From 7bc53375753b7e348ec956e8eb33886a92aab4a6 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sun, 16 Jun 2019 01:04:35 -0400
Subject: ob-buildopk: Make archive member mtimes deterministic

---
(limited to 'src')

diff --git a/src/ob-buildopk.sh b/src/ob-buildopk.sh
index b67ee3b..a9dab2c 100644
--- a/src/ob-buildopk.sh
+++ b/src/ob-buildopk.sh
@@ -25,13 +25,16 @@ build_opk()
 	local version="${2}"
 	local arch="${3}"
 	local plat="${4}"
-	shift 4
+	local date="${5}"
+	shift 5
 
 	ob_info "$(ob_get_msg 'build_opk')" \
 		"${binary}_${version}_${arch}_${plat}.opk"
 
+	find "${binary}.control" "${binary}.data" | xargs touch -d "${date}"
 	(cd -- "${binary}.data" && tar -czf '../data.tar.gz' '.')
 	(cd -- "${binary}.control" && tar -czf '../control.tar.gz' '.')
+	touch -d "${date}" 'control.tar.gz' 'data.tar.gz'
 
 	tar -czf "../../${binary}_${version}_${arch}_${plat}.opk" \
 		'debian-binary' 'data.tar.gz' 'control.tar.gz'
@@ -42,6 +45,7 @@ build_opk()
 
 main()
 {
+	local date=
 	local pkg=
 	local arch=
 	local plat=
@@ -53,11 +57,13 @@ main()
 	fi
 
 	ob_init_package '..' || return 1
+	date="$(ob_iso8601_gmtime "${SOURCE_DATE_EPOCH}")"
 
 	printf '2.0\n' >'debian-binary'
+	touch -d "${date}" 'debian-binary'
 	if [ x"${OB_DO_SOURCE:+set}" = x'set' ]; then
 		build_opk "src-${OPK_SOURCE}" "${OPK_SOURCE_VERSION}" \
-			'src' 'all'
+			'src' 'all' "${date}"
 	else
 		for pkg in ${OPK_PACKAGES_REDUCED}; do
 			arch="$(ob_get_binary_parameter "${pkg}" \
@@ -66,7 +72,7 @@ main()
 			plat="$(ob_get_binary_parameter "${pkg}" 'Platform')"
 			[ x"${plat}" != x'all' ] && plat="${OPK_HOST_PLAT}"
 			build_opk "${pkg}" "${OPK_BINARY_VERSION}" \
-				"${arch}" "${plat}"
+				"${arch}" "${plat}" "${date}"
 		done
 	fi
 	rm 'debian-binary'
--
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