#!/bin/sh
-. /etc/functions.sh
-partname="rootfs_data"
-mtdpart="$(find_mtd_part $partname)"
+switch2jffs_hook=
+jffs2reset_hook=
+no_fo_hook=
-rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
-jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
+. /lib/functions/boot.sh
-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"
+firstboot_skip_next=false
- 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/opkg/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"
-}
+for fb_source_file in /lib/firstboot/*; do
+ . $fb_source_file
+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
- {
- if grep -q mini_fo /proc/filesystems; then
- mount -t mini_fo -o base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
- else
- mount --bind / /mnt
- mount --bind -o union "$1" /mnt && root=/mnt
- fi
- } || {
- [ "$3" = "1" ] && {
- mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
- dupe $1 $rom
- }
- }
- pivot $root $2
-}
-
-ramoverlay() {
- mkdir -p /tmp/root
- mount -t tmpfs root /tmp/root
- fopivot /tmp/root /rom 1
-}
+set_mtd_part
+set_rom_part
+set_jffs_part
# invoked as an executable
-[ "${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
- }
-
- [ "$1" = "switch2jffs" ] && {
- if grep -q mini_fo /proc/filesystems; then
- mount "$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>&-
- else
- # switch back to squashfs temporarily
- pivot /rom /mnt
-
- # get rid of the old overlay
- umount -l /mnt
-
- # another umount to get rid of the bind from /tmp/root
- umount -l /mnt
-
- # initialize jffs2
- mount "$mtdpart" /jffs -t jffs2 || exit
-
- # workaround to ensure that union can attach properly
- sync
- ls /jffs >/dev/null
-
- # switch to the new (empty) jffs2
- fopivot /jffs /rom 1
-
- # copy ramoverlay to jffs2, must be done after switching
- # to the new rootfs to avoid creating opaque directories
- echo -n "copying files ... "
- cp -a /tmp/root/* / >/dev/null 2>&1
- sync
- echo "done"
-
- umount -l /jffs
- umount -l /tmp/root
- fi
-
- exit 0
- }
-
- # script run manually
- [ \! -z "$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 $jffs / 2>&-
- exit 0
- }
- }
-
+if [ "${0##*/}" = "firstboot" ]; then
+ if [ "$1" = "switch2jffs" ]; then
+ boot_run_hook switch2jffs
+ elif [ -n "$jffs" ]; then
+ reset_has_fo=true
+ echo "firstboot has already been run"
+ echo "jffs2 partition is mounted, only resetting files"
+ boot_run_hook jffs2reset
+ else
mtd erase "$partname"
- mount "$mtdpart" /jffs -t jffs2
- fopivot /jffs /rom 1
-}
+ mount "$mtdpart" /overlay -t jffs2
+ fopivot /overlay /rom 1
+ fi
+fi
+
projects / openwrt.git / blobdiff