Makefile

WGET := $(shell command -v wget 2>/dev/null)
ATOOL := $(shell command -v atool 2>/dev/null)

FROM_SRC ?= 0
RELEASE ?= 0

FILENAME = cataclysmdda-0.D-Linux_x64-Tiles-${RELEASE}.tar.gz
FETCH_URL = https://github.com/CleverRaven/Cataclysm-DDA/releases/download/cdda-jenkins-b${RELEASE}/cataclysmdda-0.D-Linux_x64-Tiles-${RELEASE}.tar.gz

GFX = gfx/MSX++UnDeadPeopleEdition
TARGET_NAME = cataclysmdda-0.D-${RELEASE}
FROM_NAME   = cataclysmdda-0.D-${FROM_SRC}
FROM        = ../${FROM_NAME}
TARGET      = ../${TARGET_NAME}

ifndef WGET
$(error "wget not found. Try apt-get install wget.")
endif

ifndef ATOOL
$(error "atool isn't installed on this system.")
endif

ifeq ($(RELEASE), 0)
$(error "RELEASE must be set, try 'make RELEASE=n' where n is the release version you wish to install.")
endif

ifeq ($(FROM_SRC), 0)
$(error "FROM_SRC must be set, use 'make FROM_SRC=x' where x is the release version currently installed.")
endif

SOURCE = $(FROM)

.PHONY = all
all: $(SOURCE)
	@echo '>>>> all'
	mv $(RELEASE)/$(TARGET_NAME) ../${TARGET_NAME}


SOURCES = $(SOURCE)/config
SOURCES+= $(SOURCE)/save
SOURCES+= $(SOURCE)/templates
SOURCES+= $(SOURCE)/sound
SOURCES+= $(SOURCE)/$(GFX)

$(SOURCE): $(SOURCES)

$(SOURCE)/gfx/%: $(RELEASE)/$(TARGET_NAME)/$(GFX)
	@echo '>>>>> S:G:%'
	mv --target-directory=$(<D) $@/

$(SOURCE)/%: $(RELEASE)/$(TARGET_NAME)
	@echo '>>>>> S:%'
	mv --target-directory=$< $@

$(RELEASE)/$(TARGET_NAME)/$(GFX): $(RELEASE)/$(TARGET_NAME)
	@echo '>>>>> R:IN:GFX'

$(RELEASE)/$(TARGET_NAME): $(RELEASE)/$(FILENAME)
	@echo '>>>>> R:IN'

$(RELEASE)/$(FILENAME): $(RELEASE)
	@echo '>>>>> R:F'
	echo $@
	wget --directory-prefix=$(RELEASE) $(FETCH_URL)
	cd $(RELEASE) &&\
		aunpack -q $(FILENAME) &&\
		mv "cataclysmdda-0.D" $(TARGET_NAME)

$(RELEASE):
	mkdir -p $(RELEASE)