Self-Documenting Makefile

Makefile

# Colors -- https://www.linuxjournal.com/article/8603
BLACK   = "\\033[30m"
RED     = "\\033[31m"
GREEN   = "\\033[32m"
YELLOW  = "\\033[33m"
BLUE    = "\\033[34m"
MAGENTA = "\\033[35m"
CYAN    = "\\033[36m"
WHITE   = "\\033[37m"
END		= "\\033[0m"
UNDERLINE = "\\033[4m"

COLWIDTH=8
help: Makefile ## Print this help
	@echo ""
	@printf "%s ${CYAN}%s${END}\n" "make" "<target>"
	@echo ""
	@printf "$(UNDERLINE)$(CYAN)%-$(COLWIDTH)s: $(END) $(UNDERLINE)%s$(END)\n" "<target>" "<description>"
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort |awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-$(COLWIDTH)s: \033[0m %s\n", $$1, $$2}'
	@echo ""
	@echo ""
	
.DEFAULT_GOAL := help