define script
(read _ v _; v=$${v%)}; echo $${v##*:})
endef

arch := $(shell dpkg-architecture -q DEB_HOST_ARCH)
version := $(shell head -n1 debian/changelog | $(script))

build-stamp:
	mk-build-deps ./debian/control --install --root-cmd sudo --remove
	dpkg-buildpackage -us -uc -nc
	touch $@

packages = openssh-client openssh-server openssh-sftp-server

package_files = $(addsuffix _$(version)_$(arch).deb,$(addprefix ../,$(packages)))

$(package_files): build-stamp

install: install-stamp

install-stamp: $(package_files)
	sudo dpkg -i $(package_files)
	touch $@

list:
	@echo $(package_files)

cp:
	[ "$(dest)" ]
	cp --reflink $(package_files) '$(dest)'/