# Escript plugin.

ESCRIPT_TARGETS = $(call list_targets,escript)

.PHONY: escript $(ESCRIPT_TARGETS)

escript: $(ESCRIPT_TARGETS)

escript-build: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the escript exists"
	$t test -f $(APP)/$(APP)

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Distclean the application"
	$t $(MAKE) -C $(APP) distclean $v

	$i "Check that the escript was removed"
	$t test ! -e $(APP)/$(APP)

escript-build-deps: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Add Ranch to the list of dependencies"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "DEPS = ranch\n"}' $(APP)/Makefile

	$i "Add lfe.mk to the list of build dependencies"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "BUILD_DEPS = lfe.mk\ndep_lfe.mk = git https://github.com/ninenines/lfe.mk master\n"}' $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the build dependency was fetched"
	$t test -d $(APP)/deps/lfe.mk

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Check that the escript does not contain the build dependency"
	$t ! unzip -l $(APP)/$(APP) 2> /dev/null | grep -q lfe

escript-deps: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Add Ranch to the list of dependencies"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "DEPS = ranch\n"}' $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Check that the escript contains the dependency"
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q ranch

escript-deps-with-deps: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Add Cowboy 1.0.0 to the list of dependencies"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "DEPS = cowboy\ndep_cowboy_commit = 1.0.0\n"}' $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the application"
	$t $(MAKE) -C $(APP) $v

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Check that the escript contains the dependencies"
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q cowboy
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q cowlib
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q ranch

escript-distclean: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Use a non-standard name for the escript"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "ESCRIPT_FILE = real-escript\n"}' $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the escript runs"
	$t test ! -f $(APP)/$(APP)
	$t $(APP)/real-escript | grep -q good

	$i "Check that make distclean removes the generated escript"
	$t $(MAKE) -C $(APP) distclean $v
	$t test ! -f $(APP)/$(APP)
	$t test ! -f $(APP)/real-escript

escript-extra: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Instruct Erlang.mk to add extra files to the escript"
	$t printf "%s\n" \
		"escript-zip::" \
		'	$$(verbose) $$(ESCRIPT_ZIP) $$(ESCRIPT_ZIP_FILE) Makefile erlang.mk' >> $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Check that the escript contains the extra files"
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q Makefile
	$t unzip -l $(APP)/$(APP) 2> /dev/null | grep -q erlang.mk

escript-zip-file: init

	$i "Bootstrap a new OTP library named $(APP)"
	$t mkdir $(APP)/
	$t cp ../erlang.mk $(APP)/
	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v

	$i "Set ESCRIPT_ZIP_FILE to a custom location"
	$t perl -ni.bak -e 'print;if ($$.==1) {print "ESCRIPT_ZIP_FILE = tmp/my_escript.zip\n"}' $(APP)/Makefile

	$i "Generate a module containing a function main/1"
	$t printf "%s\n" \
		"-module($(APP))." \
		"-export([main/1])." \
		'main(_) -> io:format("good~n").' > $(APP)/src/$(APP).erl

	$i "Build the escript"
	$t $(MAKE) -C $(APP) escript $v

	$i "Check that the file at ESCRIPT_ZIP_FILE exists"
	$t test -f $(APP)/tmp/my_escript.zip

	$i "Check that the escript exists"
	$t test -f $(APP)/$(APP)

	$i "Check that the escript runs"
	$t $(APP)/$(APP) | grep -q good

	$i "Distclean the application"
	$t $(MAKE) -C $(APP) distclean $v

	$i "Check that the file at ESCRIPT_ZIP_FILE was removed"
	$t test ! -e $(APP)/tmp/my_escript.zip

	$i "Check that the escript was removed"
	$t test ! -e $(APP)/$(APP)