#!/bin/bash
#  The non-interactive eBuild configure script for transforming
#  Ubuntu into elementary(OS) within a chroot environment

if [ "$1" = "--configure-installed" ]; then
configuring_installed=true;
else
configuring_installed=false;
fi

if [ -x /usr/bin/ubiquity ]; then
echo 'Configuring the chroot environment'
elif $configuring_installed; then
echo 'Configuring installed system. If anything goes wrong, you were warned.'
else
echo 'This is not a chroot environment, exiting.\nPlease use the build script, instead of this one.'
exit 1
fi

if $configuring_installed; then
# in this case build.sh doesn't handle resource placement for us

# Get data directory
DATADIR=${0%/*}
# That's fancy but what if we're started with "sh conf.sh"? Workarounds:
DATADIR=${DATADIR%conf.sh}
DATADIR=${DATADIR:-.}
 
# Copy resourses
ln -f -t /tmp/ "$DATADIR"/resources/* || cp -f -t /tmp/ "$DATADIR"/resources/*
if [ "$?" != 0 ]; then
  echo "Couldn't copy or symlink resources to /tmp/, exiting" > /dev/stderr
  exit 1
fi
fi

setconf="gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --set -t"
loadconf="gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --load"
VERSION="0.2"

# We don't want any debconf questions to freeze the process
export DEBIAN_FRONTEND=noninteractive

# A alphabetical list of packages that have to be removed.
# A lot of them also aren't removed automatically.

# Remove Accesories packages:
apt-get remove -f -y --purge baobab byobu eog gnome-search-tool tomboy

# Remove Font packages:
# Will be replaced by better ttf-unifont. Accounts for more languages and is smaller.
apt-get remove -f -y --purge ttf-dejavu-core ttf-indic-fonts-core ttf-kacst-one ttf-khmeros-core ttf-lao ttf-punjabi-fonts ttf-takao-pgothic ttf-thai-tlwg ttf-unfonts-core ttf-wqy-microhei

# Remove Games packages:
apt-get remove -f -y --purge aisleriot gbrainy gnome-games-common gnome-mahjongg gnomine gnome-sudoku quadrapassel

# Remove Gnome stuff:
apt-get remove -f -y --purge gnome-session-canberra gnome-utils gnome-panel gnome-panel-data libgnomepanel2.24-cil gnome-applets gnome-applets-data gnome-menus libgnome-menu* libpanel-applet*

# Remove Indicator stuff:
apt-get remove -f -y --purge evolution-indicator

# Remove Internet packages:
apt-get remove -f -y --purge evolution evolution-common evolution-couchdb evolution-exchange evolution-plugins evolution-webcal firefox* tsclient ubufox vinagre xul-ext-ubufox

# Remove Internet related stuff:
apt-get remove -f -y --purge bogofilter bogofilter-bdb bogofilter-common

# Remove Nautilus and extras:
apt-get remove -f -y --purge nautilus-* libnautilus-extension*

# Remove Office packages:
apt-get remove -f -y --purge gnome-dictionary libreoffice-* ttf-opensymbol uno-libs3 ure

# Remove Mono runtime and libraries:
apt-get remove -f -y --purge mono-runtime mono-2.0-gac mono-gac libmono-addins-gui0.2-cil libglade2.0-cil libglib2.0-cil libgdata1.7-cil libgconf2.0-cil libmono-zeroconf1.0-cil libgkeyfile1.0-cil libart2.0-cil libgnome2.24-cil libndesk-dbus1.0-cil libmono-cairo2.0-cil libgtk-sharp-beans-cil libgmime2.4-cil liblaunchpad-integration1.0-cil libmono-i18n-west2.0-cil libmono-addins0.2-cil libmono-posix2.0-cil libmono-security2.0-cil libtaglib2.0-cil libgtk2.0-cil libappindicator0.1-cil libmono-sharpzip2.84-cil libmono-corlib2.0-cil libgudev1.0-cil libndesk-dbus-glib1.0-cil libmono-management2.0-cil libgnome-vfs2.0-cil libmono-system2.0-cil libnotify0.4-cil

