support/make/mutant.mk
mutate: ## Run mutation tests
@echo "Running mutation tests"
@bundle exec mutant run $(SUBJECT)
mutate-fast: ## Run mutation tests with --fail-fast
@echo "Running mutation tests"
@bundle exec mutant run --fail-fast $(SUBJECT)
mutate-changes: ## Run incremental mutation tests
@echo "Running mutation tests"
@bundle exec mutant run --since HEAD~1 $(SUBJECT)