Makefile

GO     := go
GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH)))
KUSTOMIZE := kustomize
IMG := ghcr.io/doodlescheduling/kubectl-del-namespace:latest
pkgs    := $(shell $(GO) list ./... | grep -v /vendor/)

PREFIX              ?= $(shell pwd)
BIN_DIR             ?= $(shell pwd)

# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif

all: deps vet fmt lint test build

style:
	@echo ">> checking code style"
	@! gofmt -d $(shell find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'

test:
	@echo ">> running unit tests"
	@$(GO) test -short -race -v -coverprofile=coverage.out -tags unit ./...

GOLANGCI_LINT = $(GOBIN)/golangci-lint
.PHONY: golangci-lint
golangci-lint: ## Download golint locally if necessary
	$(call go-install-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/golangci-lint@v1.52.2)

.PHONY: lint
lint: golangci-lint ## Run golangci-lint against code
	$(GOLANGCI_LINT) run ./...

deps:
	@echo ">> install dependencies"
	@$(GO) mod download

.PHONY: fmt
fmt: ## Run go fmt against code.
	go fmt ./...
	gofmt -s -w .

.PHONY: tidy
tidy: ## Run go mod tidy
	go mod tidy

.PHONY: vet
vet: ## Run go vet against code.
	go vet ./...

build:
	@echo ">> building binaries"
	CGO_ENABLED=0 go build -o kubectl-del-namespace main.go

.PHONY: run
run:
	go run ./main.go

.PHONY: docker-build
docker-build: build ## Build docker image with the manager.
	docker build -t ${IMG} .

.PHONY: docker-push
docker-push: ## Push docker image with the manager.
	docker push ${IMG}

.PHONY: all style fmt build test vet

# go-install-tool will 'go install' any package $2 and install it to $1
define go-install-tool
@[ -f $(1) ] || { \
set -e ;\
TMP_DIR=$$(mktemp -d) ;\
cd $$TMP_DIR ;\
go mod init tmp ;\
echo "Downloading $(2)" ;\
env -i bash -c "GOBIN=$(GOBIN) PATH=$(PATH) GOPATH=$(shell go env GOPATH) GOCACHE=$(shell go env GOCACHE) go install $(2)" ;\
rm -rf $$TMP_DIR ;\
}
endef