rename the <boardname>-<kernelversion> directories of base-files to just <boardname...

[openwrt/openwrt.git] / package / base-files / brcm / bin / firstboot

diff --git a/package/base-files/brcm/bin/firstboot b/package/base-files/brcm/bin/firstboot
new file mode 100755 (executable)
index 0000000..b65d3ee
--- /dev/null
+++ b/package/base-files/brcm/bin/firstboot
@@ -0,0 +1,90 @@
+#!/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
+       }
+
+       [ "$1" = "switch2jffs" ] && {
+               mtd erase OpenWrt
+               mount -o remount,ro none / # try to avoid fs changing while copying
+               mount -o bind / /mnt
+               mount /dev/mtdblock/4 /rom/jffs -t jffs2
+               echo -n "copying files ... "
+               cp -a /mnt/* /rom/jffs
+               umount /mnt
+               echo "done"
+               pivot /rom /mnt
+               mount -o move /mnt /tmp/root
+               pivot /jffs /rom
+               jffs2root --clean
+               exit 0
+       }
+
+       # script run manually
+       [ \! -z "$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
+}