make

seedling

Docs

https://www.gnu.org/software/make/manual/make.html

Make help

Set default target .DEFAULT_GOAL := help

https://gist.github.com/prwhite/8168133

.PHONY: help
help: ## Help
	@awk 'BEGIN {FS = ":.*##"; printf "Usage: make \033[36m<target>\033[0m\n"} /^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-10s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
Make help demo

Testing for a required variable with test

.PHONY add-migration:
add-migration: ## Create migration. Usage make add-migration name=""
	@test -n "$(name)" || (echo 'A name must be defined for the migration. Ex: make add-migration name=init' && exit 1)
	docker-compose exec web alembic revision --autogenerate -m "$(name)"

https://stackoverflow.com/questions/4728810/how-to-ensure-makefile-variable-is-set-as-a-prerequisite