ifeq ($(version),)
version=$(shell git tag -l | grep '^[0-9]' | sort -t"." -k 1,1 -k 2,2 -k 3,3 -n | tail -1)
endif
-deb_version=$(shell git tag -l | grep ^debian-$(release)-[[:digit:]] | sort -t"." -k 1,1 -k 2,2 -k 3,3 -n | tail -1 | sed 's/debian-$(release)-//' | sed 's/@/~/')
+deb_version=$(shell git tag -l | grep ^debian-$(release)-[[:digit:]] | sed 's/debian-$(release)-//' | sort -t"." -k 1,1 -k 2,2 -k 3,3 -n | tail -1 | sed 's/@/~/')
deb=$(package)_$(deb_version)_all.deb
orig_tarball=../$(package)_$(version).orig.tar.gz