# Makefile

SHELL := sh -e

LANGUAGES = $(shell cd manpages/po && ls)

SCRIPTS = backend/*/* frontend/* components/*

all: build

test:
	@echo -n "Checking for syntax errors"

	@for SCRIPT in $(SCRIPTS); \
	do \
		sh -n $${SCRIPT}; \
		echo -n "."; \
	done

	@echo " done."

	@# We can't just fail yet on bashisms (FIXME)
	@if [ -x "$$(which checkbashisms 2>/dev/null)" ]; \
	then \
		echo -n "Checking for bashisms"; \
		for SCRIPT in $(SCRIPTS); \
		do \
			checkbashisms -f -x $${SCRIPT} || true; \
			echo -n "."; \
		done; \
		echo " done."; \
	else \
		echo "W: checkbashisms - command not found"; \
		echo "I: checkbashisms can be obtained from: "; \
		echo "I:   https://salsa.debian.org/debian/devscripts.git"; \
		echo "I: On Debian based systems, checkbashisms can be installed with:"; \
		echo "I:   apt-get install devscripts"; \
	fi

build:
	$(MAKE) -C $(CURDIR)/manpages

install:
	# Installing components
	mkdir -p $(DESTDIR)/lib/live/boot
	cp components/* $(DESTDIR)/lib/live/boot

	# Installing executables
	mkdir -p $(DESTDIR)/usr/share/initramfs-tools/hooks
	for f in backend/initramfs-tools/*.hook; do \
		cp $${f} $(DESTDIR)/usr/share/initramfs-tools/hooks/$$(basename $${f} .hook); \
	done
	mkdir -p $(DESTDIR)/usr/share/initramfs-tools/scripts
	for f in backend/initramfs-tools/*.script; do \
		cp $${f} $(DESTDIR)/usr/share/initramfs-tools/scripts/$$(basename $${f} .script); \
	done

	mkdir -p $(DESTDIR)/bin
	cp frontend/* $(DESTDIR)/bin

	# Installing docs
	mkdir -p $(DESTDIR)/usr/share/doc/live-boot-grml
	cp -r COPYING $(DESTDIR)/usr/share/doc/live-boot-grml

	# Installing manpages
	for MANPAGE in manpages/en/*; \
	do \
		SECTION="$$(basename $${MANPAGE} | sed -e 's|\.|\n|g' | tail -n1)"; \
		install -D -m 0644 $${MANPAGE} $(DESTDIR)/usr/share/man/man$${SECTION}/$$(basename $${MANPAGE}); \
	done

	for LANGUAGE in $(LANGUAGES); \
	do \
		for MANPAGE in manpages/$${LANGUAGE}/*; \
		do \
			SECTION="$$(basename $${MANPAGE} | sed -e 's|\.|\n|g' | tail -n1)"; \
			install -D -m 0644 $${MANPAGE} $(DESTDIR)/usr/share/man/$${LANGUAGE}/man$${SECTION}/$$(basename $${MANPAGE} .$${LANGUAGE}.$${SECTION}).$${SECTION}; \
		done; \
	done

uninstall:
	# Uninstalling executables
	rm -f $(DESTDIR)/bin/live-boot
	rm -f $(DESTDIR)/bin/live-swapfile
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/bin > /dev/null 2>&1 || true

	rm -f $(DESTDIR)/usr/share/initramfs-tools/hooks/live
	rm -f $(DESTDIR)/usr/share/initramfs-tools/scripts/live

	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/initramfs-tools/hooks > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/initramfs-tools/scripts > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/initramfs-tools > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr > /dev/null 2>&1 || true

	# Uninstalling docs
	rm -rf $(DESTDIR)/usr/share/doc/live-boot-grml
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/doc > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr > /dev/null 2>&1 || true

	# Uninstalling manpages
	for MANPAGE in manpages/en/*; \
	do \
		SECTION="$$(basename $${MANPAGE} | sed -e 's|\.|\n|g' | tail -n1)"; \
		rm -f $(DESTDIR)/usr/share/man/man$${SECTION}/$$(basename $${MANPAGE} .en.$${SECTION}).$${SECTION}; \
	done

	for LANGUAGE in $(LANGUAGES); \
	do \
		for MANPAGE in manpages/$${LANGUAGE}/*; \
		do \
			SECTION="$$(basename $${MANPAGE} | sed -e 's|\.|\n|g' | tail -n1)"; \
			rm -f $(DESTDIR)/usr/share/man/$${LANGUAGE}/man$${SECTION}/$$(basename $${MANPAGE} .$${LANGUAGE}.$${SECTION}).$${SECTION}; \
		done; \
	done

	for SECTION in $(for MANPAGE in $(ls manpages/en/*); do basename $${MANPAGE} | sed -e 's|\.|\n|g' | tail -n1; done | sort -u); \
	do \
		rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/man/man$${SECTION} > /dev/null 2>&1 || true; \
		rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/man/*/man$${SECTION} > /dev/null 2>&1 || true; \
	done

	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share/man > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr/share > /dev/null 2>&1 || true
	rmdir --ignore-fail-on-non-empty $(DESTDIR)/usr > /dev/null 2>&1 || true

	rmdir --ignore-fail-on-non-empty $(DESTDIR) > /dev/null 2>&1 || true

clean:
	@echo "Nothing to clean."

distclean: clean
	@echo "Nothing to distclean."

reinstall: uninstall install