src/system-recovery/recovery-init.in

   1 #!/bin/sh
   2
   3 SYSTEM_RECOVERY_GUI="@SYSTEM_RECOVERY_LIBEXEC_DIR@/system-recovery.gui"
   4 SYSTEM_RECOVERY_NON_GUI="@SYSTEM_RECOVERY_LIBEXEC_DIR@/system-recovery.non_gui"
   5 FAKE_ROOT=/system
   6
   7 MOUNT="/usr/bin/mount"
   8 BLKID="/usr/sbin/blkid"
   9 REBOOT="@INITRD_RECOVERY_LIBEXEC_DIR@/minireboot"
  10 SYNC="/usr/bin/sync"
  11 UMOUNT="/usr/bin/umount"
  12
  13 #------------------------------------------------
  14 #       get partition id
  15 #------------------------------------------------
  16 get_partition_id() {
  17     PART_ROOTFS=$("$BLKID" --match-token PARTLABEL=ROOTFS -o device || "$BLKID" --match-token LABEL=rootfs -o device)
  18     PART_SYSTEM_DATA=$("$BLKID" --match-token PARTLABEL=SYSTEM-DATA -o device || "$BLKID" --match-token LABEL=system-data -o device)
  19     PART_USER=$("$BLKID" --match-token PARTLABEL=USER -o device || "$BLKID" --match-token LABEL=user -o device)
  20 }
  21
  22 #------------------------------------------------
  23 #       mount_partitions
  24 #------------------------------------------------
  25 mount_partitions() {
  26     echo "mount partitions"
  27     get_partition_id
  28
  29     "$MOUNT" -t ext4 ${PART_ROOTFS} ${FAKE_ROOT} -o ro
  30     "$MOUNT" -t ext4 ${PART_SYSTEM_DATA} ${FAKE_ROOT}/opt
  31     "$MOUNT" -t ext4 ${PART_USER} ${FAKE_ROOT}/opt/usr
  32
  33     "$MOUNT" -t proc none ${FAKE_ROOT}/proc
  34     "$MOUNT" -t sysfs none ${FAKE_ROOT}/sys
  35     "$MOUNT" -t smackfs smackfs ${FAKE_ROOT}/sys/fs/smackfs
  36     "$MOUNT" -t devtmpfs devtmpfs ${FAKE_ROOT}/dev
  37     "$MOUNT" -t devpts devpts ${FAKE_ROOT}/dev/pts
  38     "$MOUNT" -t tmpfs tmpfs ${FAKE_ROOT}/tmp -o mode=1777,smackfsroot=*
  39 }
  40
  41 #------------------------------------------------
  42 #       umount_partitions
  43 #------------------------------------------------
  44 umount_partitions() {
  45     echo "umount partitions"
  46    "$SYNC"
  47
  48     "$UMOUNT" ${FAKE_ROOT}/opt/usr
  49     "$UMOUNT" ${FAKE_ROOT}/opt
  50     "$UMOUNT" ${FAKE_ROOT}
  51 }
  52
  53 #------------------------------------------------
  54 #       do_reboot
  55 #------------------------------------------------
  56 do_reboot() {
  57     echo "Reboot"
  58     "$SYNC"
  59     "$REBOOT"
  60     while [ 1 ]
  61     do
  62         sleep 1
  63         echo "."
  64     done
  65 }
  66
  67 #------------------------------------------------
  68 #       system-recovery initrc
  69 #------------------------------------------------
  70 echo "Starting system recovery."
  71 mount_partitions
  72
  73 # For debugging - It should be deleted on Release
  74 /sbin/agetty -l /bin/sh -n --keep-baud 115200,38400,9600 ttyS1 linux &
  75
  76 [ -x "${SYSTEM_RECOVERY_GUI}" ] && "${SYSTEM_RECOVERY_GUI}" || "${SYSTEM_RECOVERY_NON_GUI}"
  77
  78 umount_partitions
  79 do_reboot