#!/bin/bash

## post-install chroot customization script ##

set -e -u
source /root/customize_root_image-constants.inc


LOG_CONFIG "timezone and locales"

ln -sf /usr/share/zoneinfo/UTC /etc/localtime
for locale in ${LOCALES} ; do sed -i "s/#${locale}/${locale}/" /etc/locale.gen ; done ;
locale-gen


LOG_CONFIG "sudo"

chmod 750 /etc/sudoers.d
chmod 440 /etc/sudoers.d/g_wheel


LOG_CONFIG "pacman"

[[ "${ISO_INIT}"     == 'openrc'   ]] && sed -i "$NONSYSTEMD_REGEX"  /etc/pacman-online.conf
[[ "${INSTALL_TYPE}" == 'Complete' ]] && cp /etc/pacman-offline.conf /etc/pacman.conf || \
                                         cp /etc/pacman-online.conf  /etc/pacman.conf

LOG_CONFIG "services"

if   [[ "${ISO_INIT}" == 'openrc' ]]
then # delete files that are specific to other init systems
     rm ${OPENRC_DELETE_FILES}

     # enable services
     for service in ${OPENRC_SERVICES} ; do rc-update add ${service} default ; done ;

     # create the 'dbus' group and user if they do not exist
     if ! grep -q 'dbus' /etc/group  ; then groupadd                          -g 81 dbus ; fi ;
     if ! grep -q 'dbus' /etc/passwd ; then useradd -r -s /sbin/nologin -u 81 -g 81 dbus ; fi ;

elif [[ "${ISO_INIT}" == 'systemd' ]]
then # delete files that are specific to other init systems
     rm ${SYSTEMD_DELETE_FILES}

     # enable services
     systemctl enable ${SYSTEMD_SERVICES}

else echo "invalid \$ISO_INIT for services '${ISO_INIT}'"
     exit 1
fi


LOG_CONFIG "system defaults and root user"

usermod -s ${DEFAULT_SHELL} root 2> /dev/null
sed -i "s|PRETTY_NAME=.*|PRETTY_NAME=\"${OS_PRETTY_NAME}\"|" /usr/lib/os-release
echo "VERSION=\"${OS_VERSION}\""                          >> /usr/lib/os-release
echo "VERSION_ID=\"${OS_VERSION_ID}\""                    >> /usr/lib/os-release
echo "VARIANT=\"${OS_VARIANT}\""                          >> /usr/lib/os-release
echo "VARIANT_ID=\"${OS_VARIANT_ID}\""                    >> /usr/lib/os-release


LOG_CONFIG "login session and live user"

sed -i "s|_EDITION_TITLE_|${ISO_TITLE}|"             /etc/motd
sed -i "s|_NETWORK_MOTD_MSG_|${NETWORK_MOTD_MSG}|"   /etc/motd
sed -i "s|_ENABLE_TTS_BRLTTY_|${ENABLE_TTS_BRLTTY}|" /etc/skel/.bash_profile

case "${ISO_WMDE}" in
'cli' ) # configure CLI login session
  cp ${ROOT_SKEL_FILES} /root/
  sed -i "s|_DESKTOP_SESSION_||" /root/.bash_profile
  ;;

'mini' ) # configure installer-only session
  cp ${ROOT_SKEL_FILES} /root/
  cp ${MINI_SKEL_FILES} /root/
#   sed -i "s|_DESKTOP_SESSION_|mini|" /root/.bash_profile
sed -i "s|_DESKTOP_SESSION_||" /root/.bash_profile
  cat > /root/.gtkrc-2.0 << END
gtk-theme-name="parabola-blackmate"
gtk-icon-theme-name="Adwaita"
gtk-font-