Makefile

BIN_DIR = bin
PROTO_DIR = proto
SERVER_DIR = server
CLIENT_DIR = client


SHELL := bash
SHELL_VERSION = $(shell echo $$BASH_VERSION)
UNAME := $(shell uname -s)
VERSION_AND_ARCH = $(shell uname -rm)
ifeq ($(UNAME),Darwin)
	OS = macos ${VERSION_AND_ARCH}
else ifeq ($(UNAME),Linux)
	OS = linux ${VERSION_AND_ARCH}
else
	$(error OS not supported by this Makefile)
endif
PACKAGE = $(shell head -1 go.mod | awk '{print $$2}')
HELP_CMD = grep -E '^[a-zA-Z_-]+:.*?\#\# .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?\#\# "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
RM_F_CMD = rm -f
RM_RF_CMD = ${RM_F_CMD} -r
SERVER_BIN = ${SERVER_DIR}
CLIENT_BIN = ${CLIENT_DIR}

.DEFAULT_GOAL := help
.PHONY: greet blog calculator help
project := greet calculator blog

blog: $@ ## Generate Pbs and build for blog

$(project):
	protoc -I${PROTO_DIR} --go_opt=module=${PACKAGE} --go_out=. --go-grpc_opt=module=${PACKAGE} --go-grpc_out=. ${PROTO_DIR}/*.proto
	go build -o ${BIN_DIR}/${SERVER_BIN} ./${SERVER_DIR}
	go build -o ${BIN_DIR}/${CLIENT_BIN} ./${CLIENT_DIR}

clean_blog: ## Clean generated files for blog
	${RM_F_CMD} ${PROTO_DIR}/*.pb.go

rebuild: clean all ## Rebuild the whole project

bump: all ## Update packages version
	go get -u ./...

about: ## Display info related to the build
	@echo "OS: ${OS}"
	@echo "Shell: ${SHELL} ${SHELL_VERSION}"
	@echo "Protoc version: $(shell protoc --version)"
	@echo "Go version: $(shell go version)"
	@echo "Go package: ${PACKAGE}"
	@echo "Openssl version: $(shell openssl version)"

help: ## Show this help
	@${HELP_CMD}