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livecd-rootfs/livecd.sh

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#!/bin/bash
set -eu
##########################################################################
#### (c) Copyright 2004-2007 Canonical Ltd. #####
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2, or (at your option) #
# any later version. #
# #
# This program is distributed in the hope that it will be useful, but #
# WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU #
# General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License with #
# your Ubuntu system, in /usr/share/common-licenses/GPL, or with the #
# livecd-rootfs source package as the file COPYING. If not, write to #
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, #
# Boston, MA 02110-1301 USA. #
##########################################################################
# Depends: debootstrap, rsync, python-minimal|python, procps, squashfs-tools, ltsp-server [i386], e2fsprogs
cleanup() {
for mnt in ${ROOT}dev/pts ${ROOT}dev/shm ${ROOT}.dev ${ROOT}dev \
${ROOT}proc/sys/fs/binfmt_misc ${ROOT}proc ${ROOT}sys \
${ROOT}lib/modules/*/volatile ${ROOT}var/{lock,run}; do
umount $mnt || true
done
[ -n "$DEV" ] && umount $DEV && losetup -d $DEV || true
grep ${ROOT} /proc/mounts && return 1 || return 0
}
kill_users() {
set +e
PIDLIST="$(ls -l /proc/*/root 2>/dev/null | grep -- " -> ${ROOT%/}" | sed -n 's/^.*proc.\([0-9]*\).*$/\1/p')"
while [ -n "${PIDLIST}" ]; do
echo killing $PIDLIST
ps -l $(for p in $PIDLIST; do echo ' '-p $p; done)
kill -9 $PIDLIST
sleep 2
PIDLIST="$(ls -l /proc/*/root 2>/dev/null | grep -- " -> ${ROOT%/}" | sed -n 's/^.*proc.\([0-9]*\).*$/\1/p')"
done
set -e
}
without_package() {
echo "$2" | tr ' ' '\n' | grep -v "^$1$" | tr '\n' ' '
}
subst_package() {
echo "$3" | tr ' ' '\n' | sed "s/^$1$/$2/" | tr '\n' ' '
}
livefs_squash()
{
squashsort="http://people.ubuntu.com/~tfheen/livesort/${FSS}.list.${TARGETARCH}"
#if wget -O livecd.${FSS}.sort ${squashsort} > /dev/null 2>&1; then
if false; then
echo "Using the squashfs sort list from ${squashsort}."
else
echo "Unable to fetch squashfs sort list; using a blank list."
: > livecd.${FSS}.sort
fi
# make sure there is no old squashfs idling around
rm -f livecd.${FSS}.squashfs
mksquashfs ${ROOT} livecd.${FSS}.squashfs -sort livecd.${FSS}.sort
chmod 644 livecd.${FSS}.squashfs
}
livefs_ext2()
{
# Add 10MiB extra free space for first boot + ext3 journal
size=$(($(du -ks ${ROOT} | cut -f1) + (10240)))
MOUNTPOINT=$(mktemp -d)
DEV=$(losetup -f)
echo "Building ext2 filesystem."
# remove any stale filesystem images
rm -f livecd.${FSS}.ext?
