Enhance the makefile target check to skip CRDs that are new

catalogd/Makefile

@@ -130,11 +130,16 @@ verify: tidy fmt vet generate ## Verify the current code generation and lint
 	git diff --exit-code
 
 .PHONY: verify-crd-compatibility
-CRD_DIFF_ORIGINAL_REF := main
-CRD_DIFF_UPDATED_SOURCE := file://config/base/crd/bases/olm.operatorframework.io_clustercatalogs.yaml
 CRD_DIFF_CONFIG := crd-diff-config.yaml
+CRD_DIFF_UPDATED_SOURCE := file://config/base/crd/bases/olm.operatorframework.io_clustercatalogs.yaml
 verify-crd-compatibility: $(CRD_DIFF)
-	$(CRD_DIFF) --config="${CRD_DIFF_CONFIG}" "git://${CRD_DIFF_ORIGINAL_REF}?path=config/base/crd/bases/olm.operatorframework.io_clustercatalogs.yaml" ${CRD_DIFF_UPDATED_SOURCE}
+	@if git rev-parse --verify ${CRD_DIFF_ORIGINAL_REF} >/dev/null 2>&1 && \
+		git show ${CRD_DIFF_ORIGINAL_REF}:${CRD_PATH} >/dev/null 2>&1; then \
+		echo "Running CRD diff for ${CRD_PATH}..."; \
+		$(CRD_DIFF) --config="${CRD_DIFF_CONFIG}" "git://${CRD_DIFF_ORIGINAL_REF}?path=${CRD_PATH}" ${CRD_DIFF_UPDATED_SOURCE}; \
+	else \
+		echo "Skipping CRD diff check: ${CRD_PATH} is new or ${CRD_DIFF_ORIGINAL_REF} does not exist."; \
+	fi
 
 .PHONY: lint
 lint: $(GOLANGCI_LINT) ## Run golangci linter.