citadel/poky/meta/recipes-core/initrdscripts/files/init-install-testfs.sh

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#!/bin/sh -e
#
# Copyright (C) 2008-2011 Intel
#
# install.sh [device_name] [rootfs_name] [video_mode] [vga_mode]
#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# We need 20 Mb for the boot partition
boot_size=200
# 50% for the the test partition
testfs_ratio=50
# Get a list of hard drives
hdnamelist=""
live_dev_name=${1%%/*}
echo "Searching for hard drives ..."
for device in `ls /sys/block/`; do
case $device in
loop*)
# skip loop device
;;
ram*)
# skip ram device
;;
*)
# skip the device LiveOS is on
# Add valid hard drive name to the list
if [ $device != $live_dev_name -a -e /dev/$device ]; then
hdnamelist="$hdnamelist $device"
fi
;;
esac
done
TARGET_DEVICE_NAME=""
for hdname in $hdnamelist; do
# Display found hard drives and their basic info
echo "-------------------------------"
echo /dev/$hdname
if [ -r /sys/block/$hdname/device/vendor ]; then
echo -n "VENDOR="
cat /sys/block/$hdname/device/vendor
fi
echo -n "MODEL="
cat /sys/block/$hdname/device/model
cat /sys/block/$hdname/device/uevent
echo
# Get user choice
while true; do
echo -n "Do you want to install this image there? [y/n] "
read answer
if [ "$answer" = "y" -o "$answer" = "n" ]; then
break
fi
echo "Please answer y or n"
done
if [ "$answer" = "y" ]; then
TARGET_DEVICE_NAME=$hdname
break
fi
done
if [ -n "$TARGET_DEVICE_NAME" ]; then
echo "Installing image on /dev/$TARGET_DEVICE_NAME ..."
else
echo "No hard drive selected. Installation aborted."
exit 1
fi
device=$TARGET_DEVICE_NAME
#
# The udev automounter can cause pain here, kill it
#
rm -f /etc/udev/rules.d/automount.rules
rm -f /etc/udev/scripts/mount*
#
# Unmount anything the automounter had mounted
#
umount /dev/${device}* 2> /dev/null || /bin/true
if [ ! -b /dev/loop0 ] ; then
mknod /dev/loop0 b 7 0
fi
mkdir -p /tmp
if [ ! -L /etc/mtab ]; then
cat /proc/mounts > /etc/mtab
fi
disk_size=$(parted /dev/${device} unit mb print | grep Disk | cut -d" " -f 3 | sed -e "s/MB//")
testfs_size=$((disk_size*testfs_ratio/100))
rootfs_size=$((disk_size-boot_size-testfs_size))
rootfs_start=$((boot_size))
rootfs_end=$((rootfs_start+rootfs_size))
testfs_start=$((rootfs_end))
# MMC devices are special in a couple of ways
# 1) they use a partition prefix character 'p'
# 2) they are detected asynchronously (need rootwait)
rootwait=""
part_prefix=""
if [ ! "${device#mmcblk}" = "${device}" ]; then
part_prefix="p"
rootwait="rootwait"
fi
bootfs=/dev/${device}${part_prefix}1
rootfs=/dev/${device}${part_prefix}2
testfs=/dev/${device}${part_prefix}3
echo "*****************"
echo "Boot partition size: $boot_size MB ($bootfs)"
echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
echo "Testfs partition size: $testfs_size MB ($testfs)"
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 $bootfs"
parted /dev/${device} mkpart primary 0% $boot_size
echo "Creating rootfs partition on $rootfs"
parted /dev/${device} mkpart primary $rootfs_start $rootfs_end
echo "Creating testfs partition on $testfs"
parted /dev/${device} mkpart primary $testfs_start 100%
parted /dev/${device} print
echo "Formatting $bootfs to ext3..."
mkfs.ext3 -L "boot" $bootfs
echo "Formatting $rootfs to ext3..."
mkfs.ext3 -L "rootfs" $rootfs
echo "Formatting $testfs to ext3..."
mkfs.ext3 -L "testrootfs" $testfs
mkdir /tgt_root
mkdir /src_root
mkdir -p /boot
# Handling of the target root partition
mount $rootfs /tgt_root
mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /src_root
echo "Copying rootfs files..."
cp -a /src_root/* /tgt_root
touch /tgt_root/etc/masterimage
if [ -d /tgt_root/etc/ ] ; then
echo "$bootfs /boot ext3 defaults 1 2" >> /tgt_root/etc/fstab
# We dont want udev to mount our root device while we're booting...
if [ -d /tgt_root/etc/udev/ ] ; then
echo "/dev/${device}" >> /tgt_root/etc/udev/mount.blacklist
fi
fi
umount /tgt_root
umount /src_root
# Handling of the target boot partition
mount $bootfs /boot
echo "Preparing boot partition..."
if [ -f /etc/grub.d/00_header ] ; then
echo "Preparing custom grub2 menu..."
GRUBCFG="/boot/grub/grub.cfg"
mkdir -p $(dirname $GRUBCFG)
cat >$GRUBCFG <<_EOF
serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
terminal_input --append serial
terminal_output --append serial
set timeout_style=hidden
set timeout=5
menuentry "Linux" {
set root=(hd0,1)
linux /vmlinuz root=$rootfs $rootwait rw $5 $3 $4 quiet
}
_EOF
# Add the test label
echo -ne "\nmenuentry 'test' --hotkey x {\nlinux /test-kernel root=$testfs rw $rootwait quiet\n}\n" >> $GRUBCFG
chmod 0444 $GRUBCFG
fi
grub-install /dev/${device}
echo "(hd0) /dev/${device}" > /boot/grub/device.map
# If grub.cfg doesn't exist, assume GRUB 0.97 and create a menu.lst
if [ ! -f /boot/grub/grub.cfg ] ; then
echo "Preparing custom grub menu..."
echo "default 0" > /boot/grub/menu.lst
echo "timeout 30" >> /boot/grub/menu.lst
echo "title Live Boot/Install-Image" >> /boot/grub/menu.lst
echo "root (hd0,0)" >> /boot/grub/menu.lst
echo "kernel /vmlinuz root=$rootfs rw $3 $4 quiet" >> /boot/grub/menu.lst
fi
cp /run/media/$1/vmlinuz /boot/
umount /boot
sync
echo "Remove your installation media, and press ENTER"
read enter
echo "Rebooting..."
reboot -f