~mythbuntu/mythbuntu/mythbuntu

#!/bin/bash

#Mythbuntu live cd generating script

#####################

#

# License:

#

# Copyright © 2007  Mario Limonciello

#

# This script is loosely based from Linux Mint's live CD building script remastersys.

#

# * 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 of the License, 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

# * along with this program; if not, write to the Free Software

# * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

#

# On Ubuntu systems, a copy of the GPLv2 is available in /usr/share/common-licenses/GPL-2

#

#####################

#

# Requirements:

# * Root permissions

# * debootstrap taken from ubuntu/main of the target Ubuntu release

# * Approx 2GB during the build process

#  - 1GB in the build location

#  - 1GB on the partition containing /var/cache/apt/archives

#    This script will link externally to /var/cache/apt/archives for

#    quicker future builds.

#

#####################

#

# Release Configuration & Environment Variables:

#

#Working Directory.  You will need 2-3 GB space here.

if [ -z "$BASE_INSTALL" ] ; then

    BASE_INSTALL='/tmp/mythbuntu_iso'

fi

#Base mirror for repositories

if [ -z "$BASE_MIRROR" ] ; then

#    BASE_MIRROR='http://mirror.imbrandon.com/ubuntu/'

    BASE_MIRROR='http://mirror.cs.umn.edu/ubuntu/'

#    BASE_MIRROR='http://ftp.ussg.iu.edu/linux/ubuntu'

#    BASE_MIRROR='http://archive.ubuntu.com/ubuntu'

fi

#Proxy if needed

if [ -z "$http_proxy" ] ; then

    http_proxy=""

fi

#Number of APT Retries

if [ -z "$APT_RETRIES" ] ; then

    APT_RETRIES=25

fi

#Ubuntu Release to base from

if [ -z "$BASE_RELEASE" ] ; then

    BASE_RELEASE='gutsy'

fi

#Ubuntu Version to base from

if [ -z "$VERSION" ] ; then

    VERSION='7.10'

fi

#Mythbuntu Release

if [ -z "$MYTHBUNTU_RELEASE" ] ; then

    MYTHBUNTU_RELEASE='alpha2'

fi

#Architecture we are building on

if [ -z "$ARCHITECTURE" ] ; then

    ARCHITECTURE='i386'

fi

#Place to put the final ISO when done.  You will need 300-700 MB here.

if [ -z "$NEW_DIRECTORY" ] ; then

    NEW_DIRECTORY="/var/cache/mythbuntu_isos/result"

fi

#For minor changes not requiring an entire rebuild

if [ -z "$DONT_CLEAN_SYSTEM" ]; then

    DONT_CLEAN_SYSTEM="no"

fi

#Install all packages and configuration

if [ -z "$BUILD_SYSTEM" ]; then

    BUILD_SYSTEM="yes"

fi

#Build the target ISO image

if [ -z "$BUILD_ISO" ]; then

    BUILD_ISO="yes"

fi

#APT Key that we sign our packages with

if [ -z "$APT_KEY" ]; then

    APT_KEY="EEED06D0"

fi

#####################

#

# Experimental Environment Variables:

# WARNING: These will produce unpredictable results

#For testing the port to non root user

#FAKECHROOT='no'

#####################

#

# Calculated env variables (don't change)

#

#Setup our date that is used throughout the rest of the build

DATE=`date '+%y%m%d'`

#Find the user building this

ID=`id -u`

#ISO & MD5Sum file names

NEW_ISO="mythbuntu-$VERSION~$DATE-$ARCHITECTURE.iso"

NEW_MD5="$NEW_ISO.md5sum"

#####################

#

# Test enviornment, cleanup old builds, and pre-chroot steps

#

#Step 0 - Check users, Clean up old stuf

if [ -z $FAKECHROOT ] ; then

    if [ $ID != '0' ] ; then

        echo "Not building with fakechroot, need to build as root"

        exit 1

    else

        echo "Initializing normal Mythbuntu build initiated by $ID at `date`"

    fi

else

    if [ $ID != '0' ] ; then

        echo "Initializing fakechroot'ed Mythbuntu build initiated by $ID at `date`"

    else

        echo "Don't build in fakechroot as root."

