mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-13 19:14:03 +02:00
31a89af3be
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7928 3c298f89-4303-0410-b956-a3cf2f4a3e73
127 lines
2.6 KiB
Bash
Executable File
127 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
|
|
# $Id: firstboot 5544 2006-11-17 03:07:10Z nbd $
|
|
. /etc/functions.sh
|
|
|
|
partname="rootfs_data"
|
|
mtdpart="$(find_mtd_part $partname)"
|
|
|
|
rom=$(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"
|
|
# 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*|\
|
|
./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 2>&-
|
|
mount -o move $2/jffs /jffs 2>&-
|
|
return 0
|
|
}
|
|
}
|
|
|
|
fopivot() { # <rw_root> <ro_root> <dupe?>
|
|
root=$1
|
|
{
|
|
mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
|
|
} || {
|
|
[ "$3" = "1" ] && {
|
|
mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
|
|
dupe $1 $rom
|
|
}
|
|
}
|
|
pivot $root $2
|
|
}
|
|
|
|
ramoverlay() {
|
|
mkdir -p /tmp/root
|
|
fopivot /tmp/root /rom 1
|
|
}
|
|
|
|
# invoked as an executable
|
|
[ "${0##*/}" = "firstboot" ] && {
|
|
|
|
[ -z "$mtdpart" ] && {
|
|
echo "MTD partition not found."
|
|
exit 1
|
|
}
|
|
|
|
[ -z "$rom" ] && {
|
|
echo "You do not have a squashfs partition; aborting"
|
|
echo "(firstboot cannot be run on jffs2 based firmwares)"
|
|
exit 1
|
|
}
|
|
|
|
[ "$1" = "switch2jffs" ] && {
|
|
mount "$mtdpart" /rom/jffs -t jffs2 || exit
|
|
|
|
# try to avoid fs changing while copying
|
|
mount -o remount,ro none / 2>&-
|
|
|
|
# copy ramoverlay to jffs2
|
|
echo -n "copying files ... "
|
|
cp -a /tmp/root/* /rom/jffs 2>&-
|
|
echo "done"
|
|
|
|
# switch back to squashfs (temporarily)
|
|
# and park the ramdisk ontop of /tmp/root
|
|
pivot /rom /mnt
|
|
mount -o move /mnt /tmp/root
|
|
|
|
# /jffs is the overlay
|
|
# /rom is the readonly
|
|
fopivot /jffs /rom
|
|
|
|
# try to get rid of /tmp/root
|
|
# this will almost always fail
|
|
umount /tmp/root 2>&-
|
|
|
|
exit 0
|
|
}
|
|
|
|
# script run manually
|
|
[ \! -z "$jffs" ] && {
|
|
echo "firstboot has already been run"
|
|
echo "jffs2 partition is mounted, only resetting files"
|
|
grep mini_fo /proc/filesystems >&-
|
|
[ $? != 0 ] && {
|
|
dupe $jffs $rom
|
|
exit 0
|
|
} || {
|
|
rm -rf $jffs/* 2>&-
|
|
mount -o remount $jffs / 2>&-
|
|
exit 0
|
|
}
|
|
}
|
|
|
|
mtd erase "$partname"
|
|
mount "$mtdpart" /jffs -t jffs2
|
|
fopivot /jffs /rom 1
|
|
}
|