#!/bin/sh

[ -d /dev ] || mkdir -m 0755 /dev
[ -d /root ] || mkdir -m 0700 /root
[ -d /sys ] || mkdir /sys
[ -d /proc ] || mkdir /proc
[ -d /tmp ] || mkdir /tmp
mkdir -p /var/lock
mount -t sysfs -o nodev,noexec,nosuid none /sys
mount -t proc -o nodev,noexec,nosuid none /proc

grep -q '\<quiet\>' /proc/cmdline || echo "Loading, please wait..."

# Note that this only becomes /dev on the real filesystem if udev's scripts
# are used; which they will be, but it's worth pointing out
if ! mount -t devtmpfs -o mode=0755 none /dev; then
mount -t tmpfs -o mode=0755 none /dev
mknod -m 0600 /dev/console c 5 1
mknod /dev/null c 1 3
fi
mkdir /dev/pts
mount -t devpts -o noexec,nosuid,gid=5,mode=0620 none /dev/pts || true
> /dev/.initramfs-tools
mkdir /dev/.initramfs

# Export the dpkg architecture
export DPKG_ARCH=
. /conf/arch.conf

# Set modprobe env
export MODPROBE_OPTIONS="-qb"

# Export relevant variables
export ROOT=
export ROOTDELAY=
export ROOTFLAGS=
export ROOTFSTYPE=
export IPOPTS=
export HWADDR=
export break=
export init=/sbin/init
export quiet=n
export readonly=y
export rootmnt=/root
export debug=
export panic=
export blacklist=
export resume_offset=

# Bring in the main config
. /conf/initramfs.conf
. /scripts/functions

if [ -z "${noresume}" ]; then
export resume=${RESUME}
else
export noresume
fi

[ -n "${netconsole}" ] && modprobe netconsole netconsole=${netconsole}

# export BOOT variable value for compcache,
# so we know if we run from casper
export BOOT

# Don't do log messages here to avoid confusing usplash
run_scripts /scripts/init-top

log_begin_msg "Loading essential drivers..."
load_modules
log_end_msg

[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-premount"
run_scripts /scripts/init-premount
[ "$quiet" != "y" ] && log_end_msg