# create an empty ext2 image and loop mount it
dd if=/dev/zero of=livecd.${FSS}.ext2 bs=1024 count=0 seek=$size
mke2fs livecd.${FSS}.ext2
mount -o loop=${DEV} livecd.${FSS}.ext2 ${MOUNTPOINT}
# copy chroot content to image
cp -a ${ROOT} ${MOUNTPOINT}
# clean up
umount ${MOUNTPOINT}
rm -rf ${MOUNTPOINT}
losetup -d $DEV
chmod 644 livecd.${FSS}.ext2
}
if [ $(id -u) != 0 ];then
echo "must be run as root"
exit 2
fi
umask 022
export TTY=unknown
export TERM=vt100
export DEBIAN_FRONTEND=noninteractive
export LANG=C
export CASPER_GENERATE_UUID=1
SRCMIRROR=http://archive.ubuntu.com/ubuntu
PPAMIRROR=ppa.launchpad.net
ARCH=$(dpkg --print-architecture)
OPTMIRROR=
INITRD_COMPRESSOR=lzma
TMPFS=no
select_mirror () {
case $ARCH in
i386|amd64)
case $FS in
ubuntu-lpia|ubuntu-mid)
USERMIRROR=http://ports.ubuntu.com/ubuntu-ports
SECMIRROR=${USERMIRROR}
SECSRCMIRROR=${SRCMIRROR}
TARGETARCH=lpia
;;
*)
USERMIRROR=http://archive.ubuntu.com/ubuntu
SECMIRROR=http://security.ubuntu.com/ubuntu
SECSRCMIRROR=${SECMIRROR}
TARGETARCH=${ARCH}
;;
esac
;;
*)
USERMIRROR=http://ports.ubuntu.com/ubuntu-ports
SECMIRROR=${USERMIRROR}
SECSRCMIRROR=${SRCMIRROR}
TARGETARCH=${ARCH}
;;
esac
case $(hostname --fqdn) in
bld-*.mmjgroup.com) MIRROR=${USERMIRROR};;
*.mmjgroup.com) MIRROR=http://archive.mmjgroup.com/${USERMIRROR##*/};;
*.0c3.net) MIRROR=http://ftp.iinet.net.au/linux/ubuntu;;
*.ubuntu.com) MIRROR=http://ftpmaster.internal/ubuntu;;
*.warthogs.hbd.com) MIRROR=http://ftpmaster.internal/ubuntu;;
*.buildd) MIRROR=http://ftpmaster.internal/ubuntu;;
*) MIRROR=${USERMIRROR};;
esac
if [ "$OPTMIRROR" ]; then
MIRROR="$OPTMIRROR"
fi
}
STE=$(lsb_release -cs)
EXCLUDE=""
LIST=""
SUBARCH=""
PROPOSED=""
IMAGEFORMAT="squashfs"
# must be in the "team / PPA name" form; e.g. "moblin/ppa"; the default PPA
# name is "ppa", don't omit it
PPA=""
APT_SOURCE=""
FORCE_YES=""
while getopts :d:e:i:I:m:S:s:a:A:f:p name; do case $name in
d) STE=$OPTARG;;
e) EXCLUDE="$EXCLUDE $OPTARG";;
i) LIST="$LIST $OPTARG";;
I) UINUM="$OPTARG";;
m) OPTMIRROR="$OPTARG";;
S) USZ="$OPTARG";;
s) SUBARCH="$OPTARG";;
a) ARCH="$OPTARG";;
A) APT_SOURCE="$OPTARG";;
f) IMAGEFORMAT="$OPTARG";;
p) PROPOSED="yes";;
\?) echo bad usage >&2; exit 2;;
\:) echo missing argument >&2; exit 2;;
esac; done;
shift $((OPTIND-1))
if (( $# == 0 )) || [ "X$1" = "Xall" ]; then
set -- ubuntu kubuntu kubuntu-netbook edubuntu xubuntu mythbuntu gobuntu base
if [ "$ARCH" = "i386" ]; then
set -- ubuntu ubuntu-dvd kubuntu kubuntu-dvd kubuntu-netbook edubuntu edubuntu-dvd mythbuntu xubuntu gobuntu base
fi
fi
if [ "$IMAGEFORMAT" = "ext2" ] || [ "$IMAGEFORMAT" = "ext3" ]; then
LIVE_BOOT_SCRIPTS="jasper"
else
LIVE_BOOT_SCRIPTS="casper lupin-casper"
fi
for arg in "$@"; do
case "$arg" in