        exit 1

    fi

fi

if [ $BASE_INSTALL = '/' ] ; then

    echo "Aborting build.  BASE_INSTALL was set to be / which would obliterate this filesystem."

    exit 2

fi

if [ -d work ] ; then

    #when building on pegasus, we build from a work directory

    cd work

fi

mkdir -p $BASE_INSTALL

umount $BASE_INSTALL/proc 2>&1

umount $BASE_INSTALL/sys 2>&1

umount $BASE_INSTALL/dev/pts 2>&1

umount $BASE_INSTALL/var/cache/apt/archives 2>&1

find   $BASE_INSTALL/lib/modules/ -name volatile | xargs umount 2>&1

rm -rf $BASE_INSTALL/home/remastersys/ISOTMP/casper/filesystem.squashfs

rm -rf $BASE_INSTALL/home/remastersys/mythbuntu.iso

if [ "$DONT_CLEAN_SYSTEM" != "yes" ] ; then

    echo "Starting cleanup for Mythbuntu build, `date`"        

    rm -rf $BASE_INSTALL/*

else

    echo "Skipping clean because DONT_CLEAN_SYSTEM variable was set to yes."

    rm $BASE_INSTALL/home/remastersys/ISOTMP/ubuntu #symlink is recreated (Prevent the error)

fi

#Step 1 - debootstrap new base system

if [ "$DONT_CLEAN_SYSTEM" != "yes" ] ;then 

    echo "Starting actual Mythbuntu build, `date`"

    if [ -z $FAKECHROOT ] ; then 

        debootstrap --arch $ARCHITECTURE $BASE_RELEASE $BASE_INSTALL $BASE_MIRROR

    else

        fakeroot fakechroot debootstrap  --variant=fakechroot --arch $ARCHITECTURE $BASE_RELEASE $BASE_INSTALL $BASE_MIRROR

    fi

else

    echo "Skipping debootstrap, but starting mythbuntu build, `date`"

fi

#Step 2, Prep remastersys directory

mkdir -p $BASE_INSTALL/home/remastersys

mkdir -p $BASE_INSTALL/home/remastersys/dummysys

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/proc

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/tmp

chmod ug+rwx,o+rwt $BASE_INSTALL/home/remastersys/dummysys/tmp

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/sys

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/mnt

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/media

mkdir -p $BASE_INSTALL/home/remastersys/dummysys/var

mkdir -p $BASE_INSTALL/var/cache/apt/archives/partial

mkdir -p $BASE_INSTALL/tmp

mkdir -p $BASE_INSTALL/etc/apt

cp -L -R ISOTMP $BASE_INSTALL/home/remastersys

mkdir -p $BASE_INSTALL/home/remastersys/ISOTMP/casper

ln -s . $BASE_INSTALL/home/remastersys/ISOTMP/ubuntu

#Step 3 - copy over networking config

if [ -f /etc/resolv.conf ]; then

    cp /etc/resolv.conf $BASE_INSTALL/etc/.

fi

if [ -f /etc/apt/apt.conf ]; then

    cp /etc/apt/apt.conf  $BASE_INSTALL/etc/apt/.

fi

#Step 4, Copy in our apt key

cp $APT_KEY.gpg $BASE_INSTALL/tmp

#Step 5, Copy in our background files

cp background_setup.xpm $BASE_INSTALL/tmp

cp background_install.xpm $BASE_INSTALL/tmp

#Step 5a, make symlinks to directories we will need to access in fakechroot mode (Experimental)

