Makefile

#
# Copyright (c) 2015, Matt Jones <urlugal@gmail.com>
# All rights reserved.
# MIT License
# For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
#
# version 0.1.24
#
 SHELL = /bin/bash

.PHONY: all build clean coverage help install package pretty test
.DEFAULT_GOAL := help

# The name of the binary to build
#
ifndef pkg
pkg := $(shell pwd | awk -F/ '{print $$NF}')
endif

# Set the target OS
# Ex: windows, darwin, linux
#
ifndef target_os
	UNAME_S := $(shell uname -s)
	ifeq ($(UNAME_S),Linux)
		target_os = linux
	endif
	ifeq ($(UNAME_S),Darwin)
		target_os = darwin
	endif
	UNAME_P := $(shell uname -p)

	ifeq ($(UNAME_P),x86_64)
		target_arch = amd64
	endif
endif

ifeq ($(target_os),windows)
	target_ext = .exe
endif

ifndef target_arch
	target_arch = amd64
endif

## all		Run lint tools, clean and build
all: pretty clean build

## build		Download dependencies and build
build: prep
	@GOOS=$(target_os) GOARCH=$(target_arch) go build -o ./bin/$(pkg)-$(target_os)

## release		Download dependencies and build release binaries
release: prep
	@GOOS=$(target_os) GOARCH=$(target_arch) go build -ldflags="-s -w" -o ./bin/$(pkg)$(target_ext)

## clean		Clean binaries
clean:
	@rm -rf ./bin

## help		Print available make targets
help:
	@echo
	@echo "Available make targets:"
	@echo
	@sed -ne '/@sed/!s/## /	/p' $(MAKEFILE_LIST)

## install		Build and save binary in `$GOPATH/bin/`
install: pretty
	@GOOS=$(target_os) GOARCH=$(target_arch) go install

## package		Run tests, clean and build binary
package: test clean build

# TODO set a flag to allow the updating of the packages at build time
## prep		Install dependencies
prep:
	@go get

## pretty		Run golint, go fmt and go vet
pretty:
	@golint ./...
	@go fmt ./...
	@go vet ./...

## test		Run tests with coverage
test: pretty
	go test ./... -cover