ubuntu|ubuntu-dvd|ubuntu-lpia|edubuntu|edubuntu-dvd|kubuntu|kubuntu-dvd|kubuntu-netbook|xubuntu|mythbuntu|gobuntu|ubuntu-mid|ubuntu-netbook|ubuntu-moblin-remix|base|tocd)
;;
*)
echo bad name >&2;
exit 2
;;
esac
done
ROOT=$(pwd)/chroot-livecd/ # trailing / is CRITICAL
for FS in "$@"; do
FSS="$FS${SUBARCH:+-$SUBARCH}"
IMG=livecd.${FSS}.fsimg
DEV=""
COMP="main restricted"
select_mirror
# Just in case there's some leftover junk here:
cleanup 2>/dev/null || true
umount ${ROOT} || true
rm -rf ${ROOT}
mkdir ${ROOT}
# maybe use a tmpfs
if test yes = "$TMPFS"; then
mount -t tmpfs -o size=8192M tmpfs ${ROOT} && echo using tmpfs
fi
mkdir -p ${ROOT}var/cache/debconf
cat << @@EOF > ${ROOT}var/cache/debconf/config.dat
Name: debconf/frontend
Template: debconf/frontend
Value: Noninteractive
Owners: debconf
Flags: seen
@@EOF
case "$FS" in
ubuntu|ubuntu-lpia|ubuntu-dvd)
LIST="$LIST minimal^ standard^ ubuntu-desktop^"
LIVELIST="ubuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
;;
kubuntu|kubuntu-dvd)
LIST="$LIST minimal^ standard^ kubuntu-desktop^"
LIVELIST="kubuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
;;
kubuntu-netbook)
LIST="$LIST minimal^ standard^ kubuntu-netbook^"
LIVELIST="language-support-en kubuntu-netbook-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
;;
edubuntu|edubuntu-dvd)
LIST="$LIST minimal^ standard^ edubuntu-desktop-gnome^"
LIVELIST="edubuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
COMP="main restricted universe"
;;
xubuntu)
LIST="$LIST minimal^ standard^ xterm xubuntu-desktop^"
LIVELIST="xubuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
COMP="main restricted universe multiverse"
;;
gobuntu)
LIST="$LIST minimal^ standard^ gobuntu-desktop^"
LIVELIST="gobuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
COMP="main"
;;
ubuntu-mid)
LIST="$LIST minimal^ mobile-mid^"
LIVELIST="mobile-live^ casper ubiquity"
COMP="main restricted universe multiverse"
;;
ubuntu-netbook)
LIST="$LIST minimal^ standard^ ubuntu-netbook^"
LIVELIST="netbook-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
;;
mythbuntu)
LIST="$LIST minimal^ standard^ mythbuntu-desktop^"
LIVELIST="mythbuntu-live^ laptop-detect $LIVE_BOOT_SCRIPTS"
COMP="main restricted universe multiverse"
;;
ubuntu-moblin-remix)
LIST="$LIST minimal^ ubuntu-moblin-remix"
LIVELIST="ubuntu-moblin-live"
COMP="main restricted universe"
PPA="moblin/ppa"
;;
base)
LIST="$LIST minimal^ standard^"
LIVELIST="$LIVE_BOOT_SCRIPTS"
;;
tocd)
LIST="$LIST minimal^ standard^"
tocdtmp=`mktemp -d` || exit 1
tocdgerminate='http://people.ubuntu.com/~cjwatson/germinate-output/tocd3.1-dapper/'
if wget -O "$tocdtmp"/desktop "$tocdgerminate"/desktop; then
tocddesktop=`awk '{print $1}' "$tocdtmp"/desktop | egrep -v '^-|^Package|^\|' | tr '\n' ' '`
echo "TheOpenCD desktop package list is: $tocddesktop"
else
echo "Unable to fetch tocd-desktop germinate output."
