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-rwxr-xr-xpackage/base-files/default/bin/firstboot134
1 files changed, 80 insertions, 54 deletions
diff --git a/package/base-files/default/bin/firstboot b/package/base-files/default/bin/firstboot
index eff7063b1c..1d9b658b69 100755
--- a/package/base-files/default/bin/firstboot
+++ b/package/base-files/default/bin/firstboot
@@ -1,62 +1,88 @@
#!/bin/sh
# $Id$
-mount | grep squashfs >&- || {
- echo "You do not have a squashfs partition; aborting"
- echo "(firstboot cannot be run on jffs2 based firmwares)"
- return
+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"
}
-[ -f "/tmp/.firstboot" ] && {
- echo "firstboot is already running"
- return
+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 $2/tmp /tmp
+ }
}
-touch /tmp/.firstboot
-jdev=$(mount | awk '/jffs2/ {print $3}')
+mountdp() { # <device> <mount_point> <ignored> <fs>
+ dev=$1; mnt=$2; shift 2; opt=$*
+ mount $dev $mnt $opt
+ dupe $mnt $rom
+ pivot $mnt /rom
+}
-if [ -z "$jdev" ]; then
- echo -n "Creating jffs2 partition... "
- mtd erase OpenWrt >&- 2>&-
- mount -t jffs2 /dev/mtdblock/4 /jffs
- echo "done"
- cd /jffs
-else
- echo "firstboot has already been run"
- echo "jffs2 partition is mounted, only resetting files"
- cd $jdev
-fi
-
-exec 2>/dev/null
-
-mount /dev/mtdblock/2 /rom -o ro
-
-echo -n "creating directories... "
-{
- cd /rom
- find . -type d
- cd -
-} | xargs mkdir
-echo "done"
-
-echo -n "setting up symlinks... "
-for file in $(cd /rom; find * -type f; find * -type l;)
-do {
- case "${file%/*}" in
- "usr/lib/ipkg/info"|"etc/config") cp -f /rom/$file $file;;
- *) ln -sf /rom/$file $file;;
- esac
-} done
-echo "done"
-
-touch /tmp/resolv.conf
-ln -s /tmp/resolv.conf /etc/resolv.conf
-
-umount /rom
-mount none /jffs/proc -t proc
-pivot_root /jffs /jffs/rom
-mount none /dev -t devfs
-mount none /tmp -t ramfs
-umount /rom/proc
-umount /rom/tmp
-umount /rom/dev
+ramoverlay() {
+ mkdir -p /tmp/root
+ mountdp /tmp/root /mnt -o bind
+}
+
+[ "${0##*/}" = "firstboot" ] && {
+ [ -z "$rom" ] && {
+ echo "You do not have a squashfs partition; aborting"
+ echo "(firstboot cannot be run on jffs2 based firmwares)"
+ exit 1
+ }
+
+ [ "$1" = "switch2jffs" ] && {
+ mtd erase OpenWrt
+ mount -o remount,ro none / # try to avoid fs changing while copying
+ mount -o bind / /mnt
+ mount /dev/mtdblock/4 /rom/jffs -t jffs2
+ echo -n "copying files ... "
+ cp -a /mnt/* /rom/jffs
+ umount /mnt
+ echo "done"
+ pivot /rom /mnt
+ mount -o move /mnt /tmp/root
+ pivot /jffs /rom
+ jffs2root --clean
+ exit 0
+ }
+
+ # script run manually
+ [ \! -z "$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
+}