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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 partial 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) 2004-2009, 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 1.10, 19-july-2009"
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# variables: NFSROOT, FAI_CONFIGDIR, FAI_ETC_DIR
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export FAI_ROOT=/ # do not execute in chroot, needed for install_packages call
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export PATH=$PATH:/usr/sbin
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trap "umount_dirs" EXIT ERR
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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usage() {
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echo "fai-mirror -- create and manage a partial mirror for FAI."
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echo "$version"
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echo "Please read the manual page fai-mirror(1)."
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exit
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - -
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die() {
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local e=$1 # first parameter is the exit code
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shift
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echo "$@" # print error message
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exit $e
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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excludeclass() {
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# removes/excludes all classes in $* from $classes
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local insert eclasses newclass c e
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eclasses="$*"
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eclasses=${eclasses//,/ }
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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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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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umount_dirs() {
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[ "$FAI_DEBMIRROR" ] && umount $MNTPOINT 2>/dev/null 1>&2 || true
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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 $archivedir
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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initialize() {
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# TODO: root is only needed when FAI_DEBMIRROR is defined. Then we
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# must mount a directory
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debdist=$(echo "$FAI_DEBOOTSTRAP" | awk '{print $1}')
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# store all packages temporary in the mirror partition so we need only a move,
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# not a copy later during apt-move
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aptcache=$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=$aptcache/statefile
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# also used in install_packages.conf
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export aptoptions=" \
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-o Aptitude::Log=/dev/null \
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-o Aptitude::CmdLine::Ignore-Trust-Violations=yes\
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-o APT::Get::AllowUnauthenticated=true \
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-o DPkg::force-conflicts::=yes \
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-o Dir::State::status=$statefile \
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-o APT::Get::Force-Yes=true \
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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=$archivedir \
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-o Dir::Etc=$aptcache/etc/apt/ \
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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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set -e
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mkdir -p $archivedir/partial $aptcache/etc/apt $aptcache/var/lib/apt/lists/partial
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> $statefile
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set +e
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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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if [ ! -f $NFSROOT/var/tmp/base-pkgs.lis ]; then
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echo "$NFSROOT/var/tmp/base-pkgs.lis not available."
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echo "Can't remove wasteful packages that are already in base.tgz."
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return
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fi
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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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add_base_packages() {
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local plist
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# add packages from base.tgz and additional packages in nfsroot
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# arch dependent packages defined in make-fai-nfsroot
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echo "Adding packages of $cfdir/NFSROOT."
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if [ -f $NFSROOT/var/tmp/packages.nfsroot ]; then
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plist=$(< $NFSROOT/var/tmp/packages.nfsroot)
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apt-get $qflag -d $aptoptions -y --force-yes --fix-missing install $plist
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else
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echo "WARNING: $NFSROOT/var/tmp/packages.nfsroot does not exists."
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echo "Can't add those packages. Maybe the nfsroot is not yet created."
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fi
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# now use sources.list for debootstrap packages
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echo "$FAI_DEBOOTSTRAP" | awk '{printf "deb %s %s main\n",$2,$1}' | perl -p -e 's/file:/copy:/' > $aptcache/etc/apt/sources.list
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echo "Adding packages from $NFSROOT/var/tmp/base-pkgs.lis"
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if [ -f $NFSROOT/var/tmp/base-pkgs.lis ]; then
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plist=$(< $NFSROOT/var/tmp/base-pkgs.lis)
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apt-get $qflag $aptoptions update >/dev/null
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apt-get $qflag -d $aptoptions -y --force-yes --fix-missing install $plist
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else
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echo "WARNING: $NFSROOT/var/tmp/base-pkgs.lis does not exists."
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echo "Can't add those packages. Maybe the nfsroot is not yet created."
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fi
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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set-classes() {
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# if -c is given, ignore -x
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if [ -n "$cclasses" ]; then
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export classes=${cclasses//,/ }
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return
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fi
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set +e
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# all available file names are classes
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classes=$(cd $FAI_CONFIGDIR/package_config; ls -1 | egrep -i "^[a-zA-Z0-9_-]+$")
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addclasses=$(grep -h PACKAGES $FAI_CONFIGDIR/package_config/* | sed -e 's/#.*//' | awk '{printf $3"\n"$4"\n"$5"\n"$6"\n"}')
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export classes=$(echo -e "$classes\n$addclasses\n" | sort | uniq)
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[ -n "$exclasses" ] && excludeclass $exclasses
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set -e
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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[ -x "$(which apt-move)" ] || die 5 "apt-move not found. Please install package."
