mirror of
https://git.launchpad.net/livecd-rootfs
synced 2025-04-06 07:44:46 +00:00
74f42c2ab3
Imported using git-ubuntu import.
Changelog parent: 13d576c53f387b26c046be56081947ad9afa9652
New changelog entries:
* Compress the initrd with LZMA by default, now that the kernel supports
this across the board. Saves about 3MB on Ubuntu live CDs.
571 lines
19 KiB
Bash
Executable File
571 lines
19 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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##########################################################################
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#### (c) Copyright 2004-2007 Canonical Ltd. #####
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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, or (at your option) #
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# 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 with #
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# your Ubuntu system, in /usr/share/common-licenses/GPL, or with the #
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# livecd-rootfs source package as the file COPYING. If not, write to #
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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, #
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# Boston, MA 02110-1301 USA. #
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##########################################################################
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# Depends: debootstrap, rsync, python-minimal|python, procps, squashfs-tools
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cleanup() {
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for mnt in ${ROOT}dev/pts ${ROOT}dev/shm ${ROOT}.dev ${ROOT}dev \
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${ROOT}proc/sys/fs/binfmt_misc ${ROOT}proc ${ROOT}sys \
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${ROOT}lib/modules/*/volatile ${ROOT}var/{lock,run}; do
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umount $mnt || true
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done
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[ -n "$DEV" ] && losetup -d $DEV || true
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grep ${ROOT} /proc/mounts && return 1 || return 0
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}
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kill_users() {
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set +e
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PIDLIST="$(ls -l /proc/*/root 2>/dev/null | grep -- " -> ${ROOT%/}" | sed -n 's/^.*proc.\([0-9]*\).*$/\1/p')"
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while [ -n "${PIDLIST}" ]; do
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echo killing $PIDLIST
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ps -l $(for p in $PIDLIST; do echo ' '-p $p; done)
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kill -9 $PIDLIST
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sleep 2
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PIDLIST="$(ls -l /proc/*/root 2>/dev/null | grep -- " -> ${ROOT%/}" | sed -n 's/^.*proc.\([0-9]*\).*$/\1/p')"
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done
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set -e
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}
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without_package() {
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echo "$2" | tr ' ' '\n' | grep -v "^$1$" | tr '\n' ' '
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}
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subst_package() {
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echo "$3" | tr ' ' '\n' | sed "s/^$1$/$2/" | tr '\n' ' '
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}
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if [ $(id -u) != 0 ];then
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echo "must be run as root"
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exit 2
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fi
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umask 022
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export TTY=unknown
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export TERM=vt100
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export DEBIAN_FRONTEND=noninteractive
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export LANG=C
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export CASPER_GENERATE_UUID=1
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SRCMIRROR=http://archive.ubuntu.com/ubuntu
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ARCH=$(dpkg --print-architecture)
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OPTMIRROR=
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INITRD_COMPRESSOR=lzma
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select_mirror () {
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case $ARCH in
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i386|amd64)
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case $FS in
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ubuntu-lpia|ubuntu-mid)
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USERMIRROR=http://ports.ubuntu.com/ubuntu-ports
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SECMIRROR=${USERMIRROR}
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SECSRCMIRROR=${SRCMIRROR}
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TARGETARCH=lpia
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;;
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*)
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USERMIRROR=http://archive.ubuntu.com/ubuntu
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SECMIRROR=http://security.ubuntu.com/ubuntu
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SECSRCMIRROR=${SECMIRROR}
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TARGETARCH=${ARCH}
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;;
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esac
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;;
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*)
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USERMIRROR=http://ports.ubuntu.com/ubuntu-ports
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SECMIRROR=${USERMIRROR}
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SECSRCMIRROR=${SRCMIRROR}
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TARGETARCH=${ARCH}
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;;
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esac
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case $(hostname --fqdn) in
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bld-*.mmjgroup.com) MIRROR=${USERMIRROR};;
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*.mmjgroup.com) MIRROR=http://archive.mmjgroup.com/${USERMIRROR##*/};;
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*.0c3.net) MIRROR=http://ftp.iinet.net.au/linux/ubuntu;;
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*.ubuntu.com) MIRROR=http://ftpmaster.internal/ubuntu;;
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*.warthogs.hbd.com) MIRROR=http://ftpmaster.internal/ubuntu;;
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*.buildd) MIRROR=http://ftpmaster.internal/ubuntu;;
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*) MIRROR=${USERMIRROR};;
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esac
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if [ "$OPTMIRROR" ]; then
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MIRROR="$OPTMIRROR"
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fi
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}
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STE=$(lsb_release -cs)
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EXCLUDE=""
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LIST=""
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SUBARCH=""
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PROPOSED=""
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while getopts :d:e:i:I:m:S:s:a:p name; do case $name in
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d) STE=$OPTARG;;
