# Copyright (c) 2015-2017, Loïc Hoguin <essen@ninenines.eu>
# This file is part of erlang.mk and subject to the terms of the ISC License.

.PHONY: ci ci-prepare ci-setup

CI_OTP ?=

ifeq ($(strip $(CI_OTP)),)
ci::
else

ci:: $(addprefix ci-,$(CI_OTP))

ci-prepare: $(addprefix ci-prepare-,$(CI_OTP))

ci-setup::
	$(verbose) :

ci-extra::
	$(verbose) :

ci_verbose_0 = @echo " CI    " $(1);
ci_verbose = $(ci_verbose_$(V))

define ci_target
ci-prepare-$1: $(KERL_INSTALL_DIR)/$2
	$(verbose) :

ci-$1: ci-prepare-$1
	$(verbose) $(MAKE) --no-print-directory clean
	$(ci_verbose) \
		PATH="$(KERL_INSTALL_DIR)/$2/bin:$(PATH)" \
		CI_OTP_RELEASE="$1" \
		CT_OPTS="-label $1" \
		CI_VM="$3" \
		$(MAKE) ci-setup tests
	$(verbose) $(MAKE) --no-print-directory ci-extra
endef

$(foreach otp,$(CI_OTP),$(eval $(call ci_target,$(otp),$(otp),otp)))

$(foreach otp,$(filter-out $(ERLANG_OTP),$(CI_OTP)),$(eval $(call kerl_otp_target,$(otp))))

help::
	$(verbose) printf "%s\n" "" \
		"Continuous Integration targets:" \
		"  ci          Run '$(MAKE) tests' on all configured Erlang versions." \
		"" \
		"The CI_OTP variable must be defined with the Erlang versions" \
		"that must be tested. For example: CI_OTP = OTP-17.3.4 OTP-17.5.3"

endif