Mine

#!/usr/bin/make -f

%:
	dh --with quilt $@

clean:
	dh_quilt_unpatch
	rm -fr build bleachbit-root.desktop
	dh $@

override_dh_auto_install:
	python setup.py install --root=$(CURDIR)/debian/bleachbit --install-lib=/usr/share/bleachbit
	make -C po install DESTDIR=$(CURDIR)/debian/bleachbit
	sed -e 's/Name=BleachBit/Name=BleachBit \(as root\)/' bleachbit.desktop > bleachbit-root.desktop && \
	sed -i 's/TryExec=bleachbit/TryExec=su-to-root/' bleachbit-root.desktop && \
	sed -i 's/Exec=bleachbit/Exec=su-to-root -X -c bleachbit/' bleachbit-root.desktop

override_dh_fixperms:
	dh_fixperms
	chmod +x debian/bleachbit/usr/share/bleachbit/bleachbit/GUI.py