#!/bin/sh
#
#	installkernel
#
# Arguments:
#   $1 - kernel version
#   $2 - kernel image file
#   $3 - kernel map file
#   $4 - install path (default is /boot)
#
# This script is called from /usr/src/linux/arch/i386/boot/install.sh.
# It calls /sbin/installkernel from the debianutils package to install
# the kernel image, System.map, and configuration files.  It then
# makes a new initramfs and updates the grub menu.

set -e

echo "$0 running"

if [ $# -eq 3 ] || [ $# -eq 4 ] ; then
  ver="$1"
  img="$2"
  map="$3"
  if [ $# -eq 4 ] && [ -n "$4" ] ; then
      dir="$4"
  else
      dir="/boot"
  fi
else
  echo "Usage: installkernel <version> <image> <System.map> <directory>"
  exit 1
fi

# usage: checkdepends <file> <package>
checkdepends(){
    file=$1; package=$2
    if [ ! -x $file ]; then
	echo "$file is missing"
	echo "please install $package package"
	exit 1
    fi
}

checkdepends /sbin/installkernel debianutils 
checkdepends /usr/sbin/mkinitramfs initramfs-tools
checkdepends /usr/sbin/update-grub grub

echo "running /sbin/installkernel..."
/sbin/${CROSS_COMPILE}installkernel "$@"

echo -n "making new initramfs..."
if test -f "$dir/initrd.img-$ver"; then
    mv "$dir/initrd.img-$ver" "$dir/initrd.img-$ver.old"
fi
mkinitramfs -o /boot/initrd.img-$ver $ver
echo "done."

echo "updating grub menu..."
update-grub