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|
#! /bin/sh
#Enviroment variables
boot_part=/dev/mtd4
rootfs_mtd_num=5
rootfs_part=/dev/mtd${rootfs_mtd_num}
ubuntu_dir=/nand_previous
kernel_image=/sd_card/uzImage.bin
ramdisk_image=/sd_card/initrd.img
#This is the recovery script used to re-install or recover the FOSSEE-OS.
#This is the initial function which is called, also this is the first screen that comes up in this process.
#Seq-1
image()
{
echo ""
echo ""
echo " ==========================================================================================================================="
echo "|| ||"
echo "|| ||"
echo "|| ||"
echo "|| FOSSEE NOTEBOOK ||"
echo "|| INSTALLER ||"
echo "|| ||"
echo "|| ||"
echo "|| ||"
echo " ==========================================================================================================================="
echo ""
echo ""
echo ""
}
init()
{
printf "\t\tPress [A/a] to go to advanced options or [I/i] to re-install the FOSSEE-OS?"
read -s -n 1 choose_key
if [ $choose_key = "A" ] || [ $choose_key = "a" ]; then
advanced
elif [ $choose_key = "I" ] || [ $choose_key = "i" ]; then
install
elif [ $choose_key = "" ] || [ $choose_key = " " ]; then
echo ""
echo -e "\t\tPlease enter a valid choice"
init
else
echo ""
echo -e "\t\tPlease enter a valid choice"
init
fi
}
#This function validates the users choice of re-installation.
#Seq- 1->I->2
install()
{
echo ""
echo ""
printf "\t\tDo you want to continue with the installation?\n"
printf "\t\tPress [Y/y] to continue, [N/n] to go back to the previous menu."
read -s -n 1 key
if [ $key = "Y" ] || [ $key = "y" ]; then
installation
elif [ $key = "N" ] || [ $key = "n" ]; then
/mnt/busybox clear
image
init
else
echo ""
echo -e "\t\tPlease enter a valid choice"
install
fi
}
#This function is where the actual installation is done.
#Seq- 1->I->2->3
installation()
{
echo ""
echo ""
echo -e "\t\tThe installation is underway, do not exit..."
# exit 0
mkdir $ubuntu_dir
# This part is taken care of in lib/debian-installer/menu file.
# mkdir /sd_card
# mount /dev/mmcblk0p1 /sd_card
if [ $(echo $?) -eq 0 ]; then
flash_erase $rootfs_part 0 0 > /dev/null
else
echo -e"\t\tSD card not mounted"
sleep 3
exit 0
fi
ubiattach /dev/ubi_ctrl -m $rootfs_mtd_num > /dev/null
ubimkvol /dev/ubi0 -N ubuntu-rootfs -m > /dev/null
if [ $(echo $?) -eq 0 ]; then
mount -t ubifs ubi0_0 $ubuntu_dir
else
echo -e "\t\tubimkvol failed"
sleep 3
exit 0
fi
#Insert progress bar here.
sh /mnt/bar /sd_card/fossee-os.tar.gz | tar xzpf - -C /nand_previous
sync
umount $ubuntu_dir
# /bin/sh
echo ""
echo -e "\t\tInstallation complete."
sleep 2
echo ""
#umount /dev/mmcblk0p1
printf "\t\tPress ENTER to restart.[ Please remove the SD card first ]"
read read_restart
if $read_restart; then
reboot
else
echo "It shouldn't come here"
fi
}
#This functions presents the user with advanecd options where he/she can backup their data from previous installation or repair the current installation through shell prompt.
#Seq- 1->A->2
advanced()
{
#This will detect the previous mtd partiton.
prev_mtd_part=$(cat /proc/mtd | grep "ubuntu-rootfs" | cut -b 4)
echo ""
echo ""
echo -e "\t\tTrying to access previous installation"
printf "\t\tMounting SD card"
#mkdir /sd_card
#mount /dev/mmcblk0p1 /sd_card
for i in `seq 1 2`
do
printf "."
sleep 1
done
echo ""
echo -e "\t\tYou may backup your essential files and folders or repair your previous installation.\n
\t\tThis will now fallback to a command prompt"
#This will take the user to his previous installation.
mkdir -p /nand_previous
ubiattach /dev/ubi_ctrl -m $prev_mtd_part
#ubimkvol /dev/ubi0 -N ubuntu-rootfs -m
mount -t ubifs ubi0_0 /nand_previous
/mnt/busybox clear
/bin/sh
/mnt/busybox clear
reinstall
}
#This function is used for re-installating the OS after successfully backing-up the users data.
#Seq- 1->A->2->3
reinstall()
{
echo ""
echo ""
image
printf "\t\tDo you want to reinstall the FOSSEE operating system?[Y/N]"
read RET
if [ "$RET" = "Y" ] || [ "$RET" = "y" ]; then
umount /nand_previous
umount /dev/mmcblk0p1
ubidetach -d 0 /dev/ubi_ctrl
rmdir /nand_previous
rmdir /sd_card
install
elif [ "$RET" = "N" ] || [ "$RET" = "n" ]; then
umount /nand_previous
printf "\t\tPress ENTER to reboot. [ Please remove the SD card first ]"
read $restart_key
if $restart_key; then
reboot
else
echo "It should not come here."
fi
else
echo "Please enter a valid choice"
reinstall
fi
}
image
init
|
