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#! /bin/bash
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# $Id$
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#*********************************************************************
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#
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# fai-mirror -- create and manage a partitial mirror for FAI
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#
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# This script is part of FAI (Fully Automatic Installation)
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# (c) 2004-2005, Thomas Lange, lange@informatik.uni-koeln.de
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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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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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# MA 02111-1307, USA.
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#*********************************************************************
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version="Version 1.2, 13-jan-2005"
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# additional files: install_packages.conf
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# variables: NFSROOT, FAI_CONFIGDIR
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# TODO:
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# - add support for package that will be removed like: lilo-
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# currently you must remove those package from you package_config files
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set -a
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. /etc/fai/fai.conf
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FAI_ROOT=/ # do not execute in chroot
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[ -z "$MAXPACKAGES" ] && MAXPACKAGES=9999
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set +a
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trap "umount_dirs" EXIT ERR
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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usage() {
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echo "fai-mirror -- create and manage a partitial mirror for FAI. $version"
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echo "Please the the manual page fai-mirror(1)."
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exit
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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excludeclass() {
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# removes/excludes all classes in $* from $classes
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local insert eclasses newclass c e
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eclasses=$(echo $* | sed "s/,/ /g")
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for c in $classes; do
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insert=1
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for e in $eclasses; do
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[ $c = $e ] && insert=0
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done
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[ $insert = 1 ] && newclass="$newclass $c"
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done
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classes="$newclass"
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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get_addpackages() {
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# add packages (mostly kernels) which are defined in the variable $addpackages
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# TODO: maybe better to create a tmp file with all these package
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# names, then to call install_packages for the tmp file
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local f p pkg pkglist
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echo -n "Adding packages from variable \$addpackages:"
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for f in $(echo $FAI_CONFIGDIR/class/*.var); do
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pkg=$(egrep ^addpackages= $f | sed 's/addpackages=//'|sed 's/"//g'| perl -pe 's/\$[\w_-]+//g')
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pkglist="$pkglist $pkg"
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done
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# loop over the list, because maybe some packages doesn't exist in the
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# partitial mirror, but only in the local repository. These can't be
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# downloaded via the normal method
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for p in $pkglist; do
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echo -n " $p"
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# test if .deb file is available
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if [ ! -f $FAI_CONFIG/files/packages/${p}_*.deb ]; then
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apt-get -qq -d $aptoptions -y --force-yes --fix-missing install $p
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fi
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done
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echo ""
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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umount_dirs() {
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[ "$FAI_DEBMIRROR" ] && umount $FAI_ROOT/$MNTPOINT 2>/dev/null 1>&2
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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cleandirs() {
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return # currently nothing to do
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# rm $statefile
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# rm -rf $mirrordir/.apt-move $statefile
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# [ $debug -eq 1 ] || rm -rf $aptcache $archivedir
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# rm -rf $aptcache $archivedir
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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initialize() {
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# TODO: root is only needed when FAI_DEBMIRROR is defined. Then we
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# must mount a directory
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if [ ! -f /etc/fai/install_packages.conf ]; then
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echo "/etc/fai/install_packages.conf not found. Aborting."
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exit 3
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fi
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# store all packages temporary in the mirror partition so we need only a move,
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# not a copy later during apt-move
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aptcache=$mirrordir/aptcache # holds the package cache data
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archivedir=$aptcache/var/cache/apt/archives
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aptmovefile=$aptcache/etc/apt-move.conf # stores apt-move.conf
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statefile=$aptcache/statefile # also used in install_packages.conf
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# also used in install_pacakges.conf
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export aptoptions=" \
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-o Dir::State::status=$statefile \
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-o Dir::Cache=$aptcache/var/cache/apt \
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-o Dir::State=$aptcache/var/cache/apt \
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-o Dir::Cache::Archives=$archivedir \
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-o Dir::Etc::sourcelist=$aptcache/etc/apt/sources.list \
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-o Dir::State::Lists=$aptcache/var/lib/apt/lists/"
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# not needed
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# -o APT::Get::ReInstall
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# ."-o APT::Get::Download-Only=true -o Aptitude::Cmd-Line::Download-Only=true "
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# we only need some empty dirs
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mkdir -p $archivedir/partial $aptcache/etc/apt
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mkdir -p $aptcache/var/lib/apt/lists/partial
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> $statefile
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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delete_base_packages() {
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# now delete all packages that are already included in base.tgz
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local p
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echo "Removing packages that are already included in base.tgz"
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for p in $(cat $NFSROOT/var/tmp/base-pkgs.lis); do
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if [ -f $archivedir/${p}_*.deb ]; then
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[ $verbose -eq 1 ] && echo "deleting package $p"
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rm $archivedir/${p}_*.deb
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# else commands only for debugging
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# else
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# echo "package $p not found"
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# ls $archivedir/${p}_*.deb
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fi
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done
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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preserve=0
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verbose=0
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while getopts "vhx:p" opt ; do
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case "$opt" in
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h) usage ;;
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x) exclasses="$OPTARG";;
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p) preserve=1;;
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v) verbose=1; vflag=-v;;
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?) echo "Unknown option"; exit 1;;
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esac
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done
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shift $(($OPTIND - 1))
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debug=0
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[ $debug -eq 0 ] && quiet=-q
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mirrordir=$1
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if [ -z "$mirrordir" ]; then
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echo "Please give the directory for the mirror."
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exit 2
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fi
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if [ -d $mirrordir/pool -o -d $mirrordir/dists ]; then
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echo "Please first remove $mirrordir/pool and $mirrordir/dists"
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exit 3
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fi
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initialize
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# if we are using nfs mounts for Debian mirror, this may fail here, since inside a chroot environment different dir are used
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# if sources.list includes file AND FAI_DEBMIRROR is defined we have to mount
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# otherwise mounting is not needed. call task_mirror
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[ "$FAI_DEBMIRROR" ] && mount -r $FAI_DEBMIRROR $FAI_ROOT/$MNTPOINT
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# TODO: use -p to preserve sources.list
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perl -p -e 's/file:/copy:/' /etc/fai/sources.list > $aptcache/etc/apt/sources.list
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echo "Getting package information"
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apt-get $quiet $aptoptions update >/dev/null
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# all available file names are classes
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classes=$(cd $FAI_CONFIGDIR/package_config; ls -1 | egrep "^[A-Z0-9_]+$")
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addclasses=$(grep -h PACKAGES $FAI_CONFIGDIR/package_config/* | awk '{print $3}')
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export classes=$(echo -e "$classes\n$addclasses\n" | sort | uniq)
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[ -n "$exclasses" ] && excludeclass $exclasses
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echo "Downloading packages for classes:" $classes
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FAI=$FAI_CONFIGDIR install_packages -i $vflag -f /etc/fai
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get_addpackages
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umount_dirs
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trap "" EXIT ERR
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delete_base_packages
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# create mirror directory structure
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echo "Calling apt-move"
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cat > $aptmovefile <<EOF # generate apt-move.conf
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APTSITES=*
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LOCALDIR=$mirrordir
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DIST=sarge
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FILECACHE=$archivedir
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LISTSTATE=$aptcache/var/lib/apt/lists
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DELETE=no
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CONTENTS=no
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EOF
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apt-move $quiet -c $aptmovefile update
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echo "$0 finished."
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echo -n "Mirror size and location: ";du -sh $mirrordir
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cleandirs
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