linting.mk

TMP_DIR = /tmp/ovh/venom

OSNAME=$(shell go env GOOS)
CUR_PATH = $(notdir $(shell pwd))

GOLANGCI_DIR = $(TMP_DIR)/$(CUR_PATH)/golangci-lint
GOLANGCI_TMP_BIN = $(GOLANGCI_DIR)/golangci-lint

GOLANGCI_LINT_VERSION=1.31.0
GOLANGCI_CMD = golangci-lint run --allow-parallel-runners -c .golangci.yml
GOLANGCI_LINT_ARCHIVE = golangci-lint-$(GOLANGCI_LINT_VERSION)-$(OSNAME)-amd64.tar.gz

# Run this on localc machine.
# It downloads a version of golangci-lint and execute it locally.
# duration first time ~6s
# duration second time ~2s
.PHONY: lint
lint: $(GOLANGCI_TMP_BIN)
	$(GOLANGCI_DIR)/$(GOLANGCI_CMD)

# install a local golangci-lint if not found.
$(GOLANGCI_TMP_BIN):
	curl -OL https://github.com/golangci/golangci-lint/releases/download/v$(GOLANGCI_LINT_VERSION)/$(GOLANGCI_LINT_ARCHIVE)
	mkdir -p $(GOLANGCI_DIR)/
	tar -xf $(GOLANGCI_LINT_ARCHIVE) --strip-components=1 -C $(GOLANGCI_DIR)/
	chmod +x $(GOLANGCI_TMP_BIN)
	rm -f $(GOLANGCI_LINT_ARCHIVE)