[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
exit 1
fi
if wget -O "$tocdtmp"/live "$tocdgerminate"/live; then
tocdlive=`awk '{print $1}' "$tocdtmp"/live | egrep -v '^-|^Package|^\|' | tr '\n' ' '`
echo "TheOpenCD live package list is: $tocdlive"
else
echo "Unable to fetch tocd-live germinate output."
[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
exit 1
fi
[ -d "$tocdtmp" ] && rm -rf "$tocdtmp"
LIST="$LIST $tocddesktop"
LIVELIST="$tocdlive casper"
esac
case "$FS" in
*-dvd)
LIVELIST="$LIVELIST ${FS}-live^"
UNIVERSE=1
MULTIVERSE=1
;;
*)
UNIVERSE=
MULTIVERSE=
;;
esac
dpkg -l livecd-rootfs || true # get our version # in the log.
debootstrap --components=$(echo $COMP | sed 's/ /,/g') --arch $TARGETARCH $STE $ROOT $MIRROR
# Recent dpkg has started complaining pretty loudly if dev/pts isn't
# mounted, so let's get it mounted immediately after debootstrap:
mount -t devpts devpts-${STE}-${FSS}-livefs ${ROOT}dev/pts
# Just make a few things go away, which lets us skip a few other things.
DIVERTS="usr/sbin/mkinitrd usr/sbin/invoke-rc.d"
for file in $DIVERTS; do
mkdir -p ${ROOT}${file%/*}
chroot $ROOT dpkg-divert --add --local --divert /${file}.livecd --rename /${file}
cp ${ROOT}/bin/true ${ROOT}$file
done
# /bin/true won't cut it for mkinitrd, need to have -o support.
cat << @@EOF > ${ROOT}/usr/sbin/mkinitrd
#!/usr/bin/python
import sys
for i in range(len(sys.argv)):
if sys.argv[i]=='-o':
open(sys.argv[i+1],"w")
@@EOF
chmod 755 ${ROOT}usr/sbin/mkinitrd
trap "cleanup" 0 1 2 3 15
case $TARGETARCH in
alpha|amd64|i386|ia64|lpia|m68k|mips|mipsel)
link_in_boot=no
;;
*)
link_in_boot=yes
;;