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e) EXCLUDE="$EXCLUDE $OPTARG";;
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i) LIST="$LIST $OPTARG";;
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I) UINUM="$OPTARG";;
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m) OPTMIRROR="$OPTARG";;
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S) USZ="$OPTARG";;
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s) SUBARCH="$OPTARG";;
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a) ARCH="$OPTARG";;
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p) PROPOSED="yes";;
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\?) echo bad usage >&2; exit 2;;
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\:) echo missing argument >&2; exit 2;;
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esac; done;
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shift $((OPTIND-1))
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if (( $# == 0 )) || [ "X$1" = "Xall" ]; then
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set -- ubuntu kubuntu kubuntu-kde4 edubuntu xubuntu mythbuntu gobuntu base
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if [ "$ARCH" = "i386" ]; then
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set -- ubuntu ubuntu-dvd kubuntu kubuntu-dvd kubuntu-kde4 edubuntu edubuntu-dvd mythbuntu xubuntu gobuntu base
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fi
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fi
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for arg in "$@"; do
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case "$arg" in
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ubuntu|ubuntu-dvd|ubuntu-lpia|edubuntu|edubuntu-dvd|kubuntu|kubuntu-dvd|kubuntu-kde4|xubuntu|mythbuntu|gobuntu|ubuntu-mid|ubuntu-netbook-remix|base|tocd)
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;;
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*)
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echo bad name >&2;
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exit 2
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;;
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esac
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done
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ROOT=$(pwd)/chroot-livecd/ # trailing / is CRITICAL
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for FS in "$@"; do
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FSS="$FS${SUBARCH:+-$SUBARCH}"
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IMG=livecd.${FSS}.fsimg
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DEV=""
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COMP="main restricted"
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select_mirror
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rm -rf ${ROOT}
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mkdir -p ${ROOT}var/cache/debconf
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cat << @@EOF > ${ROOT}var/cache/debconf/config.dat
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Name: debconf/frontend
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Template: debconf/frontend
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Value: Noninteractive
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Owners: debconf
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Flags: seen
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@@EOF
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case "$FS" in
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ubuntu|ubuntu-lpia|ubuntu-dvd)
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LIST="$LIST minimal^ standard^ ubuntu-desktop^"
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LIVELIST="ubuntu-live^ laptop-detect casper lupin-casper"
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;;
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kubuntu|kubuntu-dvd)
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LIST="$LIST minimal^ standard^ kubuntu-desktop^"
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LIVELIST="kubuntu-live^ laptop-detect casper lupin-casper"
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;;
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kubuntu-kde4)
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LIST="$LIST minimal^ standard^ kubuntu-kde4-desktop^"
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LIVELIST="language-support-en kubuntu-kde4-live^ laptop-detect casper lupin-casper"
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COMP="main restricted universe multiverse"
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;;
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edubuntu|edubuntu-dvd)
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LIST="$LIST minimal^ standard^ edubuntu-desktop^"
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LIVELIST="edubuntu-live^ laptop-detect casper lupin-casper"
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;;
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xubuntu)
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LIST="$LIST minimal^ standard^ xterm xubuntu-desktop^"
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LIVELIST="xubuntu-live^ laptop-detect casper lupin-casper"
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COMP="main restricted universe multiverse"
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;;
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gobuntu)
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LIST="$LIST minimal^ standard^ gobuntu-desktop^"
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LIVELIST="gobuntu-live^ laptop-detect casper lupin-casper"
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COMP="main"
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;;
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ubuntu-mid)
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LIST="$LIST minimal^ mobile-mid^"
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LIVELIST="mobile-live^ casper ubiquity"
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COMP="main restricted universe multiverse"
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;;
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ubuntu-netbook-remix)
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LIST="$LIST minimal^ standard^ mobile-netbook-remix^"
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LIVELIST="mobile-live^ casper ubiquity"
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COMP="main restricted universe"
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;;
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mythbuntu)
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LIST="$LIST minimal^ standard^ mythbuntu-desktop"
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LIVELIST="mythbuntu-live laptop-detect casper lupin-casper"
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COMP="main restricted universe multiverse"
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;;
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base)
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LIST="$LIST minimal^ standard^"
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LIVELIST="casper lupin-casper"
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;;
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tocd)
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LIST="$LIST minimal^ standard^"
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tocdtmp=`mktemp -d` || exit 1
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tocdgerminate='http://people.ubuntu.com/~cjwatson/germinate-output/tocd3.1-dapper/'
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if wget -O "$tocdtmp"/desktop "$tocdgerminate"/desktop; then
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tocddesktop=`awk '{print $1}' "$tocdtmp"/desktop | egrep -v '^-|^Package|^\|' | tr '\n' ' '`
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echo "TheOpenCD desktop package list is: $tocddesktop"
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else
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echo "Unable to fetch tocd-desktop germinate output."
