From 3ad66224209fd3b664c500267e2e0100fdf34d7d Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 03 Jul 2019 13:27:31 -0400
Subject: source.mk: Rewrite (based on m4's), remove zlib

---
diff --git a/control b/control
index ac33f5b..eca2bff 100644
--- a/control
+++ b/control
@@ -1,5 +1,6 @@
 Maintainer: Patrick McDermott <patrick.mcdermott@libiquity.com>
-Build-Depends: opkhelper-3.0,
+Build-Depends: opkbuild (>= 4.0.1), opkhelper-3.0 (>= 3.1.2),
+ gpg, dirmngr, gpgconf, gpg-agent,
  libncurses.5-dev,
  libreadline-dev,
  libexpat.1-dev,
diff --git a/source.mk b/source.mk
index f946eea..f22deab 100644
--- a/source.mk
+++ b/source.mk
@@ -1,33 +1,49 @@
+z = xz
+tar_z = J
+keys = \
+	'F40A DB90 2B24 264A A42E  50BF 92ED B04B FF32 5CF3'
 non_free_files = \
 	gdb/doc/gdb.texinfo \
-	gdb/doc/gdb.info*
+	gdb/doc/gdb.info* \
+	zlib/
 
 upstream_version = $$(printf '%s\n' '$(OPK_SOURCE_VERSION_UPSTREAM)' | \
-	sed 's/^\([0-9a-z.~-][0-9a-z.~-]*\)+sip[1-9][0-9]*.*$$/\1/')
+	sed 's/+sip[1-9][0-9]*.*$$//')
 upstream_name = $(OPK_SOURCE)-$(upstream_version)
-upstream_archive = $(upstream_name).tar.bz2
-upstream_url = http://ftp.gnu.org/gnu/$(OPK_SOURCE)/$(upstream_archive)
-source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.bz2
-keys = FF325CF3
+upstream_archive = $(upstream_name).tar.$(z)
+upstream_url = http://ftp.gnu.org/pub/gnu/$(OPK_SOURCE)/$(upstream_archive)
+source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.$(z)
 
-$(source_archive):
-	wget -c "$(upstream_url)"
-	set -e; if gpg --version >/dev/null 2>&1; then \
-		wget -c "$(upstream_url).sig"; \
-		[ -e ../keyring.gpg ] || \
-			gpg --keyring ../keyring.gpg --no-default-keyring \
-				--recv-keys $(keys) || true; \
-		rm -f ../keyring.gpg~; \
-		gpg --verify --keyring ../keyring.gpg \
-			"$(upstream_archive).sig"; \
-		rm -f "$(upstream_archive).sig"; \
-	fi
-	tar -xjf "$(upstream_archive)"
+GNUPGHOME = gnupghome
+# TODO: When GnuPG is built with TLS support, delete the second "keyserver" line
+# to switch to a non-SKS keyserver.  We can't switch yet, because the Web server
+# at keys.openpgp.org redirects (HTTP 301) to HTTPS (and enforces it with HSTS).
+keyserver = hkps://keys.openpgp.org
+keyserver = hkp://pool.sks-keyservers.net
+keyring = ../keyring.gpg
+cleanup = gpgconf --kill all; rm -Rf '$(GNUPGHOME)'; sleep 5
+
+$(keyring):
+	gpg --recv-keys $(keys) || { rm -Rf '$@'; exit 1; }
+	rm -f '$@~'
+
+$(source_archive): $(keyring)
+	wget -c "$(upstream_url)" "$(upstream_url).sig"
+	gpg --verify "$(upstream_archive).sig"
+	tar -x$(tar_z)f "$(upstream_archive)"
 	rm -f "$(upstream_archive)"
 	cd "$(upstream_name)"; for file in $(non_free_files); do \
-		rm -f "$${file}"; \
+		rm -R "$${file}"; \
 	done; cd ..
-	tar -cjf '$(source_archive)' "$(upstream_name)"
+	tar -c$(tar_z)f "$(source_archive)" "$(upstream_name)"
 	rm -Rf "$(upstream_name)"
 
-source: $(source_archive)
+source:
+	install -m 0700 -d '$(GNUPGHOME)'
+	umask 0177; printf 'keyserver $(keyserver)\n' \
+		1>'$(GNUPGHOME)/dirmngr.conf'
+	umask 0177; printf 'no-default-keyring\nkeyring $(keyring)\nverbose\n' \
+		1>'$(GNUPGHOME)/gpg.conf'
+	GNUPGHOME='$(GNUPGHOME)' $(MAKE) -f ../source.mk "$(source_archive)" \
+		|| { $(cleanup); exit 1; }
+	$(cleanup)
--
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