target/linux/mvebu/cortexa9/base-files/lib/preinit/81_linksys_syscfg

   1 #
   2 # Copyright (C) 2014-2016 OpenWrt.org
   3 # Copyright (C) 2016 LEDE-Project.org
   4 #
   5
   6 preinit_mount_syscfg() {
   7         . /lib/functions.sh
   8         . /lib/upgrade/common.sh
   9
  10         case $(board_name) in
  11         linksys,wrt1200ac|\
  12         linksys,wrt1900ac-v1|\
  13         linksys,wrt1900ac-v2|\
  14         linksys,wrt1900acs|\
  15         linksys,wrt3200acm|\
  16         linksys,wrt32x)
  17                 needs_recovery=0
  18                 syscfg_part=$(grep syscfg /proc/mtd |cut -c4)
  19                 ubiattach -m $syscfg_part || needs_recovery=1
  20                 if [ $needs_recovery -eq 1 ]
  21                 then
  22                         echo "ubifs syscfg partition is damaged, reformatting"
  23                         ubidetach -m $syscfg_part
  24                         ubiformat -y -O 2048 -q /dev/mtd$syscfg_part
  25                         ubiattach -m $syscfg_part
  26                         ubimkvol /dev/ubi1 -n 0 -N syscfg -t dynamic --maxavsize
  27                 fi
  28                 mkdir /tmp/syscfg
  29                 mount -t ubifs ubi1:syscfg /tmp/syscfg
  30                 [ -f "/tmp/syscfg/$BACKUP_FILE" ] && {
  31                 echo "- config restore -"
  32                 cd /
  33                 mv "/tmp/syscfg/$BACKUP_FILE" /tmp
  34                 tar xzf "/tmp/$BACKUP_FILE"
  35                 rm -f "/tmp/$BACKUP_FILE"
  36                 sync
  37                 }
  38                 ;;
  39         esac
  40 }
  41
  42 boot_hook_add preinit_main preinit_mount_syscfg