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[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
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exit 1
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fi
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if wget -O "$tocdtmp"/live "$tocdgerminate"/live; then
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tocdlive=`awk '{print $1}' "$tocdtmp"/live | egrep -v '^-|^Package|^\|' | tr '\n' ' '`
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echo "TheOpenCD live package list is: $tocdlive"
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else
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echo "Unable to fetch tocd-live germinate output."
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[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
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exit 1
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fi
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[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
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LIST="$LIST $tocddesktop"
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LIVELIST="$tocdlive casper"
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esac
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case "$FS" in
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*-dvd)
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LIVELIST="$LIVELIST ${FS}-live^"
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UNIVERSE=1
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MULTIVERSE=1
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;;
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*)
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UNIVERSE=
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MULTIVERSE=
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;;
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esac
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dpkg -l livecd-rootfs || true # get our version # in the log.
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debootstrap --components=$(echo $COMP | sed 's/ /,/g') --arch $TARGETARCH $STE $ROOT $MIRROR
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# Recent dpkg has started complaining pretty loudly if dev/pts isn't
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# mounted, so let's get it mounted immediately after debootstrap:
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mount -t devpts devpts-${STE}-${FSS}-livefs ${ROOT}dev/pts
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# Just make a few things go away, which lets us skip a few other things.
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DIVERTS="usr/sbin/mkinitrd usr/sbin/invoke-rc.d"
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for file in $DIVERTS; do
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mkdir -p ${ROOT}${file%/*}
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chroot $ROOT dpkg-divert --add --local --divert /${file}.livecd --rename /${file}
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cp ${ROOT}/bin/true ${ROOT}$file
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done
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# /bin/true won't cut it for mkinitrd, need to have -o support.
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cat << @@EOF > ${ROOT}/usr/sbin/mkinitrd
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#!/usr/bin/python
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import sys
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for i in range(len(sys.argv)):
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if sys.argv[i]=='-o':
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open(sys.argv[i+1],"w")
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@@EOF
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chmod 755 ${ROOT}usr/sbin/mkinitrd
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trap "cleanup" 0 1 2 3 15
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case $TARGETARCH in
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alpha|amd64|i386|ia64|lpia|m68k|mips|mipsel)
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link_in_boot=no
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;;
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*)
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link_in_boot=yes
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;;
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esac
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# Make a good /etc/kernel-img.conf for the kernel packages
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cat << @@EOF >> ${ROOT}etc/kernel-img.conf
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do_symlinks = yes
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relative_links = yes
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do_bootloader = no
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do_bootfloppy = no
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do_initrd = yes
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link_in_boot = $link_in_boot
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@@EOF
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mkdir -p ${ROOT}proc
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mount -tproc none ${ROOT}proc
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case $TARGETARCH+$SUBARCH in
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powerpc+ps3)
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mkdir -p ${ROOT}spu;;
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esac
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# In addition to the ones we got from apt, trust whatever the local system
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# believes in, but put things back afterwards.