if [ ! -z $FAKECHROOT ] ; then

    rm $BASE_INSTALL/proc -r

    rm $BASE_INSTALL/sys -r

    rm $BASE_INSTALL/dev -r

    ln -s /proc $BASE_INSTALL/proc

    ln -s /dev  $BASE_INSTALL/dev

    ln -s /sys  $BASE_INSTALL/sys

fi

#####################################

#Step 6, generate our chroot system script

cat <<EOCHROOT >$BASE_INSTALL/tmp/mythbuntu-system-script

#!/bin/bash

#Mythbuntu chroot system script

# Copyright © 2007  Mario Limonciello

export DEBIAN_FRONTEND=noninteractive

#Step A: Don't start any init scripts in this env

#This will keep any build machines clean of rogue processes

mv /sbin/start-stop-daemon /sbin/start-stop-daemon.real

cat <<EOF > /sbin/start-stop-daemon

#!/bin/sh

echo 1>&2

echo 'Warning: Fake start-stop-daemon called, doing nothing.' 1>&2

exit 0

EOF

cat <<EOF > /usr/sbin/policy-rc.d

#!/bin/sh

exit 101

EOF

chmod 755 /usr/sbin/policy-rc.d

chmod 755 /sbin/start-stop-daemon

#Step B: Install the minimal ubuntu system in fakechroot mode, mount imaginary systems in normal mode

if [ ! -z $FAKECHROOT ] ; then

    #Note, this needs to be forced because we don't yet have any apt keys

    apt-get install ubuntu-minimal -y --force-yes -o Acquire::Retries=$APT_RETRIES

    echo "Running fakechroot"

else

    mount -t proc   none  /proc

    mount -t devpts none  /dev/pts

    mount -t sysfs  sysfs /sys

fi

#Step C: Generate sources.list

cat <<EOF >/etc/apt/sources.list

deb $BASE_MIRROR $BASE_RELEASE main restricted universe multiverse

deb $BASE_MIRROR $BASE_RELEASE-updates main restricted universe multiverse

deb $BASE_MIRROR $BASE_RELEASE-security main restricted universe multiverse

deb $BASE_MIRROR $BASE_RELEASE-backports main restricted universe multiverse

deb http://www.mythbuntu.org/files/packages $BASE_RELEASE mythbuntu

deb-src $BASE_MIRROR $BASE_RELEASE-updates main restricted universe multiverse

deb-src $BASE_MIRROR $BASE_RELEASE universe multiverse main restricted

deb-src $BASE_MIRROR $BASE_RELEASE-backports main restricted universe multiverse

deb-src $BASE_MIRROR $BASE_RELEASE-security main restricted universe multiverse

deb-src http://www.mythbuntu.org/files/packages $BASE_RELEASE mythbuntu

EOF

#Step D: Set default locale and timezone

localedef -i en_US -c -f UTF-8 en_US.UTF-8

echo "America/Chicago" > /etc/timezone

cp /usr/share/zoneinfo/America/Chicago /etc/localtime

#Step E: Set up base configuration files for the rest of installation

cat <<EOF >/etc/network/interfaces

auto lo

iface lo inet loopback 

EOF

cat <<EOF >/etc/kernel-img.conf

do_symlinks = yes

do_initrd = yes

EOF

cat <<EOF >/etc/casper.conf

# This file should go in /etc/casper.conf

# Supported variables are:

# USERNAME, USERFULLNAME, HOST, BUILD_SYSTEM

export USERNAME="ubuntu"

export USERFULLNAME="Live session user"

export HOST="ubuntu"

export BUILD_SYSTEM="Ubuntu"

EOF

#Step F: Update the bootstrapped install

apt-key add /tmp/$APT_KEY.gpg

apt-get update

apt-get upgrade -y

#Step G: install the standard ubuntu utils

apt-get install -y -o Acquire::Retries=$APT_RETRIES ubuntu-standard

#Step H: Install a kernel & Restricted modules

apt-get install -y -o Acquire::Retries=$APT_RETRIES linux-image-generic linux-restricted-modules-generic restricted-manager

#Step I: install X, openbox, gdm, gnome-screensaver, idesk, feh, theme, firefox, libgnome2-perl, gnome-volume-manager

apt-get install -y -o Acquire::Retries=$APT_RETRIES openbox gdm xserver-xorg xterm xfonts-100dpi xfonts-75dpi xfonts-base gnome-screensaver gsfonts-x11 idesk feh firefox libgnome2-perl update-notifier update-manager-core gnome-volume-manager apport acpi-support acpi openssh-server vnc4-common

