openwrtv3/target/linux/x86/base-files/lib/preinit/89_move_config
Vasilis Tsiligiannis 1978c07539 Fix sysupgrade for squashfs, jffs2 and ext4 images
* use 'fsync' with 'dd' for image writing
	* save config to boot partition

SVN-Revision: 32465
2012-06-19 22:36:53 +00:00

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#!/bin/sh
# Copyright (C) 2012 OpenWrt.org
move_config() {
local rootfsdev
local rootfstype
rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
case "$rootfstype" in
squashfs|jffs2)
rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
ext4)
rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
esac
mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
mv -f /mnt/sysupgrade.tgz /
umount /mnt
}
boot_hook_add preinit_main move_config