Makefile

SHELL:=/usr/bin/env bash

EXECUTABLES = git go find pwd
K := $(foreach exec,$(EXECUTABLES),\
        $(if $(shell which $(exec)),some string,$(error "No $(exec) in PATH)))

ROOT_DIR:=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))

PACKAGE_NAME?=github.com/equinix/metal-cli
BINARY?=metal
GIT_VERSION?=$(shell git log -1 --format="%h")
VERSION?=$(GIT_VERSION)
RELEASE_TAG?=$(shell git tag --points-at HEAD)
ifneq (,$(RELEASE_TAG))
VERSION:=$(RELEASE_TAG)-$(VERSION)
endif

BUILD?=$(shell git rev-parse --short HEAD)
PLATFORMS?=darwin linux windows freebsd
ARCHITECTURES?=amd64 arm64
GOBIN?=$(shell go env GOPATH)/bin
FORMATTER?=$(GOBIN)/goimports
GO_INSTALL = ./hack/go_install.sh
TOOLS_DIR := hack/tools
TOOLS_BIN_DIR := $(abspath $(TOOLS_DIR)/bin)


# Binaries.
GOLANGCI_LINT_VER := v1.49
GOLANGCI_LINT_BIN := golangci-lint
GOLANGCI_LINT := $(TOOLS_BIN_DIR)/$(GOLANGCI_LINT_BIN)-$(GOLANGCI_LINT_VER)

# Setup linker flags option for build that interoperate with variable names in src code
LDFLAGS?=-ldflags "-X $(PACKAGE_NAME)/cmd.Version=$(VERSION) -X $(PACKAGE_NAME)/cmd.Build=$(BUILD)"

.PHONY: default fmt fmt-check lint test vet golint tag version
default: lint generate-docs

## fmt files
fmt: $(FORMATTER)
	$(FORMATTER) -lw .
$(FORMATTER):
	go get golang.org/x/tools/cmd/goimports

lint: $(GOLANGCI_LINT) ## Lint codebase
	$(GOLANGCI_LINT) run -v --fast=false

build:
	go build $(LDFLAGS) -o bin/$(BINARY) ./cmd/metal

build-all:
	$(foreach GOOS, $(PLATFORMS),\
	$(foreach GOARCH, $(ARCHITECTURES), $(shell export GOOS=$(GOOS); export GOARCH=$(GOARCH); go build $(LDFLAGS) -o bin/$(BINARY)-$(GOOS)-$(GOARCH) -v ./cmd/metal)))

clean:
	rm -rf bin/
	rm -rf hack/tools
	find ${ROOT_DIR} -name '${BINARY}[-?][a-zA-Z0-9]*[-?][a-zA-Z0-9]*' -delete

clean-docs:
	rm -rf docs/

install:
	go install ${LDFLAGS} ./cmd/metal

generate-docs: clean-docs
	mkdir -p docs
	go run ./cmd/metal docs ./docs

test:
	go test -v ./...


## --------------------------------------
## Tooling Binaries
## --------------------------------------

$(GOLANGCI_LINT): ## Build golangci-lint from tools folder.
	GOBIN=$(TOOLS_BIN_DIR) $(GO_INSTALL) github.com/golangci/golangci-lint/cmd/golangci-lint $(GOLANGCI_LINT_BIN) $(GOLANGCI_LINT_VER)
golangci-lint: $(LINTER)