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cp ${ROOT}etc/apt/trusted.gpg ${ROOT}etc/apt/trusted.gpg.$$
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cat /etc/apt/trusted.gpg >> ${ROOT}etc/apt/trusted.gpg
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case $TARGETARCH in
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amd64) LIST="$LIST linux-generic";;
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i386) LIST="$LIST linux-generic";;
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# and the bastard stepchildren
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lpia) LIST="$LIST linux-lpia";;
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ia64) LIST="$LIST linux-ia64";;
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hppa) LIST="$LIST linux-hppa32 linux-hppa64";;
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powerpc) LIST="$LIST linux-powerpc linux-powerpc64-smp";;
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sparc*) LIST="$LIST linux-sparc64";;
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armel) LIST="$LIST linux-imx51";;
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*) echo "Unknown architecture: no kernel."; exit 1;;
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esac
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if [ $FS = "ubuntu-mid" ]; then
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case "$SUBARCH" in
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*proprietary*)
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case "$SUBARCH" in
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menlow*)
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LIST="$LIST marvell-8686-firmware-9 psb-video libgl1-mesa-dri-psb xorg-modules-xpsb"
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;;
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esac
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LIST="$LIST mobile-usb-client-utils mobile-usb-host-utils"
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;;
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esac
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fi
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for x in $EXCLUDE; do
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LIST="$(without_package "$x" "$LIST")"
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done
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if [ "$STE" = "hardy" ]; then
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# <hack, hack, hack> use the version of ssl-cert from the release
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# pocket, because the version in -updates pulls in the large
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# openssl-blacklist package which we should never need on the
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# live CD
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cat << @@EOF > ${ROOT}etc/apt/preferences
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Package: ssl-cert
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Pin: version 1.0.14-0ubuntu2
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Pin-Priority: 900
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@@EOF
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fi
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# Create a good sources.list, and finish the install
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echo deb $MIRROR $STE ${COMP} > ${ROOT}etc/apt/sources.list
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echo deb $MIRROR ${STE}-security ${COMP} >> ${ROOT}etc/apt/sources.list
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echo deb $MIRROR ${STE}-updates ${COMP} >> ${ROOT}etc/apt/sources.list
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if [ "$PROPOSED" = "yes" ]; then
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echo deb $MIRROR ${STE}-proposed ${COMP} >> ${ROOT}etc/apt/sources.list
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fi
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chroot $ROOT apt-get update
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chroot $ROOT apt-get -y --purge dist-upgrade </dev/null
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chroot $ROOT apt-get -y --purge install $LIST </dev/null
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# launchpad likes to put dependencies of seeded packages in tasks along with the
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# actual seeded packages. In general, this isn't an issue. With updated kernels
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# and point-releases, though, we end up with extra header packages:
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chroot ${ROOT} dpkg -l linux-headers-2\* | grep ^i | awk '{print $2}' \
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> livecd.${FSS}.manifest-headers
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chroot ${ROOT} dpkg -l linux-headers-\* | grep ^i | awk '{print $2}' \
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> livecd.${FSS}.manifest-headers-full
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HEADERPACKAGES=`cat livecd.${FSS}.manifest-headers-full`
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HEADERMETA=""
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for i in `comm -3 livecd.${FSS}.manifest-headers livecd.${FSS}.manifest-headers-full`; do
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HEADERMETA="$HEADERMETA $i"
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done
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rm -f livecd.${FSS}.manifest-headers livecd.${FSS}.manifest-headers-full
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chroot ${ROOT} apt-get -y --purge remove $HEADERPACKAGES </dev/null || true
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chroot ${ROOT} apt-get -y --purge install $HEADERMETA </dev/null || true
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# End horrible linux-header launchpad workaround. Hopefully this is temporary.
