PHONY := all

PROJECT_NAME = git-snapsign

V_MAJOR = 1
V_MINOR = 0
V_PATCH = 0
V_EXTRA =
VERSION = $(V_MAJOR).$(V_MINOR).$(V_PATCH)$(V_EXTRA)

DESTDIR =
PREFIX  = /usr
BINDIR  = $(PREFIX)/bin
INFODIR = $(PREFIX)/share/info
DOCDIR  = $(PREFIX)/share/doc
LICDIR  = $(PREFIX)/share/licenses

all: clean tar.gz

clean:
	rm -f $(PROJECT_NAME)-$(VERSION).tar.gz
	rm -rf $(PROJECT_NAME)-$(VERSION)
	rm -rf docs/git-snapsign
	find . -name "*.info" -delete
	find . -name "*.html" -delete

help:
	@echo '$(PROJECT_NAME)                                                    '
	@echo '                                                                   '
	@echo 'Usage:                                                             '
	@echo '   make all      - Generate tarball                                '
	@echo '   make clean    - Delete all generated files                      '
	@echo '   make info     - Generate documentation                          '
	@echo '   make install  - Install $(PROJECT_NAME), needs root permissions '
	@echo '   make tar.gz   - Make compressed file with tar and gzip          '
	@echo '                                                                   '

install: info
	install -Dm 0755 $(PROJECT_NAME) $(DESTDIR)$(BINDIR)/$(PROJECT_NAME)
	install -Dm 0644 docs/$(PROJECT_NAME).info $(DESTDIR)$(INFODIR)/$(PROJECT_NAME).info
	install -d $(DESTDIR)$(DOCDIR)/$(PROJECT_NAME)
	cd docs ;\
	for f in $(PROJECT_NAME)/*.html; do \
	  install -m644 $$f $(DESTDIR)$(DOCDIR)/$(basename $$f) ;\
	done
	install -Dm 0644 LICENSE $(DESTDIR)$(LICDIR)/$(PROJECT_NAME)/LICENSE

info:
	@cd docs && makeinfo git-snapsign.texi
	@cd docs && makeinfo --html git-snapsign.texi

tar.gz:
	@tar -czf $(PROJECT_NAME)-$(VERSION).tar.gz --transform "s|^|$(PROJECT_NAME)-$(VERSION)/|" --owner 0 --group 0 \
		--exclude '*.info' \
		--exclude '*.html' \
		--exclude '*~' \
		--exclude '.git' \
		--exclude 'docs/git-snapsign' \
		-- \
		docs git-snapsign README.md Makefile \
		LICENSE

.PHONY: $(PHONY)