tweak scripts to support gengov2 framework

hack/generate-knative.sh

@@ -82,11 +82,15 @@ if grep -qw "injection" <<<"${GENS}"; then
   # Clear old injection
   rm -rf ${OUTPUT_PKG}
 
+  MODULE_NAME=$(go list -m)
+
   go run knative.dev/pkg/codegen/cmd/injection-gen \
+    -v 5 \
     --input-dirs $(codegen::join , "${FQ_APIS[@]}") \
     --versioned-clientset-package ${VERSIONED_CLIENTSET_PKG} \
     --external-versions-informers-package ${EXTERNAL_INFORMER_PKG} \
     --listers-package ${LISTERS_PKG} \
     --output-package ${OUTPUT_PKG} \
+    --output-dir ${OUTPUT_PKG//${MODULE_NAME}\//} \
     "$@"
 fi

hack/update-codegen.sh

@@ -22,7 +22,7 @@ source $(dirname $0)/../vendor/knative.dev/hack/codegen-library.sh
 
 echo "=== Update Codegen for $MODULE_NAME"
 
-group "Kubernetes Codegen"
+group "Knative Codegen"
 
 # Knative Injection
 ${REPO_ROOT_DIR}/hack/generate-knative.sh "injection" \
@@ -35,7 +35,6 @@ ${REPO_ROOT_DIR}/hack/generate-knative.sh "injection" \
 K8S_TYPES=$(find ./vendor/k8s.io/api -type d -path '*/*/*/*/*/*' | cut -d'/' -f 5-6 | sort | sed 's@/@:@g' |
   grep -v "abac:" | \
   grep -v "admission:" | \
-  grep -v "admissionregistration:" | \
   grep -v "componentconfig:" | \
   grep -v "imagepolicy:" | \
   grep -v "resource:" | \
@@ -61,7 +60,8 @@ VERSIONED_CLIENTSET_PKG="k8s.io/apiextensions-apiserver/pkg/client/clientset/cli
     --go-header-file ${REPO_ROOT_DIR}/hack/boilerplate/boilerplate.go.txt \
     --force-genreconciler-kinds "CustomResourceDefinition"
 
-group "Knative Codegen"
+
+group "Kubernetes Codegen"
 
 # Only deepcopy the Duck types, as they are not real resources.
 go run k8s.io/code-generator/cmd/deepcopy-gen \