Makefile

# This way everything works as expected ever for
# `make -C /path/to/project` or
# `make -f /path/to/project/Makefile`.
MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
PROJECT_DIR := $(patsubst %/,%,$(dir $(MAKEFILE_PATH)))
LUACOV_REPORT := $(PROJECT_DIR)/luacov.report.out
LUACOV_STATS := $(PROJECT_DIR)/luacov.stats.out

# Look for .rocks/bin directories upward starting from the project
# directory.
#
# It is useful for luacheck and luatest.
#
# Note: The PROJECT_DIR holds a real path.
define ENABLE_ROCKS_BIN
	$(if $(wildcard $1/.rocks/bin),
		$(eval ROCKS_PATH := $(if $(ROCKS_PATH),$(ROCKS_PATH):,)$1/.rocks/bin)
	)
	$(if $1,
		$(eval $(call ENABLE_ROCKS_BIN,$(patsubst %/,%,$(dir $1))))
	)
endef
$(eval $(call ENABLE_ROCKS_BIN,$(PROJECT_DIR)))

# Add found .rocks/bin to PATH.
PATH := $(if $(ROCKS_PATH),$(ROCKS_PATH):$(PATH),$(PATH))

SHELL := $(shell which bash)
SEED ?= $(shell /bin/bash -c "echo $$RANDOM")

all: test

check: luacheck

luacheck:
	luacheck --config .luacheckrc --codes .

.PHONY: test
test:
	luatest -v --shuffle all:${SEED}

$(LUACOV_STATS): test-coverage

test-coverage:
	luatest -v --coverage --shuffle all:${SEED}
	sed -i -e 's@'"$$(realpath .)"'/@@' $(LUACOV_STATS)
	cd $(PROJECT_DIR) && luacov roles/
	grep -A999 '^Summary' $(LUACOV_REPORT)

coveralls: $(LUACOV_STATS)
	echo "Send code coverage data to the coveralls.io service"
	luacov-coveralls --include ^roles --verbose --repo-token ${GITHUB_TOKEN}

deps-test:
	tt rocks install luatest 1.0.1

deps-coverage: deps-test
	tt rocks install luacov 0.13.0-1
	tt rocks install luacov-coveralls 0.2.3-1 --server=http://luarocks.org

deps-lint:
	tt rocks install luacheck 0.26.0

deps:
ifeq ($(depname), test)
	$(MAKE) deps-test
else ifeq ($(depname), coverage)
	$(MAKE) deps-coverage
else ifeq ($(depname), lint)
	$(MAKE) deps-lint
else
	$(MAKE) deps-coverage deps-lint
endif
	tt rocks make