KEYRING := kali-archive-keyring.pgp

$(KEYRING): archive-key.asc archive-key-old.asc
	cat $^ | \
	gpg --no-keyring --no-default-keyring --no-auto-check-trustdb \
	    --no-options --import-options import-export \
	    --import > $@
	ln -s $(notdir $@) $(patsubst %.pgp,%.gpg,$@)

.PHONY: clean
clean:
	rm -f $(KEYRING)
	rm -f $(patsubst %.pgp,%.gpg,$(KEYRING)) 