# Remove Sound & Video packages:
apt-get remove -f -y --purge pitivi totem-mozilla banshee banshee-extension-soundmenu banshee-extension-ubuntuonemusicstore

# Remove Administration packages:
apt-get remove -f -y --purge alacarte checkbox checkbox-gtk computer-janitor computer-janitor-gtk gnome-nettool gnome-system-log ubuntuone-client ubuntuone-client-gnome python-ubuntuone python-ubuntuone-client python-ubuntuone-storageprotocol usb-creator-common usb-creator-gtk vino

# Remove Unity:
apt-get remove -f -y --purge unity* unity-2d* libqt4* appmenu-gtk indicator-appmenu

### These packages are more than likely unnecessary for what we want but can be ###
### reviewed more extensively. They will be recategorized at a later time ###

# Remove 'A' packages
apt-get remove -f -y --purge apport apport-gtk apport-symptoms aspell aspell-en at at-spi avahi-utils #alsa-utils alsa-base

# Remove 'B' packages
# I would consider removing bind9-host, maybe binfmt-support.
apt-get remove -f -y --purge bluez-alsa brltty brltty-x11 busybox-static

# Remove 'C' packages
apt-get remove -f -y --purge couchdb-bin cpu-checker

# Remove 'D' packages
# Find a way to remove dmsetup later
apt-get remove -f -y --purge dc desktopcouch dnsmasq-base dnsutils doc-base

# Remove 'E' packages
# Find a way to remove eject later
apt-get remove -f -y --purge ed erlang-base erlang-base-hipe erlang-inets erlang-mnesia erlang-public-key erlang-runtime-tools erlang-ssl erlang-syntax-tools erlang-xmerl espeak espeak-data

# Remove 'F' packages
# Maybe remove fancontrol
apt-get remove -f -y --purge fakeroot ftp

# Remove 'G' packages
# gconf-editor should be removed closer to iso time.
apt-get remove -f -y --purge gdb geoip-database ghostscript-x gnome-accessibility-themes gnome-orca gnome-mag gnome-themes-selected guile-1.8-libs gwibber

# Remove 'I' packages
# I would consider removing ibus-pinyin ibus-pinyin-db-android
apt-get remove -f -y --purge info intel-gpu-tools iptables iputils-ping iputils-tracepath

# Remove 'K' packages
apt-get remove -f -y --purge kerneloops-daemon

# Remove 'L' packages
apt-get remove -f -y --purge language-support-en language-support-writing-en launchpad-integration less lftp lksctp-tools lm-sensors logrotate lp-solve  ltrace #linux-sound-base lsof lshw

# Remove 'M' packages (don't remove mtools because unetbootin needs it)
apt-get remove -f -y --purge manpages manpages-dev memtest86+ mlocate mono-csharp-shell mono-gmcs mousetweaks mtr-tiny myspell-en-au myspell-en-gb myspell-en-za

# Remove 'N' packages
apt-get remove -f -y --purge nano netcat-openbsd ntpdate #network-manager-pptp network-manager-pptp-gnome

# Remove 'O' packages
apt-get remove -f -y --purge onboard

# Remove 'P' packages
# Dialup is nearly dead, and packages are CLI only: ppp pppconfig pppoeconf
apt-get remove -f -y --purge parted pkg-config popularity-contest ppp pppconfig pppoeconf pptp-linux protobuf-compiler pulseaudio-esound-compat python-ubuntuone-client

# Remove 'R' packages
apt-get remove -f -y --purge rdesktop rsync rsyslog

# Remove 'S' packages
# Don't remove smbclient, it's needed for many printer connections
apt-get remove -f -y --purge sane-utils screen screensaver-default-images speech-dispatcher ssh-askpass-gnome strace

