Stolen from http://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
- Begin comments with
## - Add to the Makefile
.PHONY: help
help:
@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?FS## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'