Makefile

# System Setup
SHELL=bash

# Go Stuff
GOCMD=go
GOLINTCMD=golint
GOBUILD=$(GOCMD) build
GOCLEAN=$(GOCMD) clean
GOLIST=$(GOCMD) list
GOVET=$(GOCMD) vet
GOTEST=$(GOCMD) test -v ./...
GOFMT=$(GOCMD) fmt
CGO_ENABLED ?= 0
GOOS ?= $(shell uname -s | tr '[:upper:]' '[:lower:]')

# General Vars
APP := $(shell basename $(PWD) | tr '[:upper:]' '[:lower:]')

GIT_COMMIT_HASH ?= $(shell git rev-parse --short HEAD)
BUILD_VERSION := dev-$(GIT_COMMIT_HASH)
DEPLOY_VERSION := $(shell echo $${GITHUB_REF/refs\/tags\//})


.PHONY: all
all: test build

.PHONY: build
build: ## Build the project
	CGO_ENABLED=$(CGO_ENABLED) GOOS=$(GOOS) $(GOBUILD) -ldflags "-X github.com/gomicro/train/cmd.Version=$(BUILD_VERSION)" -o $(APP) .

.PHONY: clean
clean: ## Clean out all generated files
	-@$(GOCLEAN)

.PHONY: coverage
coverage: ## Generates the total code coverage of the project
	@$(eval COVERAGE_DIR=$(shell mktemp -d))
	@mkdir -p $(COVERAGE_DIR)/tmp
	@for j in $$(go list ./... | grep -v '/vendor/' | grep -v '/ext/'); do go test -covermode=count -coverprofile=$(COVERAGE_DIR)/$$(basename $$j).out $$j > /dev/null 2>&1; done
	@echo 'mode: count' > $(COVERAGE_DIR)/tmp/full.out
	@tail -q -n +2 $(COVERAGE_DIR)/*.out >> $(COVERAGE_DIR)/tmp/full.out
	@$(GOCMD) tool cover -func=$(COVERAGE_DIR)/tmp/full.out | tail -n 1 | sed -e 's/^.*statements)[[:space:]]*//' -e 's/%//'

.PHONY: deploy
deploy: ## Deploy the artifacts
	@echo "Logging into Docker Hub"
	-@echo "$(DOCKER_PASSWORD)" | docker login -u "$(DOCKER_USERNAME)" --password-stdin
	@VERSION=$(DEPLOY_VERSION) goreleaser release

.PHONY: help
help: ## Show This Help
	@for line in $$(cat Makefile | grep "##" | grep -v "grep" | sed  "s/:.*##/:/g" | sed "s/\ /!/g"); do verb=$$(echo $$line | cut -d ":" -f 1); desc=$$(echo $$line | cut -d ":" -f 2 | sed "s/!/\ /g"); printf "%-30s--%s\n" "$$verb" "$$desc"; done

.PHONY: install
install:  ## Installs the binary
	$(GOCMD) install

.PHONY: test
test: unit_test ## Runs all available tests

.PHONY: unit_test
unit_test: ## Run unit tests
	$(GOTEST)

.PHONY: fmt
fmt: ## Run gofmt
	@echo "checking formatting..."
	@$(GOFMT) $(shell $(GOLIST) ./... | grep -v '/vendor/')

.PHONY: vet
vet: ## Run go vet
	@echo "vetting..."
	@$(GOVET) $(shell $(GOLIST) ./... | grep -v '/vendor/')

.PHONY: lint
lint: ## Run golint
	@echo "linting..."
	@$(GOLINTCMD) -set_exit_status $(shell $(GOLIST) ./... | grep -v '/vendor/')