# Remove 'T' packages
apt-get remove -f -y --purge tcl tcpd tcpdump telepathy-salut telnet time toshset

# Remove 'U' packages
apt-get remove -f -y --purge ufw

# Remove 'V' packages
apt-get remove -f -y --purge vbetool vim-tiny vim-common

# Remove 'W' packages
# Don't remove wbritish or wamerican from the following list.
# Either find another way to automate it or don't worry about it.
apt-get remove -f -y --purge w3m wamerican wbritish whois

# Remove 'X' packages
# A lot of these are only needed for TTY and X-less sessions.
# Don't worry about xorg being removed. It's like a dummy package
apt-get remove -f -y --purge x-ttcidfont-conf x11-apps x11-session-utils x11-xfs-utils xbitmaps xfonts-100dpi xfonts-75dpi xfonts-base xfonts-encodings xfonts-mathml xfonts-scalable xfonts-utils xinit xinput xorg xorg-docs-core xscreensaver-data xscreensaver-gl xterm 

### Some of these packages WILL NOT be removed if they are not in this script ###

# Remove Branding stuff:
apt-get remove -f -y --purge branding-ubuntu example-content gnome-themes-ubuntu light-themes plymouth-label plymouth-theme-ubuntu-logo plymouth-theme-ubuntu-text ubuntu-artwork ubuntu-mono ubuntu-sounds ubuntu-wallpapers ubiquity-slideshow-ubuntu

# Remove Codec stuff:
apt-get remove -f -y --purge gstreamer0.10-gnonlin gstreamer0.10-plugins-base-apps gstreamer0.10-tools

# Remove Ubuntu Stuff:
apt-get remove -f -y --purge ubuntu-desktop ubuntu-docs ubuntu-minimal ubuntu-standard ubuntu-extras-keyring

# Add elementary software PPA:
add-apt-repository ppa:elementaryart/elementarydesktop

# Add dev PPAs:
add-apt-repository ppa:elementaryart/elementary-dev
add-apt-repository ppa:sgringwe/beatbox
add-apt-repository ppa:midori/midori-dev

# Configure sources.list:
sed -i 's/^\# \(.*universe$\)/\1/' /etc/apt/sources.list
sed -i 's/^\# \(.*multiverse$\)/\1/' /etc/apt/sources.list

# Update
apt-get update -f -y

# Install apps for elementary desktop
apt-get install -f -y --allow-unauthenticated elementary-desktop

# Install ISO-specific elementary stuff
apt-get install -f -y --allow-unauthenticated plank-item-ubiquity plank-items-elementary elementary-default-settings

# Install deborphan - we'll need it later for cleanup
apt-get install -f -y --no-install-recommends --allow-unauthenticated deborphan

# Upgrade all packages - do this after installing elementary stuff to avoid pulling GNOME components again
apt-get dist-upgrade -f -y --allow-unauthenticated

# START BLOCK: Remove obsolete kernel packages (and only use new one in updates)

# Find package name for the oldest kernel image currently installed
old_linux_image=$(dpkg-query -W 'linux-image-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | head -n 1)

# The same for headers-generic
old_linux_headers_generic=$(dpkg-query -W 'linux-headers-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | head -n 1)

# Determine the name of headers metapackage (without -generic)
old_linux_headers=$(echo "$old_linux_headers_generic" | cut -d'-' -f1-4)


# Find package name for the newest kernel image currently installed
new_linux_image=$(dpkg-query -W 'linux-image-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | tail -n 1)

# The same for headers-generic
new_linux_headers_generic=$(dpkg-query -W 'linux-headers-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | tail -n 1)

# Determine the name of headers metapackage (without -generic)
new_linux_headers=$(echo "$new_linux_headers_generic" | cut -d'-' -f1-4)

# Remove all kernel images but the most recent one
while [ "$old_linux_image" != "$new_linux_image" ]
do
apt-get remove -f -y --purge "$old_linux_image"

# Find package name for the oldest kernel image currently installed
old_linux_image=$(dpkg-query -W 'linux-image-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | head -n 1)
done

