terraform-docs/Makefile

# Project variables
NAME        := terraform-docs
VENDOR      := terraform-docs
DESCRIPTION := generate documentation from Terraform modules in various output formats
URL         := https://github.com/$(VENDOR)/$(NAME)
LICENSE     := MIT

# Repository variables
PACKAGE     := github.com/$(VENDOR)/$(NAME)

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

# Go variables
GOOS        ?= $(shell go env GOOS)
GOARCH      ?= $(shell go env GOARCH)

GOLDFLAGS   :="
GOLDFLAGS   += -X $(PACKAGE)/internal/version.version=$(VERSION)
GOLDFLAGS   += -X $(PACKAGE)/internal/version.commitHash=$(COMMIT_HASH)
GOLDFLAGS   += -X $(PACKAGE)/internal/version.buildDate=$(BUILD_DATE)
GOLDFLAGS   +="

GOBUILD     ?= CGO_ENABLED=0 go build -ldflags $(GOLDFLAGS)
GORUN       ?= GOOS=$(GOOS) GOARCH=$(GOARCH) go run

GOIMPORTS_LOCAL_ARG := -local github.com/terraform-docs/terraform-docs

# Binary versions
GITCHGLOG_VERSION := 0.9.1
GOLANGCI_VERSION  := v1.23.7

.PHONY: all
all: clean verify checkfmt lint test build

#########################
## Development targets ##
#########################
.PHONY: checkfmt
checkfmt: ## Check formatting of all go files
	@ $(MAKE) --no-print-directory log-$@
	@ goimports -l $(GOIMPORTS_LOCAL_ARG) main.go cmd/ internal/ pkg/ scripts/docs/ && echo "OK"

.PHONY: clean
clean: ## Clean workspace
	@ $(MAKE) --no-print-directory log-$@
	rm -rf ./$(BUILD_DIR) ./$(COVERAGE_OUT)

.PHONY: fmt
fmt: ## Format all go files
	@ $(MAKE) --no-print-directory log-$@
	goimports -w $(GOIMPORTS_LOCAL_ARG) main.go cmd/ internal/ pkg/ scripts/docs/

.PHONY: lint
lint: ## Run linter
	@ $(MAKE) --no-print-directory log-$@
	golangci-lint run ./...

.PHONY: staticcheck
staticcheck: ## Run staticcheck
	@ $(MAKE) --no-print-directory log-$@
	go run honnef.co/go/tools/cmd/staticcheck -- ./...

.PHONY: test
test: ## Run tests
	@ $(MAKE) --no-print-directory log-$@
	go test -coverprofile=$(COVERAGE_OUT) -covermode=atomic -v ./...

.PHONY: verify
verify: ## Verify 'vendor' dependencies
	@ $(MAKE) --no-print-directory log-$@
	go mod verify

# removed and gitignoreed 'vendor/', not needed anymore #
.PHONY: vendor deps
vendor:
deps:

###################
## Build targets ##
###################
.PHONY: build
build: clean ## Build binary for current OS/ARCH
	@ $(MAKE) --no-print-directory log-$@
	$(GOBUILD) -o ./$(BUILD_DIR)/$(GOOS)-$(GOARCH)/$(NAME)

.PHONY: build-all
build-all: GOOS   = linux darwin windows freebsd
build-all: GOARCH = amd64 arm
build-all: clean ## Build binary for all OS/ARCH
	@ $(MAKE) --no-print-directory log-$@
	@ ./scripts/build/build-all-osarch.sh "$(BUILD_DIR)" "$(NAME)" "$(VERSION)" "$(GOOS)" "$(GOARCH)" $(GOLDFLAGS)

.PHONY: docs
docs: ## Generate document of formatter commands
	@ $(MAKE) --no-print-directory log-$@
	$(GORUN) ./scripts/docs/generate.go

#####################
## Release targets ##
#####################
PATTERN =

# if the last relase was alpha, beta or rc, 'release' target has to used with current
# cycle release. For example if latest tag is v0.8.0-rc.2 and v0.8.0 GA needs to get
# released the following should be executed: "make release version=0.8.0"
.PHONY: release
release: version ?= $(shell echo $(VERSION) | sed 's/^v//' | awk -F'[ .]' '{print $(PATTERN)}')
release: ## Prepare release
	@ $(MAKE) --no-print-directory log-$@
	@ ./scripts/release/release.sh "$(version)" "$(VERSION)" "1"

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

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

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

####################
## Helper targets ##
####################
.PHONY: authors
authors: ## Generate Authors
	git log --all --format='%aN <%aE>' | sort -u | egrep -v noreply > AUTHORS

.PHONY: changelog
changelog: NEXT ?=
changelog: ## Generate Changelog
	@ $(MAKE) --no-print-directory log-$@
	git-chglog --config ./scripts/chglog/config-full-history.yml --tag-filter-pattern v[0-9]+.[0-9]+.[0-9]+$$ --output CHANGELOG.md $(NEXT)
	@ git add CHANGELOG.md
	@ git commit -m "Update Changelog"
	@ git push origin master

.PHONY: git-chglog
git-chglog:
ifeq (, $(shell which git-chglog))
	curl -sfL https://github.com/git-chglog/git-chglog/releases/download/$(GITCHGLOG_VERSION)/git-chglog_$(shell go env GOOS)_$(shell go env GOARCH) -o $(shell go env GOPATH)/bin/git-chglog && chmod +x $(shell go env GOPATH)/bin/git-chglog
endif

.PHONY: goimports
goimports:
ifeq (, $(shell which goimports))
	GO111MODULE=off go get -u golang.org/x/tools/cmd/goimports
endif

.PHONY: golangci
golangci:
ifeq (, $(shell which golangci-lint))
	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s  -- -b $(shell go env GOPATH)/bin $(GOLANGCI_VERSION)
endif

.PHONY: gox
gox:
ifeq (, $(shell which gox))
	GO111MODULE=off go get -u github.com/mitchellh/gox
endif

.PHONY: tools
tools: ## Install required tools
	@ $(MAKE) --no-print-directory log-$@
	@ $(MAKE) --no-print-directory git-chglog goimports golangci gox

########################################################################
## Self-Documenting Makefile Help                                     ##
## https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html ##
########################################################################
.PHONY: help
help:
	@ grep -h -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'

log-%:
	@ grep -h -E '^$*:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m==> %s\033[0m\n", $$2}'