#Step J: install media players and mythtv frontend and all plugins

apt-get install -y -o Acquire::Retries=$APT_RETRIES vlc mythtv-frontend mythvideo mythdvd mythnews mythflix mythweather mythgame mythmusic mythgallery mythtv-themes mythphone mytharchive mythcontrols mythbrowser mplayer xine-ui

#Step K: install modified artwork that we assembled

apt-get install -y -o Acquire::Retries=$APT_RETRIES mythbuntu-artwork-usplash gtk2-engines-mythbuntu mythbuntu-gdm-theme

#Step L: Generate Skeleton Files & Configuration Files

mkdir -p /etc/xdg/mythtv-ubuntu/gdm/

cat > /etc/xdg/mythtv-ubuntu/gdm/mythbuntu-gdm-noautologin.conf <<EOF

[daemon]

AutomaticLoginEnable=true

AutomaticLogin=mythtv

TimedLoginEnable=true

TimedLogin=mythtv

TimedLoginDelay=5

Greeter=/usr/lib/gdm/gdmgreeter

User=gdm

Group=gdm

LogDir=/var/log/gdm

PidFile=/var/run/gdm.pid

PostLoginScriptDir=/etc/gdm/PostLogin/

PreSessionScriptDir=/etc/gdm/PreSession/

PostSessionScriptDir=/etc/gdm/PostSession/

DisplayInitDir=/etc/gdm/Init

XKeepsCrashing=/etc/gdm/XKeepsCrashing

RebootCommand=/sbin/shutdown -r now "Rebooted from gdm menu."

HaltCommand=/sbin/shutdown -h now "Halted from gdm menu."

SuspendCommand=/usr/sbin/pmi action sleep

HibernateCommand=/usr/sbin/pmi action hibernate

ServAuthDir=/var/lib/gdm

BaseXsession=/etc/gdm/Xsession

SessionDesktopDir=/etc/X11/sessions/:/etc/dm/Sessions/:/usr/share/gdm/BuiltInSessions/:/usr/share/xsessions/

DefaultSession=default.desktop

UserAuthDir=

UserAuthFBDir=/tmp

UserAuthFile=.Xauthority

StandardXServer=/usr/X11R6/bin/X

Xnest=/usr/bin/Xnest -br -br -audit 0 -name Xnest

FirstVT=7

VTAllocation=true

SoundProgram=/usr/lib/gdmplay

GdmXserverTimeout=10

[security]

AllowRoot=false

AllowRemoteRoot=false

AllowRemoteAutoLogin=false

RelaxPermissions=0

CheckDirOwner=true

DisallowTCP=true

PamStack=gdm

[xdmcp]

Enable=false

[gui]

GtkTheme=Mythbuntu

AllowGtkThemeChange=false

[greeter]

Browser=true

MinimalUID=1000

Exclude=bin,daemon,adm,lp,sync,shutdown,halt,mail,news,uucp,operator,nobody,gdm,postgres,pvm,rpm

IncludeAll=true

LocaleFile=/etc/gdm/locale.conf

ConfigAvailable=false

DefaultWelcome=true

DefaultRemoteWelcome=true

BackgroundColor=#FFFFFF

GraphicalThemedColor=#FFFFFF

UseCirclesInEntry=true

GraphicalTheme=Mythbuntu

GraphicalThemeDir=/usr/share/gdm/themes/

GraphicalThemeRand=false

SoundOnLogin=true

SoundOnLoginFile=/usr/share/sounds/question.wav

[chooser]

HostImageDir=/usr/share/hosts/

Hosts=

Broadcast=true

Multicast=false

[debug]

Enable=false

Gestures=false

[servers]

