PREFIX=/usr/local
include prefix.mk

SBINDIR=$(PREFIX)/sbin

SED_SHELL:=
SED_SHELL+=s:^SBINDIR=.*:SBINDIR=$(SBINDIR):;

SED_SYSD:=
SED_SYSD+=s:^ExecStart=.*/\([^/]\+\)$$:ExecStart=$(SBINDIR)/\1:;


.PHONY: all
all: prefix.mk
	sed -i -e '$(SED_SHELL)' adu-download
	sed -i -e '$(SED_SHELL)' adu-upgrade
	sed -i -e '$(SED_SYSD)' adu-download.service
	sed -i -e '$(SED_SYSD)' adu-download.timer
	sed -i -e '$(SED_SYSD)' adu-upgrade.service


.PHONY: install
install: DESTDIR=$(PREFIX)
install: SBINDIR=$(DESTDIR)/sbin
install: SYSDDIR=$(DESTDIR)/lib/systemd/system
install:
	install -d '$(SBINDIR)'
	install -m 755 -t '$(SBINDIR)' adu-download
	install -m 755 -t '$(SBINDIR)' adu-upgrade
	install -d '$(SYSDDIR)'
	install -d '$(SYSDDIR)/system-update.target.wants'
	install -m 644 -t '$(SYSDDIR)' adu-download.service
	install -m 644 -t '$(SYSDDIR)' adu-download.timer
	install -m 644 -t '$(SYSDDIR)' adu-upgrade.service
	ln -sf '$(SYSDDIR)/adu-upgrade.service' '$(SYSDDIR)/system-update.target.wants/adu-upgrade.service'
	systemctl daemon-reload
	#systemctl --now preset adu-download.timer
	systemctl --now enable adu-download.timer


.PHONY: uninstall
uninstall: DESTDIR=$(PREFIX)
uninstall: SBINDIR=$(DESTDIR)/sbin
uninstall: SYSDDIR=$(DESTDIR)/lib/systemd/system
uninstall:
	systemctl --now disable adu-download.timer
	rm -f '$(SYSDDIR)/system-update.target.wants/adu-upgrade.service'
	rm -f '$(SYSDDIR)/adu-upgrade.service'
	rm -f '$(SYSDDIR)/adu-download.timer'
	rm -f '$(SYSDDIR)/adu-download.service'
	rm -f '$(SBINDIR)/adu-upgrade'
	rm -f '$(SBINDIR)/adu-download'
	systemctl daemon-reload


.PHONY: prefix.mk
prefix.mk:
	@echo 'PREFIX=$(PREFIX)' >$@