Golang project Makefile

Makefile

# from https://unwiredcouch.com/2016/05/31/go-make.html?utm_source=golangweekly&utm_medium=email

# variable definitions
NAME := coolthings
DESC := a nice toolkit of helpful things
PREFIX ?= usr/local
VERSION := $(shell git describe --tags --always --dirty)
GOVERSION := $(shell go version)
BUILDTIME := $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
BUILDDATE := $(shell date -u +"%B %d, %Y")
BUILDER := $(shell echo "`git config user.name` <`git config user.email`>")
PKG_RELEASE ?= 1
PROJECT_URL := "https://github.com/mrtazz/$(NAME)"
LDFLAGS := -X 'main.version=$(VERSION)' \
           -X 'main.buildTime=$(BUILDTIME)' \
           -X 'main.builder=$(BUILDER)' \
           -X 'main.goversion=$(GOVERSION)'

# development tasks
test:
    go test $$(go list ./... | grep -v /vendor/ | grep -v /cmd/)

coverage:
    @-go test -v -coverprofile=cover.out $$(go list ./... | grep -v /vendor/ | grep -v /cmd/)
    @-go tool cover -html=cover.out -o cover.html

benchmark:
    @echo "Running tests..."
    @go test -bench=. $$(go list ./... | grep -v /vendor/ | grep -v /cmd/)

CMD_SOURCES := $(shell find cmd -name main.go)
TARGETS := $(patsubst cmd/%/main.go,%,$(CMD_SOURCES))

%: cmd/%/main.go
    go build -ldflags "$(LDFLAGS)" -o $@ $<

MAN_SOURCES := $(shell find man -name "*.md")
MAN_TARGETS := $(patsubst man/man1/%.md,%,$(MAN_SOURCES))

%.1: man/man1/%.1.md
    sed "s/REPLACE_DATE/$(BUILDDATE)/" $< | pandoc -s -t man -o $@


all: $(TARGETS) $(MAN_TARGETS)
.DEFAULT_GOAL:=all

clean:
    rm -rf ./usr
    rm $(TARGETS)
    rm $(MAN_TARGETS)
    
.PHONY: clean