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B. Clone script

#!/bin/bash

set -e

export PATH=/sbin:/bin

tftp_server=10.0.0.1
nic_module=3c59x.o
major_a=(2 3 22)
family_a=(fd hda hdc)
image_a=(img0001 img0002 img0003 img0004)

operation_a=(	"Copy from network to device" \
		"Copy from device to network" \
		"Run fdisk")

mount -t proc proc /proc
insmod /lib/${nic_module}
/sbin/dhcpcd

while true; do \
	[ ! -z "${image}" ] && unset image
	echo
	echo "Clone Menu"
	echo
	echo "Operation"
	echo
	PS3="Choose operation (1-${#operation_a[*]}): "
	select operation in "${operation_a[@]}"; do \
		[ -z "${operation}" ] && continue
		echo
		echo $REPLY - $operation
		echo
		break
	done

	echo "Device Family"
	echo
	PS3="Choose device family (1-${#family_a[*]}): "
	select family in "${family_a[@]}"; do \
		[ -z "${family}" ] && continue
		echo
		echo $REPLY - $family
		echo
		break
	done

	major_i=$[REPLY-1]
	major=${major_a[$major_i]}

	echo "Minor Number"
	echo
	PS3="Choose minor number (0-255): "
	echo -n "$PS3" >&2
	read minor
	minor=$[minor%256]
	echo
	echo $minor
	echo

	if [ "${operation}" != "${operation_a[2]}" ]; then \
		echo "Image"
		echo
		PS3="Choose image (1-${#image_a[*]}): "
		select image in "${image_a[@]}"; do \
			[ -z "${image}" ] && continue
			echo
			echo $REPLY - $image
			echo
			break
		done
		image_i=$[REPLY-1]
		image=${image_a[${image_i}]}
	fi

	echo
	echo -e "Operation:\t$operation"
	device_name=/dev/${family_a[${major_i}]}${minor}
	echo -e "Device:\t\t${device_name} ($major, $minor)"
	[ ! -z "${image}" ] && echo -e "Image:\t\t${image}"
	echo

	echo "Confirmation"
	echo
	PS3="Ok/Cancel (1-2): "
	select ok in Ok Cancel; do \
		[ -z "${ok}" ] && continue
		echo
		echo $REPLY - $ok
		echo
		break
	done
	if [ "${ok}" = "Ok" ]; then \
		if [ ! -b ${device_name} ]; then \
			echo "Creating ${device_name}"
			mknod ${device_name} b ${major} ${minor}
		fi
		if [ ! -z "${image}" ]; then \
			if [ ! -p ${image} ]; then \
				echo "Creating pipe"
				mknod ${image} p
			fi
		fi
		if [ "${operation}" = "${operation_a[0]}" ]; then \
			tftp ${tftp_server} <<-EOT &
			binary
			get ${image}
			EOT
			gzip -c -d < ${image} | dd of=${device_name}
		elif [ "${operation}" = "${operation_a[1]}" ]; then \
			tftp ${tftp_server} <<-EOT &
			binary
			put ${image}
			EOT
			dd if=${device_name} | gzip -c > ${image}
		elif [ "${operation}" = "${operation_a[2]}" ]; then \
			fdisk ${device_name}
		fi
		echo
	fi

	echo "Continuation"
	echo
	PS3="Continue/Exit (1-2): "
	select new in Continue Exit; do \
		[ -z "${new}" ] && continue
		echo
		echo $REPLY - $new
		echo
		break
	done
	[ "${new}" = "Exit" ] && break
done
exit 0
		



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