# tissue --- Text based issue tracker
# Copyright © 2022, 2023 Arun Isaac <arunisaac@systemreboot.net>
# Copyright © 2023 Morgan Smith <Morgan.J.Smith@outlook.com>
#
# This file is part of tissue.
#
# tissue 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.
#
# tissue 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 tissue.  If not, see <https://www.gnu.org/licenses/>.

project = tissue
version = $(subst v,,$(shell git describe --abbrev=0))
# FIXME: Do not hardcode the effective version.
guile_effective_version = 3.0

GIT ?= git
GPG ?= gpg
GUILD ?= guild
GUILE ?= guile
LZIP ?= lzip
SKRIBILO ?= skribilo

prefix ?= /usr/local
exec_prefix ?= $(prefix)
bindir ?= $(exec_prefix)/bin
libdir ?= $(exec_prefix)/lib
datarootdir ?= $(prefix)/share
infodir ?= $(datarootdir)/info

top_level_module_dir = $(project)
sources = $(wildcard $(top_level_module_dir)/*.scm) \
          $(wildcard $(top_level_module_dir)/web/*.scm) \
          $(wildcard $(top_level_module_dir)/web/themes/*.scm)
objects = $(sources:.scm=.go)
scripts = $(wildcard bin/*)
tests = $(wildcard tests/*.scm tests/web/*.scm)
documentation = doc/tissue.skb
info = $(documentation:.skb=.info)
distribute_files = $(sources) $(scripts) $(tests) \
		   $(documentation) doc/skribilo.scm \
		   COPYING guix.scm Makefile

scmdir = $(datarootdir)/guile/site/$(guile_effective_version)
godir = $(libdir)/guile/$(guile_effective_version)/site-ccache

.PHONY: all check install clean dist

all: $(objects) $(info)

%.info: %.skb doc/skribilo.scm
	GUILE_AUTO_COMPILE=0 $(SKRIBILO) --eval='(add-to-load-path ".")' --target=info --output=$@ $<

%.go: %.scm
	GUILE_AUTO_COMPILE=0 $(GUILD) compile -L . -o $@ $<

check:
	for test in $(tests); do \
		$(GUILE) --no-auto-compile -L . $$test; \
	done

dist_archive = $(project)-$(version).tar.lz

dist: $(dist_archive) $(dist_archive).asc

$(dist_archive): .git/refs/heads/main
	$(GIT) archive --prefix $(basename $(basename $@))/ --format=tar main $(distribute_files) \
		| $(LZIP) --force --output $@

%.asc: %
	$(GPG) --detach-sign --armor $<

install:
	install -D $(scripts) --target-directory $(bindir)
	for source in $(sources); do \
		install -D $$source $(scmdir)/$$source; \
	done
	for object in $(objects); do \
		install -D $$object $(godir)/$$object; \
	done
	install -D $(info) --target-directory $(infodir)

clean:
	rm -f $(objects) $(info)