esac
# Make a good /etc/kernel-img.conf for the kernel packages
cat << @@EOF >> ${ROOT}etc/kernel-img.conf
do_symlinks = yes
relative_links = yes
do_bootloader = no
do_bootfloppy = no
do_initrd = yes
link_in_boot = $link_in_boot
@@EOF
mkdir -p ${ROOT}proc
mount -tproc none ${ROOT}proc
# this indicates whether or not to keep /boot/vmlinuz; the default is to
# strip it from the livefs as ubiquity >= 1.9.4 copies the kernel from the
# CD root (/casper/vmlinuz) to the target if it doesn't find one on the
# livefs, allowing us to save space; however some subarches use the uImage
# format in casper/ so we would end up with no vmlinuz file in /boot at the
# end. Not stripping it in the first place from /boot saves us from that.
STRIP_VMLINUZ=yes
case $TARGETARCH+$SUBARCH in
powerpc+ps3)
mkdir -p ${ROOT}spu;;
esac
case $TARGETARCH in
amd64) LIST="$LIST linux-generic";;
i386) LIST="$LIST linux-generic";;
# and the bastard stepchildren
lpia) LIST="$LIST linux-lpia";;
ia64) LIST="$LIST linux-ia64";;
hppa) LIST="$LIST linux-hppa32 linux-hppa64";;
powerpc) LIST="$LIST linux-powerpc linux-powerpc64-smp";;
sparc*) LIST="$LIST linux-sparc64";;
armel)
case "$SUBARCH" in
imx51)
LIST="$LIST linux-imx51"
;;
dove)
LIST="$LIST linux-dove"
STRIP_VMLINUZ=no
;;
omap)
LIST="$LIST linux-omap"
STRIP_VMLINUZ=no
;;
omap4)
LIST="$LIST linux-omap4"
STRIP_VMLINUZ=no
;;
esac;;
*) echo "Unknown architecture: no kernel."; exit 1;;
esac
for x in $EXCLUDE; do
LIST="$(without_package "$x" "$LIST")"
done
if [ "$STE" = "hardy" ]; then
# <hack, hack, hack> use the version of ssl-cert from the release
# pocket, because the version in -updates pulls in the large
# openssl-blacklist package which we should never need on the
# live CD
cat << @@EOF > ${ROOT}etc/apt/preferences
Package: ssl-cert
Pin: version 1.0.14-0ubuntu2
Pin-Priority: 991
@@EOF
fi
# Create a good sources.list, and finish the install
echo deb $MIRROR $STE ${COMP} > ${ROOT}etc/apt/sources.list
echo deb $MIRROR ${STE}-security ${COMP} >> ${ROOT}etc/apt/sources.list
echo deb $MIRROR ${STE}-updates ${COMP} >> ${ROOT}etc/apt/sources.list
if [ "$PROPOSED" = "yes" ]; then
echo deb $MIRROR ${STE}-proposed ${COMP} >> ${ROOT}etc/apt/sources.list
fi
if [ -n "$PPA" ]; then
echo deb http://$PPAMIRROR/$PPA/ubuntu ${STE} main >> ${ROOT}etc/apt/sources.list
# handle PPAs named "ppa" specially; their Origin field in the Release
# file does not end with "-ppa" for backwards compatibility
origin="${PPA%/ppa}"
origin="${origin/\//-}"
touch ${ROOT}etc/apt/preferences
cat << @@EOF >> ${ROOT}etc/apt/preferences
Package: *
Pin: release o=LP-PPA-$origin
Pin-Priority: 550
@@EOF
fi
if [ -n "$APT_SOURCE" ]; then
echo deb $APT_SOURCE $STE $COMP >> ${ROOT}etc/apt/sources.list
# allow unsigned sources, unfortunately
mkdir -p ${ROOT}etc/apt/apt.conf.d
echo 'APT::Get::AllowUnauthenticated "yes";' > ${ROOT}etc/apt/apt.conf.d/extra-source-allows-unauthenticated-sources
# and add the preferences rules :(
APT_PIN=$(echo $APT_SOURCE | sed -e's,http://,,; s,/.*,,')
