259 lines
6.1 KiB
Bash
259 lines
6.1 KiB
Bash
#!/bin/sh -e
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#
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# Copyright (C) 2008-2011 Intel, 2014 sysmocom
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# install.sh [device_name] [rootfs_name] [video_mode] [vga_mode]
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#
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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# We want a 1 Gig partition on the cf
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partition_size=1000
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# Parse original arguments coming from the kernel cmdline.
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# Then shift the first two arguments which contains
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# partition information.
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dev_name=$1
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shift
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image_name=$1
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shift
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kernel_cmdline_console=""
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kernel_cmdline_video_mode=""
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kernel_cmdline_vga_mode=""
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while [ "$1" != "" ]; do
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echo "$1" | grep -q "console="
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success_console=$?
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if [ $success_console -eq 0 ]; then
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kernel_cmdline_console=$1
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fi
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shift
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done
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# Get a list of hard drives
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hdnamelist=""
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live_dev_name=${dev_name%%/*}
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echo "Searching for hard drives ..."
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for device in `ls /sys/block/`; do
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case $device in
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loop*)
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# skip loop device
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;;
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ram*)
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# skip ram device
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;;
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*)
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# skip the device LiveOS is on
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# Add valid hard drive name to the list
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if [ $device != $live_dev_name -a -e /dev/$device ]; then
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hdnamelist="$hdnamelist $device"
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fi
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;;
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esac
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done
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TARGET_DEVICE_NAME=""
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for hdname in $hdnamelist; do
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# Display found hard drives and their basic info
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echo "-------------------------------"
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echo /dev/$hdname
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if [ -r /sys/block/$hdname/device/vendor ]; then
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echo -n "VENDOR="
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cat /sys/block/$hdname/device/vendor
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fi
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echo -n "MODEL="
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cat /sys/block/$hdname/device/model
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cat /sys/block/$hdname/device/uevent
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echo
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# Get user choice
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while true; do
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echo -n "Do you want to install this image there? [y/n] "
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read answer
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if [ "$answer" = "y" -o "$answer" = "n" ]; then
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break
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fi
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echo "Please answer y or n"
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done
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if [ "$answer" = "y" ]; then
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TARGET_DEVICE_NAME=$hdname
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break
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fi
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done
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if [ -n "$TARGET_DEVICE_NAME" ]; then
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echo "Installing image on /dev/$TARGET_DEVICE_NAME ..."
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else
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echo "No hard drive selected. Installation aborted."
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exit 1
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fi
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device=$TARGET_DEVICE_NAME
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#
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# The udev automounter can cause pain here, kill it
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#
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rm -f /etc/udev/rules.d/automount.rules
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rm -f /etc/udev/scripts/mount*
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#
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# Unmount anything the automounter had mounted
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#
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umount /dev/${device}* 2> /dev/null || /bin/true
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if [ ! -b /dev/loop0 ] ; then
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mknod /dev/loop0 b 7 0
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fi
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mkdir -p /tmp
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cat /proc/mounts > /etc/mtab
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# MMC devices are special in a couple of ways
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# 1) they use a partition prefix character 'p'
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# 2) they are detected asynchronously (need rootwait)
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rootwait=""
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part_prefix=""
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if [ ! "${device#mmcblk}" = "${device}" ]; then
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part_prefix="p"
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rootwait="rootwait"
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fi
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rootfs=/dev/${device}${part_prefix}1
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## Backup - only works if install is using the same partition as before
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mkdir -p /bkup_root
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if [ mount -o ro $rootfs /bkup_root ]; then
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echo "Saving openVPN certificate if it exists"
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cp -r /bkup_root/etc/openvpn /tmp/ || true
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umount /bkup_root
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fi
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echo "*****************"
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echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
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echo "*****************"
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echo "Deleting partition table on /dev/${device} ..."
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dd if=/dev/zero of=/dev/${device} bs=512 count=2
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echo "Creating new partition table on /dev/${device} ..."
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parted /dev/${device} mklabel msdos
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echo "Creating rootfs partition on $rootfs"
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parted /dev/${device} mkpart primary 0% $partition_size
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parted /dev/${device} print
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echo "Formatting $rootfs to ext4..."
