200 lines
4.7 KiB
Bash
200 lines
4.7 KiB
Bash
#!/bin/sh -e
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#
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# Copyright (C) 2008-2011 Intel
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#
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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 need 20 Mb for the boot partition
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boot_size=20
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# 5% for the swap
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swap_ratio=5
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found="no"
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echo "Searching for a hard drive..."
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for device in 'hda' 'hdb' 'sda' 'sdb' 'mmcblk0' 'mmcblk1'
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do
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if [ -e /sys/block/${device}/removable ]; then
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if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then
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found="yes"
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while true; do
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# Try sleeping here to avoid getting kernel messages
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# obscuring/confusing user
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sleep 5
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echo "Found drive at /dev/${device}. Do you want to install this image there ? [y/n]"
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read answer
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if [ "$answer" = "y" ] ; then
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break
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fi
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if [ "$answer" = "n" ] ; then
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found=no
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break
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fi
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echo "Please answer by y or n"
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done
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fi
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fi
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if [ "$found" = "yes" ]; then
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break;
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fi
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done
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if [ "$found" = "no" ]; then
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exit 1
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fi
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echo "Installing image on /dev/${device}"
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#
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# The udev automounter can cause pain here, kill it
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#
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rm -f /etc/udev/scripts/mount*
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#
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# Unmount anything the automounter had mounted
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#
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umount /dev/${device}* 2> /dev/null || /bin/true
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if [ ! -b /dev/sda ] ; then
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mknod /dev/sda b 8 0
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fi
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if [ ! -b /dev/sdb ] ; then
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mknod /dev/sdb b 8 16
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fi
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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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disk_size=$(parted /dev/${device} unit mb print | grep Disk | cut -d" " -f 3 | sed -e "s/MB//")
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swap_size=$((disk_size*swap_ratio/100))
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rootfs_size=$((disk_size-boot_size-swap_size))
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rootfs_start=$((boot_size))
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rootfs_end=$((rootfs_start+rootfs_size))
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swap_start=$((rootfs_end))
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# MMC devices are special in a couple of ways
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# 1) they use a partition prefix character 'p'
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# 2) they are detected asynchronously (need rootwait)
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rootwait=""
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part_prefix=""
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if [ ! "${device#mmcblk}" = "${device}" ]; then
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part_prefix="p"
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rootwait="rootwait"
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fi
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bootfs=/dev/${device}${part_prefix}1
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rootfs=/dev/${device}${part_prefix}2
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swap=/dev/${device}${part_prefix}3
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echo "*****************"
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echo "Boot partition size: $boot_size MB ($bootfs)"
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echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
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echo "Swap partition size: $swap_size MB ($swap)"
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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 boot partition on $bootfs"
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parted /dev/${device} mkpart primary 0% $boot_size
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echo "Creating rootfs partition on $rootfs"
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parted /dev/${device} mkpart primary $rootfs_start $rootfs_end
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echo "Creating swap partition on $swap"
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parted /dev/${device} mkpart primary $swap_start 100%
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parted /dev/${device} print
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echo "Formatting $bootfs to ext3..."
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mkfs.ext3 $bootfs
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echo "Formatting $rootfs to ext3..."
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mkfs.ext3 $rootfs
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echo "Formatting swap partition...($swap)"
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mkswap $swap
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mkdir /ssd
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mkdir /rootmnt
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mkdir /bootmnt
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mount $rootfs /ssd
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mount -o rw,loop,noatime,nodiratime /media/$1/$2 /rootmnt
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echo "Copying rootfs files..."
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cp -a /rootmnt/* /ssd
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if [ -d /ssd/etc/ ] ; then
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echo "$swap swap swap defaults 0 0" >> /ssd/etc/fstab
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# We dont want udev to mount our root device while we're booting...
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if [ -d /ssd/etc/udev/ ] ; then
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echo "/dev/${device}" >> /ssd/etc/udev/mount.blacklist
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fi
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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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GRUBCFG="/bootmnt/boot/grub/grub.cfg"
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mount $bootfs /bootmnt
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mkdir -p $(dirname $GRUBCFG)
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cp /etc/grub.d/40_custom $GRUBCFG
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sed -i "s@__ROOTFS__@$rootfs $rootwait@g" $GRUBCFG
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sed -i "s/__VIDEO_MODE__/$3/g" $GRUBCFG
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sed -i "s/__VGA_MODE__/$4/g" $GRUBCFG
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sed -i "s/__CONSOLE__/$5/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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umount /bootmnt
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fi
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umount /ssd
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umount /rootmnt
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echo "Preparing boot partition..."
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mount $bootfs /ssd
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grub-install --root-directory=/ssd /dev/${device}
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echo "(hd0) /dev/${device}" > /ssd/boot/grub/device.map
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# If grub.cfg doesn't exist, assume GRUB 0.97 and create a menu.lst
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if [ ! -f /ssd/boot/grub/grub.cfg ] ; then
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echo "Preparing custom grub menu..."
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echo "default 0" > /ssd/boot/grub/menu.lst
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echo "timeout 30" >> /ssd/boot/grub/menu.lst
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echo "title Live Boot/Install-Image" >> /ssd/boot/grub/menu.lst
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echo "root (hd0,0)" >> /ssd/boot/grub/menu.lst
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echo "kernel /boot/vmlinuz root=$rootfs rw $3 $4 quiet" >> /ssd/boot/grub/menu.lst
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fi
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cp /media/$1/vmlinuz /ssd/boot/
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umount /ssd
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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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