Makefile.custom.mk

# Directories.
APIS_DIR := pkg/apis
CRD_DIR := config/crd
SCRIPTS_DIR := hack
TOOLS_DIR := $(SCRIPTS_DIR)/tools
TOOLS_BIN_DIR := $(abspath $(TOOLS_DIR)/bin)

# Binaries.
# Need to use abspath so we can invoke these from subdirectories
CONTROLLER_GEN := $(abspath $(TOOLS_BIN_DIR)/controller-gen)
GOIMPORTS := $(abspath $(TOOLS_BIN_DIR)/goimports)

BUILD_COLOR = ""
GEN_COLOR = ""
NO_COLOR = ""

ifneq (, $(shell command -v tput))
ifeq ($(shell test `tput colors` -ge 8 && echo "yes"), yes)
BUILD_COLOR=$(shell echo -e "\033[0;34m")
GEN_COLOR=$(shell echo -e "\033[0;32m")
NO_COLOR=$(shell echo -e "\033[0m")
endif
endif

DEEPCOPY_BASE = zz_generated.deepcopy
MODULE = $(shell go list -m)
BOILERPLATE = $(SCRIPTS_DIR)/boilerplate.go.txt
PATCH_FILE = $(SCRIPTS_DIR)/generated.patch
YEAR = $(shell date +'%Y')

DEEPCOPY_FILES := $(shell find $(APIS_DIR) -name $(DEEPCOPY_BASE).go)
CHART_GENERATED_FILES := $(shell find helm -maxdepth 3 -mindepth 3 -name '*.yaml')

all: generate

$(CONTROLLER_GEN): $(TOOLS_DIR)/controller-gen/go.mod
	@echo "$(BUILD_COLOR)Building controller-gen$(NO_COLOR)"
	cd $(TOOLS_DIR)/controller-gen \
 	&& go build -tags=tools -o $(CONTROLLER_GEN) sigs.k8s.io/controller-tools/cmd/controller-gen

$(GOIMPORTS): $(TOOLS_DIR)/goimports/go.mod
	@echo "$(BUILD_COLOR)Building goimports$(NO_COLOR)"
	cd $(TOOLS_DIR)/goimports \
	&& go build -tags=tools -o $(GOIMPORTS) golang.org/x/tools/cmd/goimports

.PHONY: generate
generate: clean-tools
	@$(MAKE) generate-deepcopy
	@$(MAKE) generate-manifests
	@$(MAKE) local-imports

.PHONY: verify
verify:
	@$(MAKE) clean-generated
	@$(MAKE) generate
	git diff --exit-code

.PHONY: generate-deepcopy
generate-deepcopy: $(CONTROLLER_GEN)
	@echo "$(GEN_COLOR)Generating deepcopy$(NO_COLOR)"
	$(CONTROLLER_GEN) \
	object:headerFile=$(BOILERPLATE),year=$(YEAR) \
	paths=./$(APIS_DIR)/...

.PHONY: generate-manifests
generate-manifests: $(CONTROLLER_GEN)
	@echo "$(GEN_COLOR)Generating CRDs$(NO_COLOR)"
	cd $(SCRIPTS_DIR); ./generate-crds.sh
	go generate hack/build-charts.go

.PHONY: local-imports
local-imports: $(GOIMPORTS)
	@echo "$(GEN_COLOR)Sorting imports$(NO_COLOR)"
	$(GOIMPORTS) -local $(MODULE) -w ./pkg

.PHONY: patch
patch:
	@echo "$(GEN_COLOR)Applying patch$(NO_COLOR)"
	git apply $(PATCH_FILE)

.PHONY: clean-generated
clean-generated:
	@echo "$(GEN_COLOR)Cleaning generated files$(NO_COLOR)"
	rm -rf $(CRD_DIR) $(DEEPCOPY_FILES) $(CHART_GENERATED_FILES)

.PHONY: clean-tools
clean-tools:
	@echo "$(GEN_COLOR)Cleaning tools$(NO_COLOR)"
	rm -rf $(TOOLS_BIN_DIR)