INTO := $(HOME)

INSTALL := \
    .agignore \
    .bash_logout \
    .bash_profile \
    .bashrc \
    .config/alacritty/alacritty.yml \
    .config/touchegg/touchegg.conf \
    .crawlrc \
    .gdbinit \
    .gitconfig \
    .gitignore \
    .i3status.conf \
    .inputrc \
    .ledgerrc \
    .less \
    .mailcap \
    .mpdconf \
    .msmtprc \
    .muttrc \
    .nethackrc \
    .notmuch-config \
    .offlineimaprc \
    .perlcriticrc \
    .procmailrc \
    .profile \
    .proverc \
    .replyrc \
    .screenrc \
    .tigrc \
    .tmux.conf \
    .vimrc \
    .wunderground \
    .xbindkeysrc \
    .Xdefaults \
    .xinitrc \
    .xprofile \
    .Xmodmap \
    .zlogout \
    .zshcomplete \
    .zshinput \
    .zshrc \
    .abook \
    .bin \
    .config/karabiner \
    .dzil \
    .fortune \
    .gnupg \
    .hammerspoon \
    .i3 \
    .mpdscribble \
    .ncmpcpp \
    .offlineimap \
    .procmail \
    .services \
    .sh \
    .ssh \
    .terminfo \
    .tex \
    .vim \
    .weechat \
    .zsh

EMPTYDIRS := \
    $(patsubst services/available/%,.log/%,$(wildcard services/available/*)) \
    Maildir \
    .cache/mutt/headers \
    .cache/mutt/bodies \
    .cache/mpd \
    .cache/vim/hist \
    .cache/vim/undo \
    .config/mpd/playlists

INSTALLED := \
    $(patsubst %,$(INTO)/%,$(EMPTYDIRS) $(INSTALL)) \
    /var/spool/cron/$(USER) \
    $(INTO)/Maildir/.notmuch

BUILD := \
    $(patsubst services/available/%,services/enabled/%,$(wildcard services/available/*)) \
    $(addsuffix .dat,$(filter-out %.dat,$(wildcard fortune/*))) \
    $(addsuffix tags,$(wildcard vim/pack/*/start/*/doc/)) \
    vim/spell/en.utf-8.add.spl \
    less \
    wunderground \
    mpdscribble/mpdscribble.conf \
    bin/local/timettyrec

ECHO      = @echo
LN        = @ln -sf
MKDIR     = @mkdir -p
RM        = @rm -f

# named targets

all : submodules build

submodules :
	@git submodule update --init --recursive

build : $(BUILD)

install : all $(INSTALLED)
	@chmod 600 msmtprc
	@chmod 700 gnupg
	$(ECHO) Installed into $(INTO)

clean :
	$(ECHO) Cleaning from $(INTO)
	@crontab -r
	$(RM) $(BUILD) $(INSTALLED)

update :
	@git submodule foreach '(if [ $$path == "vim/pack/filetype/start/perl" ]; then git checkout dev; else git checkout master; fi) && git pull'

versions :
	@git submodule foreach -q 'printf "%-53s" " $$path" && GIT_PAGER=cat git show -s --format=format:%cI%n $$sha1'

updates :
	@git submodule foreach -q 'if [ $$path == "vim/pack/filetype/start/perl" ]; then if [ $$(git rev-parse dev) != $$sha1 ]; then git lg dev...$$sha1; fi; else if [ $$(git rev-parse master) != $$sha1 ]; then git lg master...$$sha1; fi; fi'

.PHONY: all submodules build install clean update versions updates

# installation targets

$(patsubst %,$(INTO)/%,$(EMPTYDIRS)) :
	$(MKDIR) $@

$(patsubst %,$(INTO)/%,$(INSTALL)) : $(INTO)/.% : %
	@[ ! -e $@ ] || [ -h $@ ] || mv -f $@ $@.bak
	$(MKDIR) $(notdir $@)
	$(LN) $(PWD)/$< $@

/var/spool/cron/$(USER) : crontab
	@crontab $<

$(INTO)/Maildir/.notmuch: notmuch
	@[ ! -e $@ ] || [ -h $@ ] || mv -f $@ $@.bak
	$(MKDIR) $(INTO)/Maildir
	$(LN) $(PWD)/$< $@

# build targets

services/enabled/% : services/available/%
	$(MKDIR) services/enabled
	$(LN) ../available/$(notdir $<) $@

fortune/%.dat : fortune/%
	$(ECHO) "Compiling $@"
	@strfile -s $(basename $@)

%/doc/tags: %/doc
	@vim -u NONE -c':helptags $< | :q'

%.spl : %
	@vim -u NONE -c':mkspell! $< | :q'

less : lesskey
	lesskey -o $@ $<

wunderground :
	[ -e ~/.password-store ] && pass show websites/wunderground.com/wunderground@tozt.net > $@ || touch $@

mpdscribble/mpdscribble.conf : mpdscribble/mpdscribble.conf.tmpl
	[ -e ~/.password-store ] && perl -E'while (<STDIN>) { if (/^password =/) { say "password = $$ARGV[0]" } else { print } }' "$$(pass show websites/last.fm/doyster)" < $< > $@ || touch $@