fix manifset build

Signed-off-by: Mohamed Mahmoud <[email protected]>

Makefile

@@ -69,12 +69,6 @@ define push_target
 	DOCKER_BUILDKIT=1 $(OCI_BIN) push ${IMAGE}-$(1);
 endef
 
-# manifest create a single arch target provided as argument
-define manifest_create_target
-	echo 'manifest create for arch $(1)'; \
-	DOCKER_BUILDKIT=1 $(OCI_BIN) manifest add ${IMAGE} ${IMAGE}-$(target);
-endef
-
 ##@ General
 
 # The help target prints out all targets with their descriptions organized
@@ -174,9 +168,7 @@ image-push: ## Push MULTIARCH_TARGETS images
 
 .PHONY: manifest-build
 manifest-build: ## Build MULTIARCH_TARGETS manifest
-	trap 'exit' INT; \
-	DOCKER_BUILDKIT=1 $(OCI_BIN) manifest create ${IMAGE}
-	$(foreach target,$(MULTIARCH_TARGETS),$(call manifest_create_target,$(target)))
+    DOCKER_BUILDKIT=1 $(OCI_BIN) manifest create ${IMAGE} $(foreach target,$(MULTIARCH_TARGETS), ${IMAGE}-$(target));
 
 .PHONY: manifest-push
 manifest-push: ## Push MULTIARCH_TARGETS manifest