From f300464d952f5a43b87ac2fbfdb21d299c266e78 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 08 Jun 2014 13:53:35 -0400
Subject: miniprokit.sh: Save data.tar.gz for a while.

Also make sha256sum call more portable.
---
diff --git a/miniprokit.sh b/miniprokit.sh
index 039bb23..20d3ff2 100755
--- a/miniprokit.sh
+++ b/miniprokit.sh
@@ -222,21 +222,26 @@ get_pkg()
 	filename="${filename#../../../../../../}"
 	wget -q -O "${root}/var/cache/opkg/archives/${filename##*/}" \
 		"${mirror}/${filename}" || error 2 'Failed to download package'
-	filename="${root}/var/cache/opkg/archives/${filename##*/}"
-	printf '%s  %s\n' "${sha256sum}" "${filename}" | sha256sum --quiet -c \
+	filename="var/cache/opkg/archives/${filename##*/}"
+	printf '%s  %s\n' "${sha256sum}" "${root}/${filename}" | \
+		sha256sum -c >/dev/null 2>&1 \
 		|| error 2 'Checksum of source package file failed'
 
 	info 'Unpacking %s...' "${package}"
-	(cd "${root}"; tar -xzOf "${filename#${root}/}" data.tar.gz | tar -xz)
 	mkdir "${root}/tmp/opkg/${package}"
 	(
-		cd "${root}/tmp/opkg/${package}"
-		tar -xzOf "../../../${filename#${root}/}" control.tar.gz | \
+		cd "${root}"
+		tar -xzOf "${filename}" data.tar.gz \
+			>"tmp/opkg/${package}/data.tar.gz"
+		tar -xzf "tmp/opkg/${package}/data.tar.gz"
+		cd "tmp/opkg/${package}"
+		tar -xzOf "../../../${filename}" control.tar.gz | \
 			tar -xz
 	)
 	for file in "${root}/tmp/opkg/${package}/"*; do
 		mv "${file}" "${root}/var/lib/opkg/info/${package}.${file##*/}"
 	done
+	rm -f "${root}/tmp/opkg/${package}/data.tar.gz"
 	rmdir "${root}/tmp/opkg/${package}"
 }
 
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