From 690de72a02b67a832ff81d25ea3e87bfcc99767b Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 01 May 2019 23:03:47 -0400
Subject: source.mk: New file

---
(limited to 'source.mk')

diff --git a/source.mk b/source.mk
new file mode 100644
index 0000000..7930244
--- /dev/null
+++ b/source.mk
@@ -0,0 +1,23 @@
+upstream_archive = $(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).tar.xz
+upstream_url = http://ftp.gnu.org/pub/gnu/$(OPK_SOURCE)/$(upstream_archive)
+source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.xz
+
+gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg
+keys = \
+	'07F3 DBBE CC1A 3960 5078  094D 980C 1976 98C3 739D'
+
+$(source_archive):
+	wget -c '$(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
+	rm -Rf gnupghome/
+	mv '$(upstream_archive)' '$(source_archive)'
+
+source: $(source_archive)
--
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