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#!/bin/sh -e
#
# Copyright (C) 2008 Intel
#
# install.sh [device_name] [rootfs_name] [video_mode] [vga_mode]
#
# We need 20 Mb for the boot partition
boot_size=20
# 5% for the swap
swap_ratio=5
found="no"
echo "Searching for a hard drive..."
for device in 'hda' 'hdb' 'sda' 'sdb'
do
if [ -e /sys/block/${device}/removable ]; then
if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then
found="yes"
while true; do
echo "Found drive at /dev/${device}. Do you want to install moblin there ? [y/n]"
read answer
if [ "$answer" = "y" ] ; then
break
fi
if [ "$answer" = "n" ] ; then
found=no
break
fi
echo "Please answer by y or n"
done
fi
fi
if [ "$found" = "yes" ]; then
break;
fi
done
if [ "$found" = "no" ]; then
exit 1
fi
echo "Installing image on /dev/${device}"
if [ ! -b /dev/sda ] ; then
mknod /dev/sda b 8 0
fi
if [ ! -b /dev/sdb ] ; then
mknod /dev/sdb b 8 16
fi
if [ ! -b /dev/loop0 ] ; then
mknod /dev/loop0 b 7 0
fi
mkdir -p /tmp
cat /proc/mounts > /etc/mtab
disk_size=$(parted /dev/${device} unit mb print | grep Disk | cut -d" " -f 3 | sed -e "s/MB//")
swap_size=$((disk_size*5/100))
rootfs_size=$((disk_size-boot_size-swap_size))
rootfs_start=$((boot_size + 1))
rootfs_end=$((rootfs_start+rootfs_size))
swap_start=$((rootfs_end+1))
bootfs=/dev/${device}1
rootfs=/dev/${device}2
swap=/dev/${device}3
echo "*****************"
echo "Boot partition size: $boot_size MB (/dev/${device}1)"
echo "Rootfs partition size: $rootfs_size MB (/dev/${device}2)"
echo "Swap partition size: $swap_size MB (/dev/${device}3)"
echo "*****************"
echo "Deleting partition table on /dev/${device} ..."
dd if=/dev/zero of=/dev/${device} bs=512 count=2
echo "Creating new partition table on /dev/${device} ..."
parted /dev/${device} mklabel msdos
echo "Creating boot partition on /dev/${device}1"
parted /dev/${device} mkpartfs primary ext2 0 $boot_size
echo "Creating rootfs partition on /dev/${device}2"
parted /dev/${device} mkpartfs primary ext2 $rootfs_start $rootfs_end
echo "Creating swap partition on /dev/${device}3"
parted /dev/${device} mkpartfs primary linux-swap $swap_start $disk_size
parted /dev/${device} print
echo "Formatting /dev/${device}1 to ext2..."
mkfs.ext3 $bootfs
echo "Formatting /dev/${device}2 to ext3..."
mkfs.ext3 $rootfs
echo "Formatting swap partition...(/dev/${device}3)"
mkswap $swap
mkdir /ssd
mkdir /mnt
mount $rootfs /ssd
mount -o rw,loop,noatime,nodiratime /media/$1/$2 /mnt
echo "Copying rootfs files..."
cp -a /mnt/* /ssd
if [ -d /ssd/etc/ ] ; then
echo "$swap swap swap defaults 0 0" >> /ssd/etc/fstab
# We dont want udev to mount our root device while we're booting...
if [ -d /ssd/etc/udev/ ] ; then
echo "/dev/${device}" >> /ssd/etc/udev/mount.blacklist
fi
fi
umount /ssd
umount /mnt
echo "Preparing boot partition..."
mount $bootfs /ssd
grub-install --root-directory=/ssd /dev/${device}
echo "(hd0) /dev/${device}" > /ssd/boot/grub/device.map
echo "default 0" > /ssd/boot/grub/menu.lst
echo "timeout 30" >> /ssd/boot/grub/menu.lst
echo "title Poky-Netbook" >> /ssd/boot/grub/menu.lst
echo "root (hd0,0)" >> /ssd/boot/grub/menu.lst
echo "kernel /boot/vmlinuz root=$rootfs rw $3 $4 quiet" >> /ssd/boot/grub/menu.lst
cp /media/$1/vmlinuz /ssd/boot/
umount /ssd
sync
echo "Remove your installation media, and press ENTER"
read enter
echo "Rebooting..."
reboot -f
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