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preserve=0
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verbose=0
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add=1
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qflag=-qq
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while getopts "Bvhx:pc:C:" opt ; do
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case "$opt" in
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B) add=0 ;;
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C) cfdir=$OPTARG ;;
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h) usage ;;
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x) exclasses="$OPTARG";;
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c) cclasses="$OPTARG";;
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p) preserve=1;;
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v) verbose=1; vflag=-v; qflag='';;
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?) die 1 "Unknown option";;
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esac
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done
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shift $(($OPTIND - 1))
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# use FAI_ETC_DIR from environment variable
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if [ -n "$FAI_ETC_DIR" -a -z "$cfdir" ]; then
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echo "Using environment variable \$FAI_ETC_DIR."
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fi
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# use -C option if present otherwise use $FAI_ETC_DIR or default to /etc/fai
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if [ -z "$cfdir" ]; then
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cfdir=${FAI_ETC_DIR:=/etc/fai}
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fi
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cfdir=$(readlink -f $cfdir) # canonicalize path
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if [ ! -d "$cfdir" ]; then
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echo "$cfdir is not a directory"
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exit 6
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fi
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[ "$verbose" -eq 1 ] && echo "Using configuration files from $cfdir"
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. $cfdir/fai.conf
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. $cfdir/make-fai-nfsroot.conf
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export NFSROOT="$NFSROOT/live/filesystem.dir"
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[ -n "$packages" ] && die "WARNING: The use of \$packages in make-fai-nfsroot.conf is now deprecated. Please include this information into $cfdir/NFSROOT."
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[ -n "$NFSROOT_PACKAGES" ] && die "WARNING: The use of \$packages in make-fai-nfsroot.conf is now deprecated. Please include this information into $cfdir/NFSROOT."
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[ -n "$exclasses" -a -n "$cclasses" ] && die 3 "Options -x and -c not allowed at the same time."
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mirrordir=$1
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if [ -z "$mirrordir" ]; then
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die 2 "Please give the absolute path to the mirror."
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fi
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{ echo $mirrordir | egrep -q '^/'; } || die 4 "Mirrordir must start with a slash /."
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if [ -d $mirrordir/pool -o -d $mirrordir/dists ]; then
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die 3 "Please first remove $mirrordir/pool and $mirrordir/dists"
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fi
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[ -d $FAI_CONFIGDIR/package_config ] || die 6 "Can't find package config files in $FAI_CONFIGDIR."
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# set default if undefined
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[ -z "$MAXPACKAGES" ] && export MAXPACKAGES=1
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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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if [ "$FAI_DEBMIRROR" ]; then
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mkdir -p $MNTPOINT
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mount -r $FAI_DEBMIRROR $MNTPOINT || exit 9
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fi
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# TODO: use -p to preserve sources.list
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perl -p -e 's/file:/copy:/' $cfdir/apt/sources.list > $aptcache/etc/apt/sources.list
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echo "Getting package information"
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apt-get $qflag $aptoptions update >/dev/null
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set-classes
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echo "Downloading packages for classes:" $classes
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FAI=$FAI_CONFIGDIR install_packages -d $vflag
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[ $add -eq 1 ] && add_base_packages
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umount_dirs
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trap "" EXIT ERR
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[ $add -eq 0 ] && 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=$debdist
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FILECACHE=$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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PKGCOMP='none gzip'
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EOF
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apt-move $qflag -c $aptmovefile update
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# since Packages.gz from apt-move does not include packages from my
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# repository, let's use apt-ftparchive for generiating correct index
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# files
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pfilegz=$(find $mirrordir/dists -name Packages.gz)
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pfile=$(find $mirrordir/dists -name Packages)
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pdist=$(cd $mirrordir/dists ; ls)
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cd $mirrordir
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# md5sums of apt-move are not valid, when we recreate Packages.gz using
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# apt-ftparchive, but we can use the header of the Release file
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grep -B99 MD5Sum: $mirrordir/dists/$pdist/Release | grep -v MD5Sum: > $mirrordir/tmpfile
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rm $mirrordir/dists/$pdist/Release
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apt-ftparchive packages pool > $pfile
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gzip -c $pfile > $pfilegz
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apt-ftparchive release dists/$pdist >> tmpfile
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mv tmpfile dists/$pdist/Release
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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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