0=Standard

[server-Standard]

name=Standard server

command=/usr/X11R6/bin/X -br -audit 0 

flexible=true

[server-Terminal]

name=Terminal server

command=/usr/X11R6/bin/X -br -audit 0 -terminate

flexible=false

handled=false

[server-Chooser]

name=Chooser server

command=/usr/X11R6/bin/X -br -audit 0

flexible=false

chooser=true

EOF

cat > /etc/skel/.ideskrc <<EOF

table Config

  FontName: arial

  FontSize: 14

  FontColor: #37CFA6

  ToolTip.FontSize: 11

  ToolTip.FontName: arial

  ToolTip.ForeColor: #0000FF

  ToolTip.BackColor: #FFFFFF

  ToolTip.CaptionOnHover: true

  ToolTip.CaptionPlacement: Right

  Locked: false

  Transparency: 92

  Shadow: true

  ShadowColor: #000000

  ShadowX: 1

  ShadowY: 1 

  Bold: true

  ClickDelay: 300

  IconSnap: true

  SnapWidth: 10

  SnapHeight: 10

  SnapOrigin: BottomRight

  SnapShadow: false

  SnapShadowTrans: 200

  CaptionOnHover: false

  CaptionPlacement: bottom

  FillStyle: fillinvert

  Background.Delay: 0

  Background.Source: None

  Background.File: None 

  Background.Mode: Center 

  Background.Color: #C2CCFF

end

table Actions

  Lock: control right doubleClk

  Reload: middle doubleClk

  Drag: left hold

  EndDrag: left singleClk

  Execute[0]: left doubleClk

  Execute[1]: right doubleClk

end

EOF

mkdir /etc/skel/.idesktop

cat > /etc/skel/.dmrc <<EOF

[Desktop]

Session=mythtv_setup

EOF

cat > /etc/skel/.idesktop/mythtv-setup.lnk <<EOF

table Icon

  Caption: MythTV Setup

  CaptionTip: Runs mythtv-setup

  Command: mythtv-setup

  Icon: /usr/share/mythtv/themes/blue/setup.png

  FontColor: #FFFFFA

  Width: 90

  Height: 60

  X: 59

  Y: 3

end

EOF

cat > /etc/skel/.idesktop/mythtv-backend-stop.lnk <<EOF

table Icon

  Caption: Stop MythTV Backend

  CaptionTip: Stops backend

  Command: xterm -e "gksudo /etc/init.d/mythtv-backend stop --description \"Stop Mythtv-Backend\" && sleep 3"

  Icon: /usr/share/mythtv/themes/blue/stop_button_pushed.png

  FontColor: #FFFFFA

  Width: 60

  Height: 60

  X: 299

  Y: 3

end

EOF

cat > /etc/skel/.idesktop/mythtv-backend-start.lnk <<EOF

table Icon

  Caption: Start MythTV Backend

  CaptionTip: Starts backend

  Command: xterm -e "gksudo /etc/init.d/mythtv-backend start --description \"Start Mythtv-Backend\" && sleep 3"

  Icon: /usr/share/mythtv/themes/blue/play_button_on.png

  FontColor: #FFFFFA

  Width: 60

  Height: 60

  X: 519

  Y: 3

end

EOF

cat > /etc/skel/.idesktop/mythtv-backend-restart.lnk <<EOF

table Icon

  Caption: Restart MythTV Backend

  CaptionTip: Restarts backend

  Command: xterm -e "gksudo /etc/init.d/mythtv-backend restart --description \"Restart Mythtv-Backend\" && sleep 3"

  Icon: /usr/share/mythtv/themes/default/mv_gallery_dir_up.png

  FontColor: #FFFFFA

  Width: 60

  Height: 60

  X: 704

  Y: 3

end

EOF

cat > /etc/skel/.idesktop/mythfilldatabase.lnk <<EOF

table Icon

  Caption: mythfilldatabase

  CaptionTip: Fills with initial data

  Command: xterm -e "mythfilldatabase && sleep 3"

