MODULES=xmodmap emacs xdg shepherd

STOW = stow
EMACS = emacs
SCHEME_IMPLEMENTATION = guile

define tangle =
	@echo -e "\e[35mOBT\e[0m" $<
	@$(EMACS) -quick -batch \
        -eval "(package-initialize)" \
        -load ob-tangle \
        -eval "(setq sh-make-vars-local nil)" \
        -eval "(setq geiser-default-implementation '$(SCHEME_IMPLEMENTATION))" \
        -eval "(org-babel-tangle-file \"$<\" \"$(PWD)/$@\" \"$(1)\")"
endef

.PHONY: all clean $(MODULES) zsh

all: $(MODULES)

install:
	cp --recursive --verbose build/. ~/

clean:
	rm -r build

zsh:
	$(MAKE) -C $@

before-%-install:				# Dummy recipe
	@true

%-stow: % before-%-install
	$(STOW) $<

%-install: %-stow				# Dummy recipe
	@true

%-uninstall:
	$(STOW) -D $(subst -uninstall,,$@)

# Picom

picom: picom/.config/picom.conf

picom/.config/picom.conf: picom/.config/picom.org
	$(call tangle,conf)

picom-clean:
	rm -f picom/.config/picom.conf

#########
# Emacs #
#########

emacs: build/.config/shepherd/init.d/ build/.config/shepherd/init.d/emacs.scm \
       emacs/.config/emacs/init.elc

build/.config/shepherd/init.d/emacs.scm: emacs/.config/shepherd/init.d/emacs.org
	$(call tangle)

###########
# Xmodmap #
###########

xmodmap: build/ build/.Xmodmap

build/.Xmodmap: xmodmap/Xmodmap.org
	$(call tangle,fundamental)

xmodmap-clean:
	rm -f build/.Xmodmap

#########
# Cower #
#########

cower: cower/.config/cower/config

cower/.config/cower/config: cower/.config/cower/config.org
	$(call tangle,conf-unix)

cower-clean:
	rm -f cower/.config/cower/config

#############
# Mowedline #
#############

mowedline: mowedline/.config/mowedline/init.scm

mowedline/.config/mowedline/init.scm: SCHEME_IMPLEMENTATION = chicken
mowedline/.config/mowedline/init.scm: mowedline/.config/mowedline/init.org
	$(call tangle,scheme)

mowedline-clean:
	rm -f mowedline/.config/mowedline/init.scm

#########
# Dunst #
#########

dunst: dunst/.config/dunst/dunstrc

dunst/.config/dunst/dunstrc: dunst/.config/dunst/dunstrc.org
	$(call tangle,conf-unix)

dunst-clean:
	rm -f dunst/.config/dunst/dunstrc

# X11

x11-install: lib-install x11/dot-x11-0-1-any.pkg.tar.xz

x11/dot-x11-0-1-any.pkg.tar.xz: x11/PKGBUILD
	cd x11 && makepkg -sicf

#######
# XDG #
#######

xdg: build/.config/ build/.config/mimeapps.list build/.config/user-dirs.dirs \
     build/.config/user-dirs.locale

build/.config/mimeapps.list: xdg/.config/mimeapps.list.org
	$(call tangle)

build/.config/user-dirs.dirs: xdg/.config/user-dirs.dirs.org
	$(call tangle)

build/.config/user-dirs.locale: xdg/.config/user-dirs.locale.org
	$(call tangle)

# Shepherd

shepherd: build/.config/shepherd/ build/.config/shepherd/init.scm

build/.config/shepherd/init.scm: shepherd/.config/shepherd/init.org
	$(call tangle)

# Helper

%.el: %.org
	$(call tangle,emacs-lisp)

%.elc: %.el
	@echo -e "\e[36mELC\e[0m" $<
	$(EMACS) -batch -f batch-byte-compile $<

%: %.org
	$(call tangle)

%/:
	mkdir -p $@