# Remove all kernel headers but the most recent ones
while [ "$old_linux_headers" != "$new_linux_headers" ]
do
apt-get remove -f -y --purge "$old_linux_headers"

# Find package name for the oldest headers currently installed
old_linux_headers_generic=$(dpkg-query -W 'linux-headers-2.*' | rev | cut -b 2- | rev | cut -s -f1 | grep generic | head -n 1)

# Determine the name of headers metapackage (without -generic)
old_linux_headers=$(echo "$old_linux_headers_generic" | cut -d'-' -f1-4)
done

# END BLOCK: Remove obsolete kernel packages (and only use new one in updates)

# CUPS
cp -r /tmp/testpage.ps /usr/share/system-config-printer/testpage-letter.ps
cp -r /tmp/testpage.ps /usr/share/system-config-printer/testpage-a4.ps

# Hack to make Ubiquity's panel work
mkdir -p /usr/share/themes/Ambiance/gtk-2.0/apps/img/
ln -s /usr/share/themes/elementary/gtk-2.0/Panel/panel-dark.png /usr/share/themes/Ambiance/gtk-2.0/apps/img/panel.png

# Kill the desktop with fire
cp /tmp/user-dirs.defaults /etc/xdg/
$setconf bool /apps/nautilus/preferences/desktop_is_home_dir TRUE
$setconf bool /apps/nautilus/preferences/show_desktop FALSE

# Fix userrights of "me"
sed -i 's/"Ubuntu"/"elementary"/' /usr/share/initramfs-tools/scripts/casper-bottom/10adduser

# Plymouth
echo FRAMEBUFFER=y >>/etc/initramfs-tools/conf.d/splash

# Set Midori defaults
cp -f -T /tmp/midori_config /etc/xdg/midori/config

# Ubuntu Software-Center
cp -r /usr/share/software-center/softwarecenter/distro/Debian.py /usr/share/software-center/softwarecenter/distro/elementary.py
sed -i 's/Debian/elementary/' /usr/share/software-center/softwarecenter/distro/elementary.py

# Ubiquity
cp -t /usr/share/ubiquity/ /tmp/ubuntu_installed.png /tmp/cd_in_tray.png
cp -t /usr/share/ubiquity/pixmaps /tmp/ubuntu_installed.png /tmp/cd_in_tray.png
cp -f /tmp/ubi-language.py /usr/lib/ubiquity/plugins/

# Change gdm settings to elementary style
sed -i 's/Ubuntu /elementary /' /usr/share/xsessions/gnome.desktop /usr/share/xsessions/gnome-failsafe.desktop /etc/gdm/failsafeXinit
./tmp/gdm2fix.py

# LSB
sed -i 's/DISTRIB_DESCRIPTION=\"Ubuntu 11.04\"/DISTRIB_DESCRIPTION=\"elementary-luna\"/' /etc/lsb-release

# Motd overwrite
echo -e "elementary $VERSION \n\n Welcome to elementary! \n * Documentation: http://elementaryOS.org/support\n ...;n\n" > /etc/motd
cp -f /tmp/10-help-text /etc/update-motd.d/10-help-text

# GRUB2 awesomeness
patch -f -c </tmp/10_linux.patch
if [ "$?" != 0 ]; then
echo -e "\nWARNING:\nFailed to patch the GRUB entry, it must have been changed by upstream.\nPlease report a bug at https://bugs.launchpad.net/elementaryos/+fi...092;nAttempting to continue anyway." > /dev/stderr
mv -f --no-target-directory 10_linux.orig /etc/grub.d/10_linux
rm -f 10_linux.rej
fi

# Remove orphaned packages
while [ -n "$(deborphan)" ]; do
    apt-get autoremove -f -y $(deborphan)
done

# Remove deborphan - we don't need it in the image
apt-get autoremove -f -y --purge deborphan

# Clean Up
apt-get autoclean -f
apt-get clean -f -y
apt-get autoremove -f -y

exit 0