  Icon: /usr/share/mythtv/themes/blue/showstatus.png

  FontColor: #FFFFFA

  Width: 90

  Height: 60

  X: 864

  Y: 3

end

EOF

cat > /usr/share/xsessions/mythtv_setup.desktop <<EOF

[Desktop Entry]

Encoding=UTF-8

Name=MythTV Setup

Comment=Use this session to install and change mythtv settings

Exec=/usr/share/mythtv/startmythtv_setup.sh

Icon=

Type=Application

EOF

cat > /usr/share/mythtv/startmythtv_setup.sh <<EOF

#!/bin/sh

#MythTV Install & Settings Session

# Copyright © 2007  Mario Limonciello

#Setup background

feh --bg-center ~/.background.xpm

#Start screensaver

gnome-screensaver

#Start desktop icons

idesk &

#Gnome volume manager if present

if [ -x /usr/bin/gnome-volume-manager ]; then

    gnome-volume-manager&

fi

#Start window manager

exec openbox

EOF

chmod +x /usr/share/mythtv/startmythtv_setup.sh

cat > /etc/skel/.gtkrc-2.0 <<EOF

include "/usr/share/themes/Mythbuntu/gtk-2.0/gtkrc"

EOF

cp /etc/skel/.gtkrc-2.0 /root

cp /etc/skel/.gtkrc-2.0 /home/mythtv

chown mythtv:mythtv /home/mythtv/.gtkrc-2.0

mv /tmp/background_setup.xpm /etc/skel/.background.xpm

#TODO: higher priority until the ubuntu-mythtv-frontend package is fixed

update-alternatives --install /etc/gdm/gdm-cdd.conf gdm-config-derivative /etc/xdg/mythtv-ubuntu/gdm/mythbuntu-gdm-noautologin.conf 65

#Step M: Grab Live Cd Build Dependencies

apt-get install -y -o Acquire::Retries=$APT_RETRIES coreutils mkisofs findutils bash passwd sed squashfs-tools casper rsync mount eject libdebian-installer4 os-prober ubiquity ubiquity-frontend-mythbuntu ubiquity-ubuntu-artwork user-setup memtest86+ dpkg-dev discover1 language-selector-common

#Step N: Preinstall all other options

apt-get -y install -o Acquire::Retries=$APT_RETRIES ubuntu-mythtv-frontend mythtv-backend-master lirc lirc-modules-source module-assistant mythweb mythtv samba

#Step O: Build CD information

cd /

mkdir -p /home/remastersys/ISOTMP/.disk

cat > /home/remastersys/ISOTMP/.disk/info << EOF

Mythbuntu $VERSION "$BASE_RELEASE" - $MYTHBUNTU_RELEASE $ARCHITECTURE ($DATE)

EOF

cat > /home/remastersys/ISOTMP/.disk/release_notes_url << EOF

www.mythbuntu.org/$VERSION/release_notes

EOF

#Step P: prepare ubiquity

rm -f /usr/share/ubiquity/apt-setup

echo "#do nothing" > /usr/share/ubiquity/apt-setup

chmod 755 /usr/share/ubiquity/apt-setup

dpkg-reconfigure casper

#Step Q: copy current kernel/initrd

cp /vmlinuz /home/remastersys/ISOTMP/casper/

cp /initrd.img /home/remastersys/ISOTMP/casper/initrd.gz

cp /boot/memtest86+.bin /home/remastersys/ISOTMP/install/mt86plus

#Step R: remove our proxy conf file

if [ -f /etc/apt/apt.conf ]; then

    rm /etc/apt/apt.conf

fi

#Step S: unmount imaginary filesystems

#the last one gets mounted during l-r-m install, but can be from many different kernels

if [ -z $FAKECHROOT ] ; then

    umount /proc

    umount /dev/pts

    umount /sys

    umount /var/cache/apt/archives

    find /lib/modules/ -name volatile | xargs umount

fi

#Step T: Remove our archives directory that was linked in from the outside world

rm -rf /var/cache/apt/archives

mkdir -p /var/cache/apt/archives/partial

#Step U: Remove our fake scripts

rm /usr/sbin/policy-rc.d

rm /sbin/start-stop-daemon

mv /sbin/start-stop-daemon.real /sbin/start-stop-daemon

#Step V: Remove Autostarting of:

