all:    output/keyrings/linex4red-archive-keyring.gpg \
        output/keyrings/linex4red-archive-removed-keys.gpg \
        output/keyrings/linex4red-maintainers.gpg \
        output/keyrings/linex4red-maintainers-removed-keys.gpg \
        output/sha512sums.txt

################
# Collect public GPG files. convert them optional from armored
# to binary format and append the files into a keyring file
#  param $(1) destination file
#  param $(2) source folder
#--------------
define COLLECT_GPG
	if [ -f $(2)/0x* ]; then \
	    for GPG in $(2)/0x*; do \
	        cat $${GPG} | gpg --dearmor >> $(1); \
	    done \
	else \
	    touch $(1); \
	fi
endef

output/keyrings/linex4red-archive-keyring.gpg: linex4red-archive-keyring-gpg
	$(call COLLECT_GPG, $@, $<)

output/keyrings/linex4red-archive-removed-keys.gpg: linex4red-archive-removed-keys-gpg
	$(call COLLECT_GPG, $@, $<)

output/keyrings/linex4red-maintainers.gpg: linex4red-maintainers-gpg
	$(call COLLECT_GPG, $@, $<)

output/keyrings/linex4red-maintainers-removed-keys.gpg: linex4red-maintainers-removed-keys-gpg
	$(call COLLECT_GPG, $@, $<)

output/sha512sums.txt: output/keyrings/linex4red-archive-keyring.gpg output/keyrings/linex4red-maintainers.gpg
	cd output; sha512sum keyrings/* > sha512sums.txt

clean:
	rm -f output/keyrings/*.gpg output/sha512sums.txt output/keyrings/*~