Makefile semver

Makefile

.PHONY: help
## ENVIRONMENT VARIABLES
VERSION_FILE = release-candidate.txt
SEMVER ?= 0.1.0
CURRENT_VERSION := $(shell [ -f $(VERSION_FILE) ] && cat $(VERSION_FILE) || echo $(SEMVER))

# Self-Documented Makefile
# https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
help:
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
.DEFAULT_GOAL := help

################### samver ###################
increment_major = $(shell \
	VERSION=$$(echo $(CURRENT_VERSION) | sed 's/^v//'); \
	MAJOR=$$(echo $$VERSION | cut -d. -f1); \
	MINOR=$$(echo $$VERSION | cut -d. -f2); \
	PATCH=$$(echo $$VERSION | cut -d. -f3); \
	MAJOR=$$((MAJOR + 1)); \
	echo "v$$MAJOR.0.0" \
)

increment_minor = $(shell \
	VERSION=$$(echo $(CURRENT_VERSION) | sed 's/^v//'); \
	MAJOR=$$(echo $$VERSION | cut -d. -f1); \
	MINOR=$$(echo $$VERSION | cut -d. -f2); \
	PATCH=$$(echo $$VERSION | cut -d. -f3); \
	MINOR=$$((MINOR + 1)); \
	echo "v$$MAJOR.$$MINOR.0" \
)

increment_patch = $(shell \
	VERSION=$$(echo $(CURRENT_VERSION) | sed 's/^v//'); \
	MAJOR=$$(echo $$VERSION | cut -d. -f1); \
	MINOR=$$(echo $$VERSION | cut -d. -f2); \
	PATCH=$$(echo $$VERSION | cut -d. -f3); \
	PATCH=$$((PATCH + 1)); \
	echo "v$$MAJOR.$$MINOR.$$PATCH" \
)

.PHONY: semver
semver: ## Show current version
	@echo "Versão atual: $(CURRENT_VERSION)"

.PHONY: major
major: ## Increment major version
	$(eval NEW_VERSION := $(call increment_major))
	@echo $(NEW_VERSION) > $(VERSION_FILE)
	@echo "Versão Major incrementada para: $(NEW_VERSION)"

.PHONY: minor
minor: ## Increment minor version
	$(eval NEW_VERSION := $(call increment_minor))
	@echo $(NEW_VERSION) > $(VERSION_FILE)
	@echo "Versão Minor incrementada para: $(NEW_VERSION)"

.PHONY: patch
patch: ## Increment patch version
	$(eval NEW_VERSION := $(call increment_patch))
	@echo $(NEW_VERSION) > $(VERSION_FILE)
	@echo "Versão Patch incrementada para: $(NEW_VERSION)"

.PHONY: save
save: ## Save current version
	@echo $(CURRENT_VERSION) > $(VERSION_FILE)
	@echo "Versão atual salva como: $(CURRENT_VERSION)"