update-rc.d -f mythtv-backend remove

update-rc.d -f mysql remove

update-rc.d -f apache2 remove

update-rc.d -f ntp remove

update-rc.d -f samba remove

update-rc.d -f ssh remove

#Step W: Re-enable apache upon reinstall

cat > /etc/default/apache2 <<EOF

# 0 = start on boot; 1 = don't start on boot

NO_START=0

EOF

EOCHROOT

#Step 6, generate our chroot iso script

cat <<EOCHROOT >$BASE_INSTALL/tmp/mythbuntu-iso-script

#!/bin/bash

#Mythbuntu chroot iso build script

# Copyright © 2007  Mario Limonciello

#Step X: Create Live Disk User & prep their personalized desktop

groupadd -g 999 ubuntu

useradd -g 999 -u 999 -s /bin/bash -m -G adm,dialout,cdrom,floppy,audio,dip,video,plugdev,mythtv ubuntu

mv /tmp/background_install.xpm /home/ubuntu/.background.xpm

rm /home/ubuntu/.idesktop/*

cat > /home/ubuntu/.idesktop/gmplayer.lnk <<EOF

table Icon

  Caption: GMplayer

  CaptionTip: Runs mplayer from livecd

  Command: gmplayer

  Icon: /usr/share/pixmaps/mplayer.xpm

  FontColor: #FFFFFA

  Width: 48

  Height: 48

  X: 243

  Y: 0

end

EOF

cat > /home/ubuntu/.idesktop/mythfrontend.lnk <<EOF

table Icon

  Caption: MythTV Frontend

  CaptionTip: Runs directly from live cd

  Command: export DEBIAN_FRONTEND=gnome; echo | sudo -S dpkg-reconfigure mythtv-common; mythfrontend

  Icon: /usr/share/mythtv/themes/blue/myth_tv_logo.png

  FontColor: #FFFFFA

  Width: 145

  Height: 48

  X: 1

  Y: 0

end

EOF

cat > /home/ubuntu/.idesktop/ubiquity.lnk <<EOF

table Icon

  Caption: Install Mythbuntu

  Caption Tip: Installs Mythbuntu directly to this system

  Command: echo | sudo -S /usr/bin/ubiquity mythbuntu_ui

  Icon: /usr/share/pixmaps/ubiquity.png

  FontColor: #FFFFFA

  Width: 64

  Height: 64

  X: 51

  Y: 85

end

EOF

cat > /home/ubuntu/.idesktop/vlc.lnk <<EOF

table Icon

  Caption: VLC

  CaptionTip: Runs VLC from live cd

  Command: vlc

  Icon: /usr/share/vlc/vlc.xpm

  FontColor: #FFFFFA

  Width: 48

  Height: 48

  X: 163

  Y: 0

end

EOF

cat > /home/ubuntu/.idesktop/firefox.lnk <<EOF

table Icon

  Caption: Firefox

  CaptionTip: Runs Firefox from live cd

  Command: firefox http://www.mythbuntu.org

  Icon: /usr/share/pixmaps/firefox.png

  FontColor: #FFFFFA

  Width: 48

  Height: 48

  X: 323

  Y: 0

end

EOF

chown 999:999 /home/ubuntu/.idesk* -R

#Step Y: Generate manifests and control scripts

dpkg-query -W --showformat='\${Package} \${Version}\n' | grep -v deinstall > /home/remastersys/ISOTMP/casper/filesystem.manifest

cat > /home/remastersys/control <<EOF

/casper/d

/libdebian-installer4/d

/os-prober/d

/ubiquity/d

/user-setup/d

/gnome-mount/d

/gnome-volume-manager/d

EOF

sed -f /home/remastersys/control < /home/remastersys/ISOTMP/casper/filesystem.manifest > /home/remastersys/ISOTMP/casper/filesystem.manifest-desktop

#Step Z: Prep remastersys directories

find /var/log -name *log.* > /home/remastersys/varexc

find /var -name *.pid >> /home/remastersys/varexc

find /var/tmp -name *cache* >> /home/remastersys/varexc

rsync --exclude-from=/home/remastersys/varexc -av /var/. /home/remastersys/dummysys/var/.

