PREFIX = /

all:
	@ echo "Use: make install, make systemd, make uninstall"

install:
	install -d $(DESTDIR)/$(PREFIX)/usr/sbin
	install -m0755 ./nohang $(DESTDIR)/$(PREFIX)/usr/sbin/nohang
	install -m0755 ./nohang_notify_helper $(DESTDIR)/$(PREFIX)/usr/sbin/nohang_notify_helper

	install -d $(DESTDIR)/$(PREFIX)/usr/bin
	install -m0755 ./oom-sort $(DESTDIR)/$(PREFIX)/usr/bin/oom-sort
	install -m0755 ./psi-top $(DESTDIR)/$(PREFIX)/usr/bin/psi-top
	install -m0755 ./psi-monitor $(DESTDIR)/$(PREFIX)/usr/bin/psi-monitor
	install -m0755 ./i-memhog $(DESTDIR)/$(PREFIX)/usr/bin/i-memhog

	install -d $(DESTDIR)/$(PREFIX)/etc/nohang
	-git describe --tags --long --dirty > ./version
	-install -m0644 ./version $(DESTDIR)/$(PREFIX)/etc/nohang/version
	-rm -fvr ./version

	install -m0644 ./nohang.conf $(DESTDIR)/$(PREFIX)/etc/nohang/nohang.conf
	install -m0644 ./nohang.conf $(DESTDIR)/$(PREFIX)/etc/nohang/nohang.conf.default
	install -m0644 ./my_desktop.conf $(DESTDIR)/$(PREFIX)/etc/nohang/my_desktop.conf

	install -d $(DESTDIR)/$(PREFIX)/etc/logrotate.d
	install -m0644 ./nohang.logrotate $(DESTDIR)/$(PREFIX)/etc/logrotate.d/nohang

	install -d $(DESTDIR)/$(PREFIX)/usr/share/man/man1
	gzip -c nohang.1 > $(DESTDIR)/$(PREFIX)/usr/share/man/man1/nohang.1.gz
	gzip -c oom-sort.1 > $(DESTDIR)/$(PREFIX)/usr/share/man/man1/oom-sort.1.gz

	-install -d $(DESTDIR)/$(PREFIX)/lib/systemd/system
	-install -m0644 ./nohang.service $(DESTDIR)/$(PREFIX)/lib/systemd/system/nohang.service
	-chcon -t systemd_unit_file_t $(DESTDIR)/$(PREFIX)/lib/systemd/system/nohang.service

uninstall:
	# 'make uninstall' must not fail with error if systemctl is unavailable or returns error
	-systemctl disable nohang.service || true
	rm -fv $(PREFIX)/usr/sbin/nohang
	rm -fv $(PREFIX)/usr/sbin/nohang_notify_helper
	rm -fv $(PREFIX)/usr/bin/oom-sort
	rm -fv $(PREFIX)/usr/bin/psi-top
	rm -fv $(PREFIX)/usr/bin/psi-monitor
	rm -fv $(PREFIX)/usr/bin/i-memhog
	rm -fv $(PREFIX)/usr/share/man/man1/nohang.1.gz
	rm -fv $(PREFIX)/usr/share/man/man1/oom-sort.1.gz
	rm -fv $(PREFIX)/lib/systemd/system/nohang.service
	rm -fvr $(PREFIX)/etc/nohang/
	rm -fvr $(PREFIX)/etc/logrotate.d/nohang
	rm -fvr $(PREFIX)/var/log/nohang/

systemd:
	-systemctl daemon-reload
	-systemctl enable nohang.service
	-systemctl restart nohang