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#! /bin/sh
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# $Id$
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#*********************************************************************
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#
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# ftar -- extract tar files using FAI classes
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#
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# This script is part of FAI (Fully Automatic Installation)
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# Copyright (C) 2001 Thomas Lange, lange@informatik.uni-koeln.de
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# Universitaet zu Koeln
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#
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#*********************************************************************
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# A copy of the GNU General Public License is available as
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# '/usr/share/common-licences/GPL' in the Debian GNU/Linux distribution
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# or on the World Wide Web at http://www.gnu.org/copyleft/gpl.html. You
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# can also obtain it by writing to the Free Software Foundation, Inc.,
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# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#*********************************************************************
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version="Version 1.4 11-july-2001"
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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die() {
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echo "ftar died: $1"
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exit 99
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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extract() {
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local file=$1
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local catname=$2
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echo "ftar: extracting $file to $target/$dir"
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$catname $file | tar -C $target/$dir $vflag -xf -
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tardone=1
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# if option -1 is set, only one class will be used
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$single && exit 0
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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usage() {
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cat <<EOF
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ftar, extract tar files using classes. $version
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Copyright (C) 2001 by Thomas Lange
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Usage: ftar [OPTION] ... SOURCE
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-1 Use only first tar file matching class name.
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-c class[class] Define classes (space separated).
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-d Delete all files in target before extracting.
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-D Create debug output.
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-h Show summary of options.
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-r Recursively remove files in target before extracting.
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-s source_dir Look for source files relative to source_dir.
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-t target_dir Extract files relativ to target_dir.
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-v Be verbose. Not yet used.
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Report bugs to <lange@informatik.uni-koeln.de>.
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EOF
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exit 0
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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source=$FAI_FILES
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target=$FAI_ROOT
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deletefiles=0
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removedir=0
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tardone=0
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while getopts 1hDdrvs:t:c: opt ; do
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case "$opt" in
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d) deletefiles=1 ;;
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D) debug=1 ;;
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r) removedir=1 ;;
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# v) verbose=1 ;;
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1) single=1 ;;
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s) source=$OPTARG ;;
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t) target=$OPTARG ;;
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c) classes=$OPTARG ;;
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h) usage ;;
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esac
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done
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shift $(($OPTIND - 1))
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[ "$1" ] || usage
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[ -f /tmp/FAI_CLASSES ] && classes=`cat /tmp/FAI_CLASSES`
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# last class has highest priority
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# reverse order of classes
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for class in $classes; do
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revclasses="$class $revclasses"
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done
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[ "$debug" ] && vflag="-v"
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[ "$debug" ] && echo "ftar: classes : $revclasses"
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[ -z "$source" ] && die "Source directory undefined."
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[ -z "$target" ] && die "Target directory undefined."
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# currently only one directory is used
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dir=$1
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fpath=$source/$dir
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[ -d $fpath ] || die "no directory $fpath"
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[ $deletefiles -eq 1 ] && cd $target/$dir ; rm -f .* * 2>/dev/null
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[ $removedir -eq 1 ] && cd $target/$dir ; rm -rf .* * 2>/dev/null
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for c in $revclasses ; do
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# what if a directory exists, which is equal to the hostname or a classname ?
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# [ -f $fpath/$c ] && extract $fpath/$c cat
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[ -f $fpath/$c.tar ] && extract $fpath/$c.tar cat
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[ -f $fpath/$c.tar.gz ] && extract $fpath/$c.tar.gz zcat
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[ -f $fpath/$c.tar.bz2 ] && extract $fpath/$c.tar.bz2 bzcat
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done
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[ $tardone -eq 0 ] && echo "No matching class found in $fpath"
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exit 0
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