make(map[string]string)
 	for _, inputDir := range arguments.InputDirs {
-		p := context.Universe.Package(vendorless(inputDir))
+		p := context.Universe.Package(genutil.Vendorless(inputDir))
 
 		objectMeta, internal, err := objectMetaForPackage(p)
 		if err != nil {

staging/src/k8s.io/code-generator/pkg/util/build.go

@@ -59,3 +59,11 @@ func hasSubdir(root, dir string) (rel string, ok bool) {
 func BoilerplatePath() string {
 	return path.Join(reflect.TypeOf(empty{}).PkgPath(), "/../../hack/boilerplate.go.txt")
 }
+
+// Vendorless trims vendor prefix from a package path to make it canonical
+func Vendorless(p string) string {
+	if pos := strings.LastIndex(p, "/vendor/"); pos != -1 {
+		return p[pos+len("/vendor/"):]
+	}
+	return p
+}