-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-
-rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
-jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
-
-dupe() { # <new_root> <old_root>
- cd $1
- echo -n "creating directories... "
- {
- cd $2
- find . -xdev -type d
- echo "./dev ./jffs ./mnt ./proc ./tmp ./sys"
- # xdev skips mounted directories
- cd $1
- } | xargs mkdir -p
- echo "done"
-
- echo -n "setting up symlinks... "
- for file in $(cd $2; find . -xdev -type f;); do
- case "$file" in
- ./rom/note) ;; #nothing
- ./etc/config*|\
- ./etc/resolv.conf|\
- ./usr/lib/ipkg/info) cp -af $2/$file $file;;
- *) ln -sf /rom/${file#./*} $file;;
- esac
- done
- for file in $(cd $2; find . -xdev -type l;); do
- cp -af $2/${file#./*} $file
- done
- echo "done"
-}
-
-pivot() { # <new_root> <old_root>
- mount -o move /proc $1/proc && \
- pivot_root $1 $1$2 && {
- mount -o move $2/dev /dev
- mount -o move $2/tmp /tmp
- mount -o move $2/sys /sys
- return 0
- }
-}
-
-mountdp() { # <device> <mount_point> <ignored> <fs>
- dev=$1; mnt=$2; shift 2; opt=$*
- mount $dev $mnt $opt
- dupe $mnt $rom
- pivot $mnt /rom
-}
-
-ramoverlay() {
- mkdir -p /tmp/root
- mountdp /tmp/root /mnt -o bind
-}
-
-[ "${0##*/}" = "firstboot" ] && {
- [ -z "$rom" ] && {
- echo "You do not have a squashfs partition; aborting"
- echo "(firstboot cannot be run on jffs2 based firmwares)"
- exit 1
- }
-
- [ "$1" = "switch2jffs" ] && {
- mtd erase OpenWrt
- mount -o remount,ro none / # try to avoid fs changing while copying
- mount -o bind / /mnt
- mount /dev/mtdblock/4 /rom/jffs -t jffs2
- echo -n "copying files ... "
- cp -a /mnt/* /rom/jffs
- umount /mnt
- echo "done"
- pivot /rom /mnt
- mount -o move /mnt /tmp/root
- pivot /jffs /rom
- exit 0
- }
-
- # script run manually
- [ \! -z "$jffs" ] && {
- echo "firstboot has already been run"
- echo "jffs2 partition is mounted, only resetting files"
- dupe $jffs $rom
- exit 0
- }
-
- mtd erase OpenWrt
- mountdp /dev/mtdblock/4 /jffs -t jffs2
-}