cat >> ${ROOT}etc/apt/preferences << @@EOF
Package: *
Pin: release a=$STE
Pin-Priority: 500
Package: *
Pin: origin $APT_PIN
Pin-Priority: 900
@@EOF
FORCE_YES=--force-yes
fi
if [ "$FS" = "ubuntu-moblin-remix" ]; then
chroot $ROOT apt-get update
chroot $ROOT apt-get -y --force-yes install ubuntu-moblin-ppa-keyring
# promote Release.gpg from APT's lists/partial/ to lists/
chroot $ROOT apt-get update
# workaround LP #442082
rm -f ${ROOT}var/cache/apt/{,src}pkgcache.bin
fi
# In addition to the ones we got from apt, trust whatever the local system
# believes in, but put things back afterwards.
cp ${ROOT}etc/apt/trusted.gpg ${ROOT}etc/apt/trusted.gpg.$$
cat /etc/apt/trusted.gpg >> ${ROOT}etc/apt/trusted.gpg
chroot $ROOT apt-get update
chroot $ROOT apt-get -y $FORCE_YES --purge dist-upgrade </dev/null
chroot $ROOT apt-get -y --purge install $LIST </dev/null
# launchpad likes to put dependencies of seeded packages in tasks along with the
# actual seeded packages. In general, this isn't an issue. With updated kernels
# and point-releases, though, we end up with extra header packages:
chroot ${ROOT} dpkg -l linux-headers-2\* | grep ^i | awk '{print $2}' \
> livecd.${FSS}.manifest-headers
chroot ${ROOT} dpkg -l linux-headers-\* | grep ^i | awk '{print $2}' \
> livecd.${FSS}.manifest-headers-full
HEADERPACKAGES=`cat livecd.${FSS}.manifest-headers-full`
HEADERMETA=""
for i in `comm -3 livecd.${FSS}.manifest-headers livecd.${FSS}.manifest-headers-full`; do
HEADERMETA="$HEADERMETA $i"
done
rm -f livecd.${FSS}.manifest-headers livecd.${FSS}.manifest-headers-full
chroot ${ROOT} apt-get -y --purge remove $HEADERPACKAGES </dev/null || true
chroot ${ROOT} apt-get -y --purge install $HEADERMETA </dev/null || true
# End horrible linux-header launchpad workaround. Hopefully this is temporary.
chroot ${ROOT} dpkg-query -W --showformat='${Package} ${Version}\n' \
> livecd.${FSS}.manifest-desktop
chroot $ROOT apt-get -y --purge install $LIVELIST </dev/null
case $FS in
edubuntu)
chroot $ROOT apt-cache dumpavail | \
grep-dctrl -nsPackage -FTask edubuntu-ship-addon -a \
-FTask edubuntu-live | \
sort -u | \
xargs chroot $ROOT \
dpkg-query -W --showformat='${Package} ${Version}\n' \
>> livecd.${FSS}.manifest-desktop
;;
