chore(codegen): use controller-gen for deepcopy

Use controller-gen instead of k8s.io/code-generator to generate
deepcopy.

Note: Deepcopy generation should be left to the operator-framework/api
repo at once we start strictly importing API type defs from there.

Author: njhale

Makefile

@@ -160,8 +160,11 @@ manifests: vendor
 
 	$(YQ_INTERNAL) w --inplace deploy/chart/crds/0000_50_olm_03-clusterserviceversion.crd.yaml spec.validation.openAPIV3Schema.properties.spec.properties.install.properties.spec.properties.deployments.items.properties.spec.properties.template.properties.metadata.x-kubernetes-preserve-unknown-fields true
 
-# Generate clients, listers, and informers
+# Generate deepcopy, conversion, clients, listers, and informers
 codegen:
+	# Deepcopy
+	$(CONTROLLER_GEN) object:headerFile=./boilerplate.go.txt paths=./pkg/api/apis/operators/...i
+	# Conversion, clients, listers, and informers
 	$(CODEGEN)
 
 # Generate mock types.

scripts/update_codegen.sh

@@ -31,7 +31,7 @@ MODULE="github.com/operator-framework/operator-lifecycle-manager"
 # --output-base    because this script should also be able to run inside the vendor dir of
 #                  k8s.io/kubernetes. The output-base is needed for the generators to output into the vendor dir
 #                  instead of the $GOPATH directly. For normal projects this can be dropped.
-bash "${CODEGEN_PKG}/generate-internal-groups.sh" "deepcopy,conversion,informer,lister" \
+bash "${CODEGEN_PKG}/generate-internal-groups.sh" "conversion,informer,lister" \
   "${MODULE}/pkg/api/client" \
   "${MODULE}/pkg/api/apis" \
   "${MODULE}/pkg/api/apis" \
@@ -57,4 +57,5 @@ bash "${CODEGEN_PKG}/generate-internal-groups.sh" all \
   --go-header-file "${SCRIPT_ROOT}/boilerplate.go.txt"
 
 # copy the generated resources
-cp -R "${OUTPUT_BASE}/${MODULE}/." "${SCRIPT_ROOT}"
+cp -R "${OUTPUT_BASE}/${MODULE}/." "${SCRIPT_ROOT}"
+