Makefile

# Project variables
NAME        := go-cloudca
DESCRIPTION := A cloud.ca client for the Go programming language
VENDOR      := cloud.ca
URL         := https://github.com/cloud-ca/go-cloudca
LICENSE     := MIT

# Build variables
BUILD_DIR   := bin
COMMIT_HASH := $(shell git rev-parse --short HEAD 2>/dev/null)
VERSION     := $(shell git describe --tags --exact-match 2>/dev/null || git describe --tags 2>/dev/null || echo "v0.0.0-$(COMMIT_HASH)")
BUILD_DATE  := $(shell date +%FT%T%z)

# Go variables
GOPKGS      := $(shell go list ./... | grep -v /vendor)
GOFILES     := $(shell find . -type f -name '*.go' -not -path "./vendor/*")

# General variables
BLUE_COLOR  := \033[36m
NO_COLOR    := \033[0m

.PHONY: version
version: ## Show version of provider
	@echo "$(NAME) - $(VERSION) - $(BUILD_DATE)"

#########################
## Development targets ##
#########################
.PHONY: clean
clean: log-clean ## Clean builds
	rm -rf ./$(BUILD_DIR) $(NAME)

.PHONY: vendor
vendor: log-vendor ## Install 'vendor' dependencies
	GO111MODULE=on go mod vendor

.PHONY: verify
verify: log-verify ## Verify 'vendor' dependencies
	GO111MODULE=on go mod verify

.PHONY: lint
lint: log-lint ## Run linter
	@bash -c "GO111MODULE=off gometalinter -d ./... 2> >(egrep '(^DEBUG.*linter took|^DEBUG.*total elapsed|^[^D])' >&2)"

.PHONY: format
format: log-format ## Format all go files
	go fmt $(GOPKGS)

.PHONY: checkfmt
checkfmt: SHELL :=/bin/bash
checkfmt: RESULT = $(shell gofmt -l $(GOFILES) | tee >(if [ "$$(wc -l)" = 0 ]; then echo "OK"; fi))
checkfmt: log-checkfmt ## Check formatting of all go files
	@echo "$(RESULT)"
	@if [ "$(RESULT)" != "OK" ]; then exit 1; fi

.PHONY: test
test: log-test ## Run tests
	go test -v $(GOPKGS)

.PHONY: tools
tools: log-tools ## Install required tools
	@cd $$GOPATH && curl -L https://git.io/vp6lP | sh # gometalinter
	@cd /tmp && go get -v -u github.com/git-chglog/git-chglog/cmd/git-chglog # git-chglog

#####################
## Release targets ##
#####################
.PHONY: authors
authors: log-authors ## Generate list of Authors
	@echo "# Authors\n" > AUTHORS.md
	git log --all --format='- %aN \<%aE\>' | sort -u | egrep -v noreply >> AUTHORS.md

.PHONY: changelog
changelog: log-changelog ## Generate content of Changelog
	git-chglog --output CHANGELOG.md

.PHONY: release patch minor major
PATTERN =

release: version ?= $(shell echo $(VERSION) | sed 's/^v//' | awk -F'[ .]' '{print $(PATTERN)}')
release: push ?= false
release: SHELL :=/bin/bash
release: log-release ## Prepare Module release
	@ if [ -z "$(version)" ]; then \
		echo "Error: missing value for 'version'. e.g. 'make release version=x.y.z'"; \
	elif [ "v$(version)" = "$(VERSION)" ] ; then \
		echo "Error: provided version (v$(version)) exists."; \
	else \
		git tag --annotate --message "v$(version) Release" v$(version); \
		echo "Tag v$(version) Release"; \
		if [ $(push) = "true" ]; then \
			git push origin v$(version); \
			echo "Push v$(version) Release"; \
		fi \
	fi

patch: PATTERN = '\$$1\".\"\$$2\".\"\$$3+1'
patch: release ## Prepare Module Patch release

minor: PATTERN = '\$$1\".\"\$$2+1\".0\"'
minor: release ## Prepare Module Minor release

major: PATTERN = '\$$1+1\".0.0\"'
major: release ## Prepare Module Major release

####################################
## Self-Documenting Makefile Help ##
####################################
.PHONY: help
.DEFAULT_GOAL := help
help:
	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "$(BLUE_COLOR)%-20s$(NO_COLOR) %s\n", $$1, $$2}'

log-%:
	@grep -h -E '^$*:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "$(BLUE_COLOR)==> %s$(NO_COLOR)\n", $$2}'