Makefile

VERSION_TXT    := version.txt
FILE_VERSION   := $(shell cat $(VERSION_TXT))
VERSION        ?= $(FILE_VERSION)
RELEASE        := v$(VERSION)
SEMVER_REGEX   := ^([0-9]+)\.([0-9]+)\.([0-9]+)(-([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?(\+[0-9A-Za-z-]+)?$

.ONESHELL:

test: fmt lint init validate

i init:
	terraform init

l lint:
	@if type tflint &>/dev/null; then
		find -type f -name \*.tf |grep -v '^\./\.' |xargs -L1 dirname|sort -u| xargs -L1 tflint
	else
		echo "Ignoring not found: tflint"
	fi
	@if ! [[ "$(VERSION)" =~ $(SEMVER_REGEX) ]]; then
		echo Invalid semantic version: $(VERSION) >&2
		exit 1
	fi

v validate:
	terraform validate

f fmt:
	terraform fmt

release: update-version
	$(MAKE) build-release

update-version:
	@if git status --porcelain | grep '^[^?]' | grep -vq $(VERSION_TXT); then
		git status
		echo -e "\n>>> Tree is not clean. Please commit and try again <<<\n"
		exit 1
	fi
	[ -n "$$BUILD_VERSION" ] || read -e -i "$(FILE_VERSION)" -p "New version: " BUILD_VERSION
	echo $$BUILD_VERSION > $(VERSION_TXT)

build-release:
	git pull --tags
	git commit -m "Built release $(RELEASE)" $(VERSION_TXT)
	git tag $(RELEASE)
	git push --tags
	git push