# GNUmakefile --- GNU Makefile for building my personal site

# Copyright (C) 2020-2021 Amin Bandali <bandali@gnu.org>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see
# <https://www.gnu.org/licenses/>.


SITE_DOMAIN := 'https://shemshak.org'
SITE_PREFIX := '/~bandali'
SITE_URL := '$(SITE_DOMAIN)$(SITE_PREFIX)'

SRC := $(filter-out $(wildcard meta_*), $(wildcard *.m4))
OUTPUTS := $(patsubst %.m4,out/%.html, $(SRC))
STATIC := $(patsubst static/%,out/%, $(filter-out static/GNUmakefile, $(wildcard static/* static/.*)))

all: $(OUTPUTS) out/notes.atom out/notes.rss out/style.css out/GNUmakefile $(STATIC)

out/%.html: %.m4 header.html footer.html
	@mkdir -p $(@D)
	m4 -D__d=$(SITE_DOMAIN) -D__p=$(SITE_PREFIX) $< > $@
out/notes.%: meta_feed_%.m4 $(SRC) header.html footer.html
	m4 -D__d=$(SITE_DOMAIN) -D__p=$(SITE_PREFIX) $< > $@
	sed -i 's|href="/\([^/]\)|href="$(SITE_DOMAIN)/\1|' $@
	sed -i 's|href="//|href="https://|' $@
out/GNUmakefile: GNUmakefile ; ln -s $(PWD)/$< $@
$(STATIC): ; ln -s $(PWD)/static/$(@F) $@

# publications bibliography
static/publications-partial.html: static/bandali.bib static/bandali-bib-*
static/publications-partial.html: $(filter-out static/publications-partial.html, $(wildcard static/publications-*))
static/publications-partial.html:
	$(MAKE) -C $(@D) $(@F)
out/publications.html: static/publications-partial.html
out/bandali-bib.html: static/bandali-bib-partial.html

clean:
	rm -rf out/

deploy:
	rsync -avzLP out/ bandali@shemshak.org:~/public_html/

watch:
	while true; do \
	echo $(SRC) header.html footer.html \
	static/bandali.bib static/bandali-bib-* static/publications-* \
	GNUmakefile static/GNUmakefile | \
	tr " " "\n" | entr -d make; done

.PHONY: deploy watch