Self documenting Makefile with target groups

Makefile

##@ Group

command:		## Help for target 1
	@echo Target 1
another_command:	## Help for target 2
	@echo Target 1
more_stuff:		## Help for target 3
	@echo Target 1

##@ Another group

a_long_target_name: 	## With a help text
	@echo The long one

##@ Utilities

.PHONY: help
help:  			## Display this help
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-20s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)