.POSIX:
PREFIX       = /usr/local
MANPREFIX    = $(PREFIX)/share/man
DATE         = 1970-01-01
VERSION      = 0.1.0
NAME         = gistatic
MAILING_LIST = public-inbox
TRANSLATIONS = pt fr eo
CONTRIBLANGS =
LDLIBS       = -lgit2

.SUFFIXES: .in .t

.in:
	sed -e 's:@VERSION@:$(VERSION):g' -e 's:@DATE@:$(DATE):g' < $< > $@

.c.t:
	$(CC) $(CFLAGS) $(LDFLAGS) -DTEST -o $@ $< $(LDLIBS)


manpages.en.in = \
	doc/gistatic.en.1.in
manpages.in = $(manpages.en.in) \
	doc/gistatic.pt.1.in \
	doc/gistatic.fr.1.in \
	doc/gistatic.eo.1.in
manpages = $(manpages.in:.in=)

sources = \
	src/tar.c \
	src/gistatic.c
objects = $(sources:.c=.o)
tests   = $(sources:.c=.t)


all: src/config.h $(manpages) src/gistatic libgistatic.a


src/gistatic: $(objects) src/main.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(objects) src/main.o $(LDLIBS)

libgistatic.a: $(objects)
	$(AR) $(ARFLAGS) $@ $(objects)

src/config.h:
	touch $@
	printf '#ifndef GISTATIC_CONFIG_H\n'            >> $@
	printf '#define GISTATIC_CONFIG_H\n\n'          >> $@
	printf '#define _POSIX_C_SOURCE 200809L\n'      >> $@
	printf '#define VERSION         "$(VERSION)"\n' >> $@
	printf '#define DATE            "$(DATE)"\n'    >> $@
	printf '\n#endif\n'                             >> $@

$(objects): src/config.h
$(tests):   src/config.h
src/gistatic.o: src/gistatic.h src/tar.o src/tar.h
src/main.o: src/gistatic.h src/gistatic.o


check: all $(tests)
	rm -f tests/resources/repositories/repo-1/.git
	rm -f tests/resources/repositories/repo-2/.git
	ln -s .gitdir tests/resources/repositories/repo-1/.git
	ln -s .gitdir tests/resources/repositories/repo-2/.git
	sh tests/build-sample.sh
	for t in $(tests); do ./$$t; done
	sh tests/assert-catgets.sh src/gistatic.c
	sh tests/integration.sh
	sh tests/c-lint.sh src/*.c

clean:
	rm -rf public/ $(manpages) README.*.md CHANGELOG.*.md messages.mo \
		vgcore.* tmp/ src/config.h                 \
		src/*.o src/*.t src/gistatic libgistatic.a \
		tests/resources/repositories/repo-1/.git   \
		tests/resources/repositories/repo-2/.git

install: all
	mkdir -p \
		$(DESTDIR)$(PREFIX)/bin \
		$(DESTDIR)$(PREFIX)/lib \
		$(DESTDIR)$(PREFIX)/include
	cp src/gistatic   $(DESTDIR)$(PREFIX)/bin
	cp libgistatic.a  $(DESTDIR)$(PREFIX)/lib
	cp src/gistatic.h $(DESTDIR)$(PREFIX)/include
	sh doc/manpages.sh -ip $(DESTDIR)$(MANPREFIX) $(manpages)

uninstall:
	sh doc/manpages.sh -up $(DESTDIR)$(MANPREFIX) $(manpages)


#
# Personal workflow targets
#

dev-check: check public
	sh tests/dev-integration.sh
	sh aux/assert-shellcheck.sh
	sh aux/workflow/assert-todos.sh
	sh aux/workflow/assert-changelog.sh -n $(NAME)
	sh aux/workflow/assert-readme.sh -n $(NAME) -m $(MAILING_LIST)
	sh aux/workflow/assert-manpages.sh -n $(NAME) -m $(MAILING_LIST) \
		-l '$(TRANSLATIONS) en' $(manpages.en.in)
	sh aux/workflow/repocheck.sh -x1 -l1 -f7

dist:
	sh aux/workflow/dist.sh -d $(DATE) -V $(VERSION) \
		-n $(NAME) -m $(MAILING_LIST)

README.en.md: README.md
	ln -fs $? $@

CHANGELOG.en.md: CHANGELOG.md
	ln -fs $? $@

l10n-gen: README.en.md CHANGELOG.en.md $(manpages.en.in)
	sh aux/workflow/l10n.sh -l '$(TRANSLATIONS)' -L '$(CONTRIBLANGS)' $?

public: l10n-gen TODOs.md $(manpages)
	sh aux/workflow/public.sh -l '$(TRANSLATIONS) $(CONTRIBLANGS) en' \
		-n $(NAME) -m $(MAILING_LIST) -o public
	sh doc/manpages.sh -Ho public $(manpages)

spellcheck: public
	sh aux/workflow/assert-spelling.sh -l '$(TRANSLATIONS) en' \
		$$(find public -type f -name '*.html')