From 1e38527a525ca2e4dbe3a53dad63669773d3d15c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 21 Aug 2007 18:23:57 +0000
Subject: add sysupgrade script for config preserving system upgrades. only
implemented for x86-2.6 at the moment, but can be ported to other platforms
easily
SVN-Revision: 8456
---
.../base-files/default/lib/upgrade/platform.sh | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 target/linux/x86-2.6/base-files/default/lib/upgrade/platform.sh
(limited to 'target/linux')
diff --git a/target/linux/x86-2.6/base-files/default/lib/upgrade/platform.sh b/target/linux/x86-2.6/base-files/default/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..ffd0b93ab4
--- /dev/null
+++ b/target/linux/x86-2.6/base-files/default/lib/upgrade/platform.sh
@@ -0,0 +1,27 @@
+platform_check_image() {
+ [ "$ARGC" -gt 1 ] && return 1
+
+ case "$(get_magic_word "$1")" in
+ 48eb) return 0;;
+ *)
+ echo "Invalid image type"
+ return 1
+ ;;
+ esac
+}
+
+platform_do_upgrade() {
+ get_image "$1" > /dev/hda
+ sync
+}
+
+x86_prepare_ext2() {
+ # if we're running from ext2, we need to make sure that we have a mtd
+ # partition that points to the active rootfs partition.
+ # however this only matters if we actually need to preserve the config files
+ [ "$SAVE_CONFIG" -eq 1 ] && return 0
+ grep rootfs /proc/mtd >/dev/null || {
+ echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd
+ }
+}
+append sysupgrade_pre_upgrade x86_prepare_ext2
--
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