From 67d57a4be8f871fd0a3ca002beb1f7721a673d05 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Mon, 12 Oct 2020 23:20:29 +0000
Subject: once/update.sh: added /tarballs/archive support, avoid repeated
 updates.

---
 once/update.sh | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/once/update.sh b/once/update.sh
index d38ba83..748f65b 100755
--- a/once/update.sh
+++ b/once/update.sh
@@ -11,10 +11,29 @@ else
 fi
 
 for tarball in /updates/*.tar.gz; do
+	tarball="${tarball##*/}"
+
 	echo @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
-	echo extracting files from $tarball
+	echo extracting files from /updates/$tarball
+	echo ..................................................
+	tar -xpvf /updates/$tarball -C "$SYSROOT" || exit 2
+
+	echo archiving old $tarball
 	echo ..................................................
-	tar -xpvf $tarball -C "$SYSROOT" || exit 2
+
+	if [ -f /tarballs/$tarball ]; then
+		pkgsig=$(sha256sum /tarballs/$tarball)
+		pkgsig=${pkgsig%% *}
+		pkgdir=/tarballs/archive/${tarball%%.tar.gz}/$pkgsig/
+		mkdir -p $pkgdir
+		mv /tarballs/$tarball $pkgdir
+	fi
+
+	echo caching the current $tarball
+	echo ..................................................
+	mv /updates/$tarball        /tarballs/
+	mv /updates/$tarball.sha256 /tarballs/
+
 	echo ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 	echo
 done
-- 
cgit v1.2.3