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chroot ${ROOT} dpkg-query -W --showformat='${Package} ${Version}\n' \
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> livecd.${FSS}.manifest-desktop
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chroot $ROOT apt-get -y --purge install $LIVELIST </dev/null
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case $FS in
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edubuntu)
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chroot $ROOT apt-cache dumpavail | \
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grep-dctrl -nsPackage -FTask edubuntu-ship-addon -a \
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-FTask edubuntu-live | \
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sort -u | \
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xargs chroot $ROOT \
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dpkg-query -W --showformat='${Package} ${Version}\n' \
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>> livecd.${FSS}.manifest-desktop
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;;
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esac
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chroot ${ROOT} dpkg-query -W --showformat='${Package} ${Version}\n' \
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> livecd.${FSS}.manifest
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kill_users
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chroot $ROOT /etc/cron.daily/mlocate || true
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chroot $ROOT /etc/cron.daily/man-db || true
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# remove our diversions
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for file in $DIVERTS; do
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ls -ld ${ROOT}${file} ${ROOT}${file}.livecd || true
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rm -f ${ROOT}${file}
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chroot $ROOT dpkg-divert --remove --rename /${file}
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done
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# remove the apt preferences hack if it was added
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rm -f ${ROOT}etc/apt/preferences
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# And make this look more pristine
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cat << @@EOF > ${ROOT}etc/apt/sources.list
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deb ${USERMIRROR} $STE ${COMP}
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deb-src ${SRCMIRROR} $STE ${COMP}
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deb ${SECMIRROR} ${STE}-security ${COMP}
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deb-src ${SECSRCMIRROR} ${STE}-security ${COMP}
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## Major bug fix updates produced after the final release of the
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## distribution.
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deb ${USERMIRROR} ${STE}-updates ${COMP}
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deb-src ${SRCMIRROR} ${STE}-updates ${COMP}
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@@EOF
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if [ "$UNIVERSE" ]; then
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COMMENT=
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else
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cat << @@EOF >> ${ROOT}etc/apt/sources.list
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## Uncomment the following two lines to add software from the 'universe'
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## repository.
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@@EOF
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COMMENT='# '
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fi
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cat << @@EOF >> ${ROOT}etc/apt/sources.list
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## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
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## team. Also, please note that software in universe WILL NOT receive any
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## review or updates from the Ubuntu security team.
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${COMMENT}deb ${USERMIRROR} $STE universe
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${COMMENT}deb-src ${SRCMIRROR} $STE universe
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${COMMENT}deb ${USERMIRROR} ${STE}-updates universe
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${COMMENT}deb-src ${SRCMIRROR} ${STE}-updates universe
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${COMMENT}deb ${SECMIRROR} ${STE}-security universe
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${COMMENT}deb-src ${SECSRCMIRROR} ${STE}-security universe
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@@EOF
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if [ "$MULTIVERSE" ]; then
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COMMENT=
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else
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COMMENT='# '
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fi
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cat << @@EOF >> ${ROOT}etc/apt/sources.list
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## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
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## team, and may not be under a free licence. Please satisfy yourself as to
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## your rights to use the software. Also, please note that software in
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## multiverse WILL NOT receive any review or updates from the Ubuntu
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## security team.
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${COMMENT}deb ${USERMIRROR} $STE multiverse
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${COMMENT}deb-src ${SRCMIRROR} $STE multiverse
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${COMMENT}deb ${USERMIRROR} ${STE}-updates multiverse
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${COMMENT}deb-src ${SRCMIRROR} ${STE}-updates multiverse
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${COMMENT}deb ${SECMIRROR} ${STE}-security multiverse
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${COMMENT}deb-src ${SECSRCMIRROR} ${STE}-security multiverse
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@@EOF
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mv ${ROOT}etc/apt/trusted.gpg.$$ ${ROOT}etc/apt/trusted.gpg
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# get rid of the .debs - we don't need them.
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chroot ${ROOT} apt-get clean
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rm -f ${ROOT}etc/X11/xorg.conf
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# Restore an empty xorg.conf, else xserver-xorg postinst will be confused
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touch ${ROOT}etc/X11/xorg.conf
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rm -f ${ROOT}var/lib/apt/lists/*_*
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rm -f ${ROOT}var/spool/postfix/maildrop/*
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# Removing update-notifier notes is now considered harmful:
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#rm -f ${ROOT}var/lib/update-notifier/user.d/*
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# The D-Bus machine identifier needs to be unique, and is generated at
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# boot time if it's missing.
