rocklinux/target/lvp/x86/release_skeleton/scripts/plain

#!/bin/bash
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# 
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# Please add additional copyright information _after_ the line containing
# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
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# ROCK Linux: rock-src/target/lvp/x86/release_skeleton/scripts/plain
# ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
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type_plain="plain"

usage_plain(){
	cat >&2 <<EOF
Usage: ${0} -type plain
	This will save the files in plain view on the medium.
	This way you can view the content on any OS without the
	need to boot the LVP. Of course, you can still do so :)

EOF
}

lvp_copy(){
	src="${1}" ; trg="${2}"
	echo -n "Trying to hardlink ${src} ... "
	if ln "${src}" "${trg}" 2>/dev/null ; then
		echo "ok"
	else
		echo "failed"
		echo -n "Copying ${src} to ${trg} ... "
		if cp "${src}" "${trg}" ; then
			echo "ok"
		else
			echo "failed"
		fi
	fi
}

process_plain(){
	target="livesystem"

	echo -n "Checking necessary filesystem size ... "
	filesize=0

	while read file ; do
		[ ! -f "${file}" ] && continue
		thisfilesize=`ls -l "${file}" | sed 's,[ \t][ \t]*, ,g' | cut -f5 -d' '`
		filesize=$(( ${filesize} + ${thisfilesize} ))
	done < ${moviefiles}

	echo "${filesize} Byte (`human_readable ${size}`)"

	echo -n "Checking Livesystem size ... "
	livesize=`du -sb ${target} | cut -f1`
	livesize=$(( ${livesize} + `du -sb isolinux | cut -f1` ))
	echo "`human_readable ${livesize}`"
	filesize=$(( ${filesize} + ${livesize} ))
	echo
	echo "Total space needed: $(( ${filesize} / 1024 / 1024 )) MB"

	if [ $(( ${filesize} / 1024 / 1024 )) -gt ${size} ] ; then
		echo
		echo "This may be more than fits onto your medium."
		echo "You specified ${size} MB to fit onto your medium."
		echo "If you are sure that this is okay, please continue."
		echo "If not, please truncate your filelist."
		confirm "Continue"
		[ ${?} -eq 1 ] && exit 1
	fi

	while read file ; do
		[ ! -f "${file}" ] && continue

		if [ -f "${target}/${file##*/}" ] ; then
			origfilesize=`ls -l "${file}" | sed 's,[ \t][ \t]*, ,g' | cut -f5 -d' '`
			targfilesize=`ls -l "${target}/${file##*/}" | sed 's,[ \t][ \t]*, ,g' | cut -f5 -d' '`

			if [ ${origfilesize} -eq ${targfilesize} ] ; then
				echo "${target}/${file##*/} already exists."
			else
				rm -f "${target}/${file##*/}"
				lvp_copy "${file}" "${target}/${file##*/}"
			fi
		else
			rm -f "${target}/${file##*/}"
			lvp_copy "${file}" "${target}/${file##*/}"
		fi

		environment="`echo ${file} | tr '[. \-!]' '_'`"
		eval "export file_${environment##*/}=\"/${file##*/}\""
	done < ${moviefiles}

	lvpxml=${target}/lvp.xml
	process_create_lvpxml
}