# Copyright (c) 2021–2022  Teddy Wing
#
# This file is part of Extreload.
#
# Extreload 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.
#
# Extreload 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 Extreload. If not, see <https://www.gnu.org/licenses/>.


prefix ?= /usr/local
exec_prefix ?= $(prefix)
bindir ?= $(exec_prefix)/bin
datarootdir ?= $(prefix)/share
mandir ?= $(datarootdir)/man
man1dir ?= $(mandir)/man1


LISP ?= sbcl

VERSION := $(shell fgrep ':version' extreload.asd | awk -F '"' '{ print $$2 }')

MAN_PAGE := doc/extreload.1

DIST := $(abspath dist)
DIST_PRODUCT := $(DIST)/bin/extreload
DIST_MAN_PAGE := $(DIST)/share/man/man1/extreload.1


.PHONY: build
build: extreload

extreload: extreload.asd lib/* src/*.lisp
	$(LISP) --load extreload.asd \
		--eval '(ql:quickload :extreload)' \
		--eval '(asdf:make :extreload)' \
		--eval '(quit)'


.PHONY: doc
doc: $(MAN_PAGE)

$(MAN_PAGE): doc/extreload.1.txt
	a2x --no-xmllint --format manpage $<


.PHONY: dist
dist: $(DIST_PRODUCT) $(DIST_MAN_PAGE)

$(DIST):
	mkdir -p $@

$(DIST)/bin: $(DIST)
	mkdir -p $@

$(DIST)/share/man/man1: $(DIST)
	mkdir -p $@

$(DIST_PRODUCT): $(DIST)/bin extreload
	cp extreload $<

$(DIST_MAN_PAGE): $(DIST)/share/man/man1 $(MAN_PAGE)
	cp $(MAN_PAGE) $<


bundle: extreload.asd src/*.lisp
	mkdir -p lib/extreload
	cp -a extreload.asd src lib/extreload/

	$(LISP) --load bundle.lisp

bundle/bundled-local-projects/0000/extreload/extreload: bundle
	$(LISP) --load bundle/bundle.lisp \
		--eval '(asdf:make :extreload)' \
		--eval '(quit)'


.PHONY: pkg
pkg: extreload_$(VERSION).tar.bz2

extreload_$(VERSION).tar.bz2: bundle extreload.asd src/*.lisp
	git archive \
		--prefix=extreload_$(VERSION)/ \
		--output=extreload_$(VERSION).tar \
		HEAD
	tar -r \
		-s ,bundle,extreload_$(VERSION)/bundle, \
		-f extreload_$(VERSION).tar \
		bundle
	bzip2 extreload_$(VERSION).tar


.PHONY: install
install: bundle/bundled-local-projects/0000/extreload/extreload $(MAN_PAGE)
	install -m 755 bundle/bundled-local-projects/0000/extreload/extreload $(DESTDIR)$(bindir)

	install -d $(DESTDIR)$(man1dir)
	install -m 644 $(MAN_PAGE) $(DESTDIR)$(man1dir)