[ -d /mnt ] || mkdir -m 0755 /mnt
echo ==========================
echo "Please wait until all the device you want to boot is recognized and then push ENTER key."
echo ==========================
read a
deviceslist=$(blkid|cut -d: -f1)
okdeviceslist=""
for a in $deviceslist
do
umount -l /mnt 2>/dev/null
mount -t auto $a /mnt 2>/dev/null || continue
if [ -e /mnt/vmlinuz -a -e /mnt/initrd.img ]
then
okdeviceslist="${okdeviceslist} $a"
elif [ -n "$(ls /mnt/boot/ -1 2>/dev/null|grep vmlinuz)" ]
then
if [ -e /mnt/boot/initrd*$(ls /mnt/boot -1 2>/dev/null|grep vmlinuz|tail -n1|cut -c9- 2>/dev/null)* ]
then
okdeviceslist="${okdeviceslist} $a"
fi
fi
umount -l /mnt 2>/dev/null
done
i=0
echo ==========================
echo "The device file names and information of partitions will be recognized and are shown below."
echo
for a in ${okdeviceslist}
do
echo $i":"$(blkid|grep "${a}:")
i=$(expr $i + 1)
done
echo
echo "Please type the number of the device file name of the root partition of Ubuntu you want to boot."
readloop()
{
while [ a = a ]
do
read a
if [ $a -ge 0 ]
then
if [ $? = 1 ]
then
echo "Please type number"
continue
elif [ $a -lt "$(echo $*|tr ' ' '\n'|wc -l)" ]
then
break
else
echo "Please type number smaller than $(echo $*|tr ' ' '\n'|wc -l)"
continue
fi
echo "Please type number larger than 0 or 0"
fi
done
}
readloop "${okdeviceslist}"
device=$(echo ${okdeviceslist}|cut -d" " -f $(expr $a + 1))
echo "You selected $a:$device"
mount -t auto $device /mnt
echo "If you want to search Grub settings, please type y"
echo "If you want to get into busybox, please type zzz"
read a
fakemore () {
step=$1
num=1
ln=$(wc -l $2 |sed "s/^[^0-9]*//"|sed "s/[^0-9]*$//")
while [ $num -lt $ln ]
do
sed -n "$num,$(expr $num + $step) p" $2
read -p "## Please enter q to quit displaying: " b
if [ a"$b" = "aq" ]
then
break
fi
num=$(expr $num + $step + 1)
done
return
}
if [ -n "$(echo $a|grep y)" ]
then
  if [ -e /mnt/boot/grub/grub.cfg ]
  then
    echo "/boot/grub/grub.cfg (GRUB2 settings file) is found. Please push any key to show its contents."
    read b
    fakemore 10 /mnt/boot/grub/grub.cfg
  fi
  if [ -e /mnt/boot/grub/menu.lst ]
  then
    echo "GRUB legacy settings file /boot/grub/menu.lst is found."
    echo "Please enter q to skip showing its content. Please input any other to show its contents."
    read b
    if [ "a$b" != "aq" ]
    then
      fakemore 10 /mnt/boot/grub/menu.lst
    fi
  fi
  if [ -e /mnt/menu.lst ]
  then
    echo "GRUB legacy settings file /menu.lst is found."
    echo "Please enter q to skip showing its content. Please input any other to show its contents."
    read b
    if [ "a$b" != "aq" ]
    then
      fakemore 10 /mnt/menu.lst
    fi
  fi
fi
if [ -n "$(echo $a|grep zzz)" ]
then
  PS1='(kiyoChelp) ' /bin/sh -i </dev/console >/dev/console 2>&1
fi
echo "======================================"
echo "The following kernels seems to be available."
kernels1=$(ls /mnt/boot/ -1|grep vmlinuz)
kernels=""
i=0
for a in $kernels1
do
if [ -n "$(ls -1 /mnt/boot/initrd*$(echo $a|cut -c9-))*" ]
then
echo $i":"$(echo $kernels1|cut -d" " -f $(expr $i + 1))
i=$(expr $i + 1)
kernels="$kernels $a"
fi
done
echo "Please type the number of the kernel you want to boot."
readloop "${kernels}"
kernel=$(echo ${kernels}|cut -d" " -f $(expr $a + 1))
echo "You selected $a:$kernel"
echo "The following option is suggested to pass to the kernel:"
echo "root=UUID=$(blkid|grep "$device:"|sed -e "s/^.*UUID=\"//"|sed -e "s/\".*//") ro"
echo ""
echo "Please enter commandline parameter to pass to kernel."
echo "If you accept the suggested option, please type nothing."
read a
if [ -n "$a" ]
then
kexec -l /mnt/boot/$kernel --append="$a" --initrd=$(ls /mnt/boot/initrd*$(echo $kernel|cut -c9-)*|tail -n1)
kexec -e
else
kexec -l /mnt/boot/$kernel --append="root=UUID=$(blkid|grep "$device:"|sed -e "s/^.*UUID=\"//"|sed -e "s/\".*//") ro" --initrd=$(ls /mnt/boot/initrd*$(echo $kernel|cut -c9-)*|tail -n1)
kexec -e
fi
umount -l /mnt
echo "DAMESSU! I will try to make you use terminal"
PS1='(kiyoChelp) ' /bin/sh -i </dev/console >/dev/console 2>&1
echo "Please reboot by pressing CTRL+ALT+DEL or ATL+SysRq+R,S,E,I,U,B"
exec run-init ${rootmnt} ${init} "$@" <${rootmnt}/dev/console >${rootmnt}/dev/console 2>&1
panic "Could not execute run-init."