Makefile for watching changes and runinng nose-test on each change

Makefile

.PHONY: default watch-test test

WATCH_EXEC=$(if $(shell which inotifywait),"inotifywait","fswatch")
WATCH_ARGS=$(if $(shell which inotifywait),"-qre" "close_write" ".","*/*.elm" "-1")

default:
	echo "heisann"


test:
	nosetests test/test_1_parsing.py  --stop
	nosetests test/test_2_evaluating_simple_expressions.py --stop
	nosetests test/test_3_evaluating_complex_expressions.py --stop
	nosetests test/test_4_working_with_variables_and_environments.py --stop
	nosetests test/test_5_adding_functions_to_the_mix.py --stop
	nosetests test/test_6_working_with_lists.py --stop
	nosetests test/test_7_using_the_language.py --stop
	nosetests test/test_8_final_touches.py --stop

watch: default 
	$(if $(shell which $(WATCH_EXEC)),,echo "No file-watcher found, cannot enter watch-loop"; exit 1)
	date
	while true ; do \
		$(WATCH_EXEC) $(WATCH_ARGS) ; \
		date ; \
		make test; \
		sleep 1; \
	done