Allow make local to work without docker in path

Signed-off-by: Tiger Kaovilai <[email protected]>

Makefile

@@ -74,17 +74,17 @@ else
 	GCR_IMAGE_TAGS ?= $(GCR_IMAGE):$(VERSION)
 endif
 
-# check buildx is enabled
+# check buildx is enabled only if docker is in path
 # macOS/Windows docker cli without Docker Desktop license: https://github.com/abiosoft/colima
 # To add buildx to docker cli: https://github.com/abiosoft/colima/discussions/273#discussioncomment-2684502
-ifeq ($(shell docker buildx inspect 2>/dev/null | awk '/Status/ { print $$2 }'), running)
+ifeq ($(shell which docker &>/dev/null && docker buildx inspect 2>/dev/null | awk '/Status/ { print $$2 }'), running)
 	BUILDX_ENABLED ?= true
 # if emulated docker cli from podman, assume enabled
 # emulated docker cli from podman: https://podman-desktop.io/docs/migrating-from-docker/emulating-docker-cli-with-podman
 # podman known issues:
 # - on remote podman, such as on macOS,
 #   --output issue: https://github.com/containers/podman/issues/15922
-else ifeq ($(shell cat $(shell which docker) | grep -c "exec podman"), 1)
+else ifeq ($(shell which docker &>/dev/null && cat $(shell which docker) | grep -c "exec podman"), 1)
 	BUILDX_ENABLED ?= true
 else
 	BUILDX_ENABLED ?= false
@@ -194,7 +194,12 @@ shell: build-dirs build-env
 
 container:
 ifneq ($(BUILDX_ENABLED), true)
-	$(error $(BUILDX_ERROR))
+# TODO: PR debug, remove after
+	@echo "hello"
+	@echo wd $(shell which docker)
+# echo wd $(shell where docker)
+	@echo path $(PATH)
+# $(error $(BUILDX_ERROR))
 endif
 	@docker buildx build --pull \
 	--output=type=$(BUILDX_OUTPUT_TYPE) \