Mksd-linux.sh

1. !/bin/bash

echo -e "\nTransfer U-Boot & Linux to target device\n"

[ $# -lt 1 ] && echo "Please input target device, e.g. ./mksd-linux.sh /dev/mmcblk0" && exit 1
[ ! -e $1 ] && echo "Device $1 not found" && exit 1
[ "`cat /sys/block/${1##*/}/device/type`" == "SD" ] && echo "Device $1 is type of SD." && exit 1

echo "All data on "$1" now will be destroyed! Continue? [y/n]"
read ans
if [ $ans != 'y' ]; then exit 1; fi

echo 0 > /proc/sys/kernel/printk

check_node=`echo $1 | grep mmc`
if [ -n "$check_node" ];then
        part="p"
fi

echo "[Unmounting all existing partitions on the device ]"

umount $1* &> /dev/null

echo "[Partitioning $1...]"
DRIVE=$1

cd ../image

filename=`ls | grep wic`

if [ $filename ];then
    echo "[Copy $filename image]"
    dd if=$filename of=$1 &>/dev/null
else
    echo No such Image file
    exit 1
fi
echo "[Resize filesystems...]"

rootfs_start=`fdisk -u -l ${DRIVE} | grep ${DRIVE}${part}2 | awk '{print $2}'`

1. Create partition table for extend root file system (/dev/mmcblk1p2) partition
   fdisk -u $DRIVE << EOF &>/dev/null
   d
   2
   n
   p
   $rootfs_start

w
EOF

if [ -x /sbin/partprobe ]; then
    /sbin/partprobe ${DRIVE} &> /dev/null
else
    sleep 1
fi

e2fsck -f -y ${DRIVE}${part}2 &> /dev/null
resize2fs ${DRIVE}${part}2 &> /dev/null

if [ -x /sbin/partprobe ]; then
    /sbin/partprobe ${DRIVE} &> /dev/null
else
    sleep 1
fi

echo 7 > /proc/sys/kernel/printk
echo "[Done]"