#!/bin/bash
# Xubuntu 14.04 LTS
# TODO: udisks2, sed failsafe, grub check root partition

if [ $(id -u) != 0 ]; then
  echo "Please run this script as root or using sudo"
  exit 1
fi

LOG=./install.log
ASOUND=/etc/asound.conf
ACONF=/etc/modprobe.d/alsa-base.conf
NMCONF=/etc/NetworkManager/NetworkManager.conf

# Grub
grub-install /dev/sdb \
|| $(echo "Install (grub) failed" ; exit 1)

# System packages
apt-get install upgrade-system debfoster aptitude ppa-purge apt-file synaptic \
gksu gufw gnome-disk-utility python-appindicator mesa-vdpau-drivers \
git cowbuilder eatmydata udevil preload \
|| $(echo "Install (system) failed" ; exit 1)

# Other packages
apt-get install smplayer smtube aqualung hexchat brasero geany \
keepassx seahorse qt4-qtconfig xubuntu-restricted-extras \
|| $(echo "Install (other) failed" ; exit 1)

# Clean packages
apt-get purge parole gmusicbrowser abiword gnumeric orage xchat xfburn \
pidgin indicator-messages software-center \
|| $(echo "Purge failed" ; exit 1)

sed -i 's/--guess-all/--guess-data/' /etc/upgrade-system.conf
upgrade-system \
|| $(echo "Upgrade failed" ; exit 1)

# PulseAudio pass-through
if ! test -e $ASOUND ; then
cat > $ASOUND <<EOF
pcm.pulse {
    type pulse
}

ctl.pulse {
    type pulse
}

pcm.!default {
    type pulse
}
ctl.!default {
    type pulse
}
EOF
fi

# https://wiki.archlinux.org/index.php/ALSA#Random_lack_of_sound_on_startup
if ! grep -q "options snd slots" $ACONF ; then
cat >> $ACONF <<EOF
# Default soundcard
options snd slots=snd_intel8x0,snd_hda_intel
options snd_intel8x0 index=0
options snd_hda_intel index=1
EOF
fi

# Disable dnsmasq
if ! grep -q "#dns=dnsmasq" $NMCONF ; then
    sed -i 's/dns=dnsmasq/#dns=dnsmasq/' $NMCONF
    service network-manager restart
    sleep 5s
fi

# https://wiki.archlinux.org/index.php/IPv6#Disable_IPv6
sed -i 's/"quiet splash"/"quiet splash ipv6.disable=1"/' /etc/default/grub
update-grub

# https://bugs.launchpad.net/bugs/1311525
sed -i 's/load-module module-udev-detect/load-module module-udev-detect ignore_dB=1/' \
/etc/pulse/default.pa

# https://bugs.launchpad.net/bugs/1310979
sed -i 's/x-scheme-handler\/file/inode\/directory/' /usr/share/applications/exo-file-manager.desktop
sed -i '/x-scheme-handler\/file/d' /usr/share/xubuntu/applications/defaults.list

# https://dnscrypt.eu/
git clone https://github.com/simonclausen/dnscrypt-autoinstall.git
cd dnscrypt-autoinstall && ./dnscrypt-autoinstall.sh