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rm -f ${ROOT}var/lib/dbus/machine-id
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chroot $ROOT apt-get update || true # give them fresh lists, but don't fail
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rm -f ${ROOT}etc/resolv.conf ${ROOT}etc/mailname
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if [ -f ${ROOT}/etc/postfix/main.cf ]; then
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sed -i '/^myhostname/d; /^mydestination/d; /^myorigin/d' ${ROOT}etc/postfix/main.cf
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echo set postfix/destinations | chroot ${ROOT} /usr/bin/debconf-communicate postfix
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echo set postfix/mailname | chroot ${ROOT} /usr/bin/debconf-communicate postfix
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fi
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KVERS=`chroot ${ROOT} dpkg -l linux-image-2\*|grep ^i|awk '{print $2}'|sed 's/linux-image-//'`
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for KVER in ${KVERS}; do
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SUBARCH="${KVER#*-*-}"
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chroot ${ROOT} update-initramfs -k "${KVER}" -u
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# we mv the initramfs, so it's not wasting space on the livefs
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mv ${ROOT}/boot/initrd.img-"${KVER}" livecd.${FSS}.initrd-"${SUBARCH}"
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rm -f ${ROOT}/boot/initrd.img-"${KVER}".bak
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# ubiquity >= 1.9.4 copies the kernel from the CD root if it doesn't
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# find one on the livefs, allowing us to save space
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mv ${ROOT}/boot/vmlinu?-"${KVER}" livecd.${FSS}.kernel-"${SUBARCH}"
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if [ "$INITRD_COMPRESSOR" != gz ]; then
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zcat "livecd.${FSS}.initrd-${SUBARCH}" | "$INITRD_COMPRESSOR" -9c \
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> "livecd.${FSS}.initrd-${SUBARCH}.new"
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mv "livecd.${FSS}.initrd-${SUBARCH}.new" \
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"livecd.${FSS}.initrd-${SUBARCH}"
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fi
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done
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NUMKVERS="$(set -- $KVERS; echo $#)"
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if [ "$NUMKVERS" = 1 ]; then
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# only one kernel
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SUBARCH="${KVERS#*-*-}"
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ln -sf livecd.${FSS}.initrd-"${SUBARCH}" livecd.${FSS}.initrd
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ln -sf livecd.${FSS}.kernel-"${SUBARCH}" livecd.${FSS}.kernel
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fi
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case $TARGETARCH+$SUBARCH in
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powerpc+ps3)
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chroot ${ROOT} addgroup --system spu;;
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esac
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# all done with the chroot; reset the debconf frontend, so Colin doesn't cry
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echo RESET debconf/frontend | chroot $ROOT debconf-communicate
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echo FSET debconf/frontend seen true | chroot $ROOT debconf-communicate
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# And now that we're done messing with debconf, destroy the backup files:
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rm -f ${ROOT}/var/cache/debconf/*-old
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# show the size of directories in /usr/share/doc
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echo BEGIN docdirs
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(cd $ROOT && find usr/share/doc -maxdepth 1 -type d | xargs du -s | sort -nr)
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echo END docdirs
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# search for duplicate files, write the summary to stdout,
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if which fdupes >/dev/null 2>&1; then
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echo "first line: <total size for dupes> <different dupes> <all dupes>"
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echo "data lines: <size for dupes> <number of dupes> <file size> <filename> [<filename> ...]"
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echo BEGIN fdupes
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(cd $ROOT \
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&& fdupes --recurse --noempty --sameline --size --quiet usr \
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| awk '/bytes each/ {s=$1} /^usr/ { n+=1; n2+=NF-1; sum+=s*(NF-1); print s*(NF-1), NF-1, s, $0 } END {print sum, n, n2}' \
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| sort -nr
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)
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echo END fdupes
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fi
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# Dirty hack to mark langpack stuff as manually installed
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perl -i -nle 'print unless /^Package: language-(pack|support)/ .. /^$/;' \
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${ROOT}/var/lib/apt/extended_states
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# And run the cleanup function dead last, to umount /proc after nothing
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# else needs to be run in the chroot (umounting it earlier breaks rm):
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cleanup
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livefs_squash()
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{
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squashsort="http://people.ubuntu.com/~tfheen/livesort/${FSS}.list.${TARGETARCH}"
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if wget -O livecd.${FSS}.sort ${squashsort} > /dev/null 2>&1; then
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echo "Using the squashfs sort list from ${squashsort}."
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else
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echo "Unable to fetch squashfs sort list; using a blank list."
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: > livecd.${FSS}.sort
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fi
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mksquashfs ${ROOT} livecd.${FSS}.squashfs -sort livecd.${FSS}.sort
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chmod 644 livecd.${FSS}.squashfs
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}
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livefs_squash
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done
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