Tool for assembling API/source/binary archives

Issue #2339

tool/depot/mk/gpg.inc

@@ -0,0 +1,21 @@
+#
+# \brief  Helper for using the GNU privacy guard
+# \author Norman Feske
+# \date   2017-03-27
+#
+
+pubkey_filename = $(call archive_user,$1)/pubkey
+pubkey_path     = $(wildcard $(DEPOT_DIR)/$(call pubkey_filename,$1))
+
+# obtain key ID of 'depot/<user>/pubkey' to be used to select signing key
+pubkey_id = $(shell gpg --with-colon < $(call pubkey_path,$1) | head -1 | cut -d: -f5 )
+
+MISSING_PUBKEY_FILES := $(sort \
+                           $(foreach A,$(ARCHIVES),\
+                              $(if $(call pubkey_path,$A),,\
+                                 $(DEPOT_DIR)/$(call pubkey_filename,$A))))
+
+missing_pubkey_files:
+	@echo "Error: missing public-key files:";\
+	 for i in $(MISSING_PUBKEY_FILES); do echo "       $$i"; done; false
+