#!/bin/bash
mod_base="."
case $# in
1)
input_file="$1"
output_dir1="$(basename "$input_file" | sed -r 's/(.*)\.[^\.]*/\1/')"
;;
2)
mod_base="$1"
input_file="$2"
output_dir1="$(basename "$input_file" | sed -r 's/(.*)\.[^\.]*/\1/')"
;;
3)
mod_base="$1"
input_file="$2"
output_dir1="$3"
;;
*)
echo "usage: $0 [<base directory>] <input file> [<output directory>] ">&2
echo " - base directory defaults to '.'" >&2
exit 1
esac
#. split_functions

# the same as split_image but with tar
kernel_dir="$output_dir1"
echo -e "\nExtracting root kernel (kernel.image) from:\n $input_file ..."
	tar -xf "$kernel_dir/$input_file" -C .
	mv -f "$mod_base/var/tmp/kernel.image" "$kernel_dir/kernel.image"
	rm -fr $mod_base/var
	if [ ! -r "$kernel_dir/kernel.image" ]; then
		echo "Cannot find kernel.image"
		sleep 20
		exit 1
	fi
#	echo "Remove checksum"
#	$mod_base/tools/rmtichksum -f "$mod_base/$output_dir/kernel.image" > /dev/null
exit