#!/bin/sh
# installs kernel only, this should be run only from the kernel source directory

error() # error
{
	echo "ERROR: $1"
	exit 1
}

# make sure we are root
if test ~ != '/root'
then
	error 'This script must be run as root'
fi

# remove the old
rm -f /boot/config.old
rm -f /boot/System.map.old
rm -f /boot/vmlinuz.old

# rename the present
mv /boot/config /boot/config.old
mv /boot/System.map /boot/System.map.old
mv /boot/vmlinuz /boot/vmlinuz.old

# copy in the new
cp arch/x86/boot/bzImage /boot/vmlinuz
cp System.map /boot
cp .config /boot/config

# for elilo
bootdir="/boot/efi/EFI/Slackware"
if test -d "$bootdir"
then
	cp arch/x86/boot/bzImage "$bootdir"/vmlinuz
fi

# change permissions of vmlinuz
chmod a-rwx,u+r /boot/vmlinuz

# check install
echo
if cmp arch/x86/boot/bzImage /boot/vmlinuz
then
	echo 'Kernel installed correctly'
else
	error 'Kernel install failed'
fi
if cmp System.map /boot/System.map
then
	echo 'System.map installed correctly'
else
	error 'System.map install failed'
fi
if cmp .config /boot/config
then
	echo 'Kernel config installed correctly'
else
	error 'Kernel config install failed'
fi
if test -d "$bootdir"
then
	if cmp arch/x86/boot/bzImage "$bootdir"/vmlinuz
	then
		echo 'kernel installed to EFI correctly'
	else
		error 'kernel install to EFI failed'
	fi
fi
echo
echo 'Kernel install completed successfully'
echo 'Remember to run lilo if you use it'
echo

exit 0