#Step Za: create squashfs

if [ ! -z $FAKECHROOT ] ; then

    #Clean up directories before making

    rm -r /proc /sys /dev

    mkdir -p /proc

    mkdir -p /dev

    mkdir -p /sys

fi

mksquashfs / /home/remastersys/ISOTMP/casper/filesystem.squashfs -e \

.thumbnails \

Cache \

/etc/X11/xorg.conf \

/etc/resolv.conf \

/etc/mtab \

/etc/fstab \

/media \

/mnt \

/proc \

/sys \

/tmp \

/var \

/home/remastersys

#Step Zb: add other live cd folder requirements

mksquashfs /home/remastersys/dummysys/ /home/remastersys/ISOTMP/casper/filesystem.squashfs

#Step Zc: remove our live user

userdel ubuntu

#Step Zd: create a md5sum for the ISO

cd /home/remastersys/ISOTMP && find . -type f -print0 | xargs -0 md5sum | sed /md5sum/d | sed /boot.cat/d | sed /isolinux.bin/d > md5sum.txt

#Step Ze: create ISO

mkisofs    \

 -r    \

 -V "Mythbuntu $VERSION $MYTHBUNTU_RELEASE"    \

 -cache-inodes    \

 -J    \

 -l    \

 -b isolinux/isolinux.bin    \

 -c isolinux/boot.cat    \

 -no-emul-boot    \

 -boot-load-size 4    \

 -boot-info-table    \

 -o /home/remastersys/mythbuntu.iso "/home/remastersys/ISOTMP"

ls -hs /home/remastersys/mythbuntu.iso

EOCHROOT

#####################################

#Step 7, run our chroot script

chmod +x $BASE_INSTALL/tmp/mythbuntu-system-script

chmod +x $BASE_INSTALL/tmp/mythbuntu-iso-script

if [ ! -z $FAKECHROOT ] ; then

    TIME="The fakechroot build process ran for %E." time fakeroot fakechroot chroot $BASE_INSTALL /tmp/mythbuntu-system-script

    TIME2="The fakechroot build process ran for %E." time fakeroot fakechroot chroot $BASE_INSTALL /tmp/mythbuntu-iso-script

else

    if [ $BUILD_SYSTEM = "yes" ]; then

        mount --bind /var/cache/apt/archives $BASE_INSTALL/var/cache/apt/archives

        TIME="The chroot build process ran for %E." time chroot $BASE_INSTALL /tmp/mythbuntu-system-script

    else

        echo "Skipping chroot build process as requested by user."    

    fi

    if [ $BUILD_ISO = "yes" ]; then

        TIME2="The chroot iso process ran for %E." time chroot $BASE_INSTALL /tmp/mythbuntu-iso-script

    else

        echo "Skipping chroot iso process as requested by user."

    fi

fi

#####################################

#Step 8, Cleanup

rm $BASE_INSTALL/tmp/mythbuntu-system-script

rm $BASE_INSTALL/tmp/mythbuntu-iso-script

#####################################

#Step 9, Finished up

#####################################

if [ $BUILD_ISO = "yes" ]; then

    mv $BASE_INSTALL/home/remastersys/mythbuntu.iso $NEW_DIRECTORY/$NEW_ISO

    cd $NEW_DIRECTORY

    md5sum $NEW_ISO > $NEW_MD5

    echo "Your mythbuntu image generation completed at `date`"

    echo "The ISO image is located in $NEW_DIRECTORY/$NEW_ISO"

    echo "The ISO md5sum is located in $NEW_DIRECTORY/$NEW_MD5"

else

    echo "The base install is located in $BASE_INSTALL"

    echo "No ISO image was generated as requested by user."

fi