.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:
.SUFFIXES: .c .o .to .in

.in:
	sed \
		-e 's:@VERSION@:$(VERSION):g' \
		-e 's:@DATE@:$(DATE):g'       \
		-e 's:@NAME@:$(NAME):g'       \
		< $< > $@
	if [ -x $< ]; then chmod +x $@; fi

.c.o:
	$(CC) $(CFLAGS)        -o $@ -c $<

.c.to:
	$(CC) $(CFLAGS) -DTEST -o $@ -c $<


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/logerr.c \
	src/tar.c    \
	src/lib.c
lib-objects = $(sources:.c=.o)
all-objects = $(lib-objects) src/main.o
t-objects   = $(sources:.c=.to) src/tests-lib.to src/main.to


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

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

gistatic: libgistatic.a src/main.o
	$(CC) $(LDFLAGS) -o $@ src/main.o libgistatic.a $(LDLIBS)

gistatic-tests: $(t-objects)
	$(CC) $(LDFLAGS) -o $@ $(t-objects) $(LDLIBS)

$(all-objects) $(t-objects): src/config.h
src/tests-lib.to: src/tests-lib.h
src/logerr.o src/logerr.to: src/logerr.h
src/tar.o src/tar.to: src/tar.h
src/tar.o:  src/logerr.o
src/tar.to: src/logerr.to src/tests-lib.to
src/lib.o src/lib.to: src/lib.h
src/lib.o:  src/logerr.o  src/tar.o
src/lib.to: src/logerr.to src/tar.to src/tests-lib.to
src/main.o:  src/logerr.o  src/tar.o  src/lib.o
src/main.to: src/logerr.to src/tar.to src/lib.to src/tests-lib.to


tests/resources/repositories/repo-1/.git \
tests/resources/repositories/repo-2/.git:
	ln -s .gitdir $@

check: all gistatic-tests \
		tests/resources/repositories/repo-1/.git \
		tests/resources/repositories/repo-2/.git
	sh tests/build-sample.sh
	./gistatic-tests
	sh tests/assert-catgets.sh src/*.c
	sh tests/c-lint.sh src/*.c
	sh tests/integration.sh

clean:
	rm -rf \
		public/ $(manpages) README.*.md CHANGELOG.*.md messages.mo \
		vgcore.* tmp/ src/config.h $(all-objects) $(t-objects)     \
		libgistatic.a gistatic gistatic-tests src/gistatic         \
		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 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:
	rm -f \
		'$(DESTDIR)$(PREFIX)/bin/gistatic'      \
		'$(DESTDIR)$(PREFIX)/lib/libgistatic.a' \
		'$(DESTDIR)$(PREFIX)/include/gistatic.h'
	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)' $(EXTRA_VERSION)
	sh aux/workflow/assert-readme.sh -n '$(NAME)' -m '$(MAILING_LIST)' \
		$(EXTRA_VERSION)
	sh aux/workflow/assert-manpages.sh -n '$(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/makefile.svg: Makefile
	mkdir -p '$(@D)'
	makefile2graph check | dot -Tsvg > $@

public: l10n-gen TODOs.md $(manpages) public/makefile.svg
	sh aux/workflow/public.sh -l '$(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')