From 402e1a921f248b951f3743661b63415155310a86 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 19 Jun 2019 19:10:34 -0400
Subject: source.mk: Update/rewrite

---
diff --git a/control b/control
index ec25595..e06587a 100644
--- a/control
+++ b/control
@@ -1,3 +1,3 @@
 Maintainer: Patrick McDermott <patrick.mcdermott@libiquity.com>
-Build-Depends: opkhelper-3.0
+Build-Depends: opkbuild (>= 4.0.0), gpg, dirmngr, opkhelper-3.0
 Homepage: https://www.gnu.org/software/libunistring/
diff --git a/source.mk b/source.mk
index c1d64c7..e6604a1 100644
--- a/source.mk
+++ b/source.mk
@@ -1,18 +1,23 @@
-upstream_archive = libunistring-$(OPK_SOURCE_VERSION_UPSTREAM).tar.gz
-upstream_url = http://ftp.gnu.org/pub/gnu/libunistring/$(upstream_archive)
-source_archive = ../libunistring-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.gz
-keys = F059B1D1
+upstream_archive = $(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).tar.xz
+upstream_url = http://ftp.gnu.org/pub/gnu/$(OPK_SOURCE)/$(upstream_archive)
+source_archive = ../libunistring-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.xz
+
+gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg
+keys = \
+	'4622 25C3 B46F 3487 9FC8  496C D605 848E D7E6 9871'
 
 $(source_archive):
-	wget '$(upstream_url)'
-	set -e; if gpg --version >/dev/null 2>&1; then \
-		wget '$(upstream_url).sig'; \
-		[ -e ../keyring.gpg ] || \
-			gpg --keyring ../keyring.gpg --no-default-keyring \
-				--recv-keys $(keys) || true; \
-		gpg --verify --keyring ../keyring.gpg \
-			'$(upstream_archive).sig'; \
+	wget -c '$(upstream_url)' '$(upstream_url).sig'
+	install -m 0700 -d gnupghome/
+	[ -e ../keyring.gpg ] || \
+		$(gpg) --keyserver hkp://pool.sks-keyservers.net \
+			--recv-keys $(keys); \
+	rm -f ../keyring.gpg~; \
+	if ! $(gpg) --verify '$(upstream_archive).sig'; then \
+		rm -Rf gnupghome/; \
+		exit 1; \
 	fi
-	mv '$(upstream_archive)' '$(source_archive)'
+	rm -Rf gnupghome/
+	mv '$(upstream_archive)' '$@'
 
 source: $(source_archive)
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