esac
chroot ${ROOT} dpkg-query -W --showformat='${Package} ${Version}\n' \
> livecd.${FSS}.manifest
kill_users
chroot $ROOT /etc/cron.daily/mlocate || true
chroot $ROOT /etc/cron.daily/man-db || true
# remove our diversions
for file in $DIVERTS; do
ls -ld ${ROOT}${file} ${ROOT}${file}.livecd || true
rm -f ${ROOT}${file}
chroot $ROOT dpkg-divert --remove --rename /${file}
done
# remove the apt preferences hack if it was added
rm -f ${ROOT}etc/apt/preferences
# And make this look more pristine
cat << @@EOF > ${ROOT}etc/apt/sources.list
deb ${USERMIRROR} $STE ${COMP}
deb-src ${SRCMIRROR} $STE ${COMP}
deb ${SECMIRROR} ${STE}-security ${COMP}
deb-src ${SECSRCMIRROR} ${STE}-security ${COMP}
## Major bug fix updates produced after the final release of the
## distribution.
deb ${USERMIRROR} ${STE}-updates ${COMP}
deb-src ${SRCMIRROR} ${STE}-updates ${COMP}
@@EOF
if [ "$UNIVERSE" ]; then
COMMENT=
else
cat << @@EOF >> ${ROOT}etc/apt/sources.list
## Uncomment the following two lines to add software from the 'universe'
## repository.
@@EOF
COMMENT='# '
fi
cat << @@EOF >> ${ROOT}etc/apt/sources.list
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
${COMMENT}deb ${USERMIRROR} $STE universe
${COMMENT}deb-src ${SRCMIRROR} $STE universe
${COMMENT}deb ${USERMIRROR} ${STE}-updates universe
${COMMENT}deb-src ${SRCMIRROR} ${STE}-updates universe
${COMMENT}deb ${SECMIRROR} ${STE}-security universe
${COMMENT}deb-src ${SECSRCMIRROR} ${STE}-security universe
@@EOF
if [ "$MULTIVERSE" ]; then
COMMENT=
else
COMMENT='# '
fi
cat << @@EOF >> ${ROOT}etc/apt/sources.list
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
${COMMENT}deb ${USERMIRROR} $STE multiverse
${COMMENT}deb-src ${SRCMIRROR} $STE multiverse
${COMMENT}deb ${USERMIRROR} ${STE}-updates multiverse
${COMMENT}deb-src ${SRCMIRROR} ${STE}-updates multiverse
${COMMENT}deb ${SECMIRROR} ${STE}-security multiverse
${COMMENT}deb-src ${SECSRCMIRROR} ${STE}-security multiverse
@@EOF
if [ -n "$PPA" ]; then
cat << @@EOF >> ${ROOT}etc/apt/sources.list
## The following unsupported and untrusted Personal Archives (PPAs) were used
## to create the base image of this system
deb http://$PPAMIRROR/$PPA/ubuntu ${STE} main
deb-src http://$PPAMIRROR/$PPA/ubuntu ${STE} main
@@EOF
# handle PPAs named "ppa" specially; their Origin field in the Release
# file does not end with "-ppa" for backwards compatibility
origin="${PPA%/ppa}"
origin="${origin/\//-}"
touch ${ROOT}etc/apt/preferences
cat << @@EOF >> ${ROOT}etc/apt/preferences
Explanation: This prefers the Personal Archive $PPA over the other sources
Package: *
Pin: release o=LP-PPA-$origin
Pin-Priority: 550
@@EOF
fi
mv ${ROOT}etc/apt/trusted.gpg.$$ ${ROOT}etc/apt/trusted.gpg
# get rid of the .debs - we don't need them.
chroot ${ROOT} apt-get clean
rm -f ${ROOT}var/lib/apt/lists/*_*
rm -f ${ROOT}var/spool/postfix/maildrop/*
# Removing update-notifier notes is now considered harmful:
#rm -f ${ROOT}var/lib/update-notifier/user.d/*
# The D-Bus machine identifier needs to be unique, and is generated at
# boot time if it's missing.
rm -f ${ROOT}var/lib/dbus/machine-id
chroot $ROOT apt-get update || true # give them fresh lists, but don't fail
rm -f ${ROOT}etc/resolv.conf ${ROOT}etc/mailname
if [ -f ${ROOT}/etc/postfix/main.cf ]; then
sed -i '/^myhostname/d; /^mydestination/d; /^myorigin/d' ${ROOT}etc/postfix/main.cf
echo set postfix/destinations | chroot ${ROOT} /usr/bin/debconf-communicate postfix
echo set postfix/mailname | chroot ${ROOT} /usr/bin/debconf-communicate postfix
fi
KVERS=`chroot ${ROOT} dpkg -l linux-image-2\*|grep ^i|awk '{print $2}'|sed 's/linux-image-//'`
for KVER in ${KVERS}; do
SUBARCH="${KVER#*-*-}"
chroot ${ROOT} update-initramfs -k "${KVER}" -u
# we mv the initramfs, so it's not wasting space on the livefs
mv ${ROOT}/boot/initrd.img-"${KVER}" livecd.${FSS}.initrd-"${SUBARCH}"
