# Makefile for px.cnx.gdn
# Copyright (C) 2023  Nguyễn Gia Phong
#
# This program is licensed under CC BY-SA 4.0.

SHELL = /bin/sh
PREFIX ?= /tmp/px.cnx.gdn

PICTURES := $(filter-out %.small.jpg $(PREFIX)/%.jpg, $(wildcard */*.jpg))
THUMBNAILS := $(patsubst %.jpg,%.small.jpg,$(PICTURES))
DATA := $(wildcard */index.xml)
PAGES := $(patsubst %.xml,%.xhtml,$(DATA))
OUTPUTS := $(THUMBNAILS) $(PAGES) atom.xml
ALL := $(OUTPUTS) $(PICTURES) index.xhtml favicon.png style.css

all: $(OUTPUTS)

%.small.jpg: %.jpg
	epeg -w 1024 -p -q 80 $< $@

%.xhtml: %.xml page.xslt
	xsltproc page.xslt $< > $@

atom.xml: atom.xslt $(DATA) $(wildcard *.svg)
	xsltproc atom.xslt > atom.xml

clean:
	rm -f atom.xml */{index.xhtml,*.small.jpg}

$(PREFIX)/%: %
	install -Dm644 $< $@

install: all $(addprefix $(PREFIX)/,$(ALL))

uninstall:
	rm -fr $(PREFIX)

live: $(THUMBNAILS)
	ln -fs index.xhtml index.xml

.PHONY: all clean install uninstall live