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mkfs.ext4 $rootfs
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mkdir /tgt_root
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mkdir -p /boot
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echo "Copying rootfs files..."
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dd if=/media/$dev_name/$image_name of=$rootfs bs=1024
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# Handling of the target root partition
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mount $rootfs /tgt_root
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# Restore OpenVPN certificate and config
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if [ -d /tmp/openvpn/ -a -d /tgt_root/etc/ ]; then
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echo "Restoring openVPN certificate"
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cp -r /tmp/openvpn /tgt_root/etc/
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fi
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if [ -d /tgt_root/etc/ ] ; then
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# We dont want udev to mount our root device while we're booting...
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if [ -d /tgt_root/etc/udev/ ] ; then
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echo "/dev/${device}" >> /tgt_root/etc/udev/mount.blacklist
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fi
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fi
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# Handling of the target boot partition
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mount --bind /tgt_root/boot /boot
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echo "Preparing boot partition..."
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GRUBCFG="/boot/grub/grub.cfg"
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mkdir -p $(dirname $GRUBCFG)
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baudrate=`echo $kernel_cmdline_console | cut -f 2 -d ',' | cut -f 1 -d 'n'`
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cat > $GRUBCFG << EOF
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default=0
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timeout=1
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serial --unit=0 --speed=$baudrate
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terminal --timeout=2 serial
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terminal_input --append serial
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terminal_output --append serial
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EOF
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BOOTPASSWD=
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BOOTUSER=
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if [ -n "${BOOTPASSWD}" ] && [ -n "${BOOTUSER}" ]; then
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cat >> $GRUBCFG << EOF
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set superusers="$BOOTUSER"
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password $BOOTUSER $BOOTPASSWD
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EOF
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fi
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if [ -f /etc/grub.d/40_custom ] ; then
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echo "Preparing custom grub2 menu..."
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cat /etc/grub.d/40_custom >> $GRUBCFG
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if [ -n "${BOOTPASSWD}" ] && [ -n "${BOOTUSER}" ]; then
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sed -i "s/\(menuentry\)\(.*\)\({\)/\1\2--unrestricted \3/g" $GRUBCFG
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fi
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sed -i "s@__ROOTFS__@$rootfs $rootwait@g" $GRUBCFG
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sed -i "s/__VIDEO_MODE__/$kernel_cmdline_video_mode/g" $GRUBCFG
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sed -i "s/__VGA_MODE__/$kernel_cmdline_vga_mode/g" $GRUBCFG
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sed -i "s/__CONSOLE__/$kernel_cmdline_console/g" $GRUBCFG
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sed -i "s/quiet/net.ifnames=0 panic=60 quiet/g" $GRUBCFG
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sed -i "s/rw/ro/g" $GRUBCFG
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sed -i "/#/d" $GRUBCFG
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sed -i "/exec tail/d" $GRUBCFG
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chmod 0444 $GRUBCFG
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fi
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ln -fs /boot/bzImage /tgt_root/vmlinuz
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grub-install /dev/${device}
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echo "(hd0) /dev/${device}" > /boot/grub/device.map
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umount /boot
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umount /tgt_root
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echo "Resizing partition"
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e2fsck -f $rootfs || true
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resize2fs $rootfs
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sync
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echo "Re-mounting the root and trying to apply backup."
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mount $rootfs /tgt_root
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echo "Finding backupfiles"
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backupfile=`find /media/$dev_name/ -name "sysmocom-backup*.tar" | head -n1`
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if [ -n "$backupfile" ]; then
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if [ ! -r "$backupfile" ]; then
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echo "configurations-file $backupfile it is not readable"
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else
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echo "restoring $backupfile"
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backupfile_basename=`basename $backupfile`
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cp $backupfile /tgt_root
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chroot /tgt_root /usr/sbin/sysmocom-restore $backupfile_basename
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rm /tgt_root/$backupfile_basename
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fi
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else
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echo "No configurations-file found"
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fi
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umount /tgt_root
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sync
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echo "Remove your installation media, and press ENTER"
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read enter
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echo "Rebooting..."
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reboot -f
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