Makefile template for Go projects

.PHONY: help run test build dist clean tools dist-tools deps update-deps vendor

all:
	@echo "make <cmd>"
	@echo ""
	@echo "commands:"
	@echo "  run                   - run in dev mode"
	@echo "  test                  - run go tests"
	@echo "  build                 - build binaries into bin/ directory"
	@echo "  clean                 - clean up bin/ directory"
	@echo ""
	@echo "  dist                  - clean build with deps and tools"
	@echo "  tools                 - go get's a bunch of tools for dev"
	@echo "  deps                  - pull and setup dependencies"
	@echo "  update-deps           - update deps lock file from ./..."
	@echo "  vendor                - rebuild vendor/ directory from deps"


print-%: ; @echo $*=$($*)

##
## Tools
##
tools: dist-tools
	go get github.com/pkieltyka/fresh

dist-tools:
	@mkdir -p ./bin
	go get github.com/pressly/glock
	go get github.com/pressly/gv


##
## Development
##

run:
	@(export cd ./cmd/myproject && fresh -w=../..)

test:
	@GOGC=off go test $$(GO15VENDOREXPERIMENT=1 go list ./... | grep -v '/vendor/')

dist-test:
	@GO15VENDOREXPERIMENT=1 $(MAKE) test


##
## Building
##
dist: clean
	GO15VENDOREXPERIMENT=1 $(MAKE) build

build:
	@mkdir -p ./bin
	GOGC=off go build -i -ldflags "$(LDFLAGS)" -o ./bin/myproject ./cmd/myproject

clean:
	@rm -rf $$GOPATH/pkg/*/github.com/pressly/myproject{,.*}
	@rm -rf ./bin


##
## Dependency mgmt
##
deps:
	@glock sync github.com/pressly/myproject

update-deps:
	@echo "Updating Glockfile with package versions from GOPATH..."
	@rm -rf ./vendor
	@glock save github.com/pressly/myproject
	@$(MAKE) vendor

vendor:
	@echo "Syncing dependencies into vendor directory..."
	@rm -rf ./vendor
	@gv < Glockfile