rm -f ${ROOT}/boot/initrd.img-"${KVER}".bak
# whether to strip vmlinuz or not to save space thanks to ubiquity
action="cp"
if [ "$STRIP_VMLINUZ" = "yes" ]; then
action="mv"
fi
$action ${ROOT}/boot/vmlinu?-"${KVER}" livecd.${FSS}.kernel-"${SUBARCH}"
if [ "$INITRD_COMPRESSOR" != gz ]; then
zcat "livecd.${FSS}.initrd-${SUBARCH}" | "$INITRD_COMPRESSOR" -9c \
> "livecd.${FSS}.initrd-${SUBARCH}.new"
mv "livecd.${FSS}.initrd-${SUBARCH}.new" \
"livecd.${FSS}.initrd-${SUBARCH}"
fi
done
NUMKVERS="$(set -- $KVERS; echo $#)"
if [ "$NUMKVERS" = 1 ]; then
# only one kernel
SUBARCH="${KVERS#*-*-}"
ln -sf livecd.${FSS}.initrd-"${SUBARCH}" livecd.${FSS}.initrd
ln -sf livecd.${FSS}.kernel-"${SUBARCH}" livecd.${FSS}.kernel
fi
case $TARGETARCH+$SUBARCH in
powerpc+ps3)
chroot ${ROOT} addgroup --system spu;;
esac
# No point keeping Gnome icon cache around for Kubuntu
if [ "$FS" = "kubuntu" ] || [ "$FS" = "kubuntu-netbook" ]; then
rm -f ${ROOT}/usr/share/icons/*/icon-theme.cache
fi
# all done with the chroot; reset the debconf frontend, so Colin doesn't cry
echo RESET debconf/frontend | chroot $ROOT debconf-communicate
echo FSET debconf/frontend seen true | chroot $ROOT debconf-communicate
# And now that we're done messing with debconf, destroy the backup files:
rm -f ${ROOT}/var/cache/debconf/*-old
# show the size of directories in /usr/share/doc
echo BEGIN docdirs
(cd $ROOT && find usr/share/doc -maxdepth 1 -type d | xargs du -s | sort -nr)
echo END docdirs
# search for duplicate files, write the summary to stdout,
if which fdupes >/dev/null 2>&1; then
echo "first line: <total size for dupes> <different dupes> <all dupes>"
echo "data lines: <size for dupes> <number of dupes> <file size> <filename> [<filename> ...]"
echo BEGIN fdupes
(cd $ROOT \
&& fdupes --recurse --noempty --sameline --size --quiet usr \
| awk '/bytes each/ {s=$1} /^usr/ { n+=1; n2+=NF-1; sum+=s*(NF-1); print s*(NF-1), NF-1, s, $0 } END {print sum, n, n2}' \
| sort -nr
)
echo END fdupes
fi
# Dirty hack to mark langpack stuff as manually installed
perl -i -nle 'print unless /^Package: language-(pack|support)/ .. /^$/;' \
${ROOT}/var/lib/apt/extended_states
# And run the cleanup function dead last, to umount /proc after nothing
# else needs to be run in the chroot (umounting it earlier breaks rm):
cleanup
# Squashfs does not report unpacked disk space usage, which is explained at
# <http://lkml.org/lkml/2006/6/16/163>. However, we would like to cache this
# number for partman's sufficient free space check and ubiquity's
# installation progress calculation.
printf $(du -sx --block-size=1 ${ROOT} | cut -f1) > livecd.${FSS}.size || true
# Build our images
if [ "$IMAGEFORMAT" = "ext2" ] || [ "$IMAGEFORMAT" = "ext3" ]; then
livefs_ext2
else
livefs_squash
fi
# Upgrade ext2->ext3 if that's what is requested
if [ "$IMAGEFORMAT" = "ext3" ]; then
tune2fs -j livecd.${FSS}.ext2
mv livecd.${FSS}.ext2 livecd.${FSS}.ext3
# temporary workaround for LP: #583317 with ext3 images
e2fsck -fy livecd.${FSS}.ext3 || true
fi
# LTSP chroot building (only in 32bit and for Edubuntu (DVD))
case $FS in
edubuntu-dvd)
if [ "$TARGETARCH" = "i386" ]; then
ltsp-build-client --base $(pwd) --mirror $MIRROR --arch $TARGETARCH --dist $STE --chroot ltsp-live --purge-chroot --skipimage
mkdir -p $(pwd)/images
mksquashfs $(pwd)/ltsp-live $(pwd)/images/ltsp-live.img -noF -noD -noI -no-exports -e cdrom
rm -Rf $(pwd)/ltsp-live
if [ -f $(pwd)/images/ltsp-live.img ]; then
mv $(pwd)/images/ltsp-live.img livecd.$FS-ltsp.squashfs
chmod 0644 livecd.$FS-ltsp.squashfs
rmdir --ignore-fail-on-non-empty $(pwd)/images/
else
echo "LTSP: Unable to build the chroot, see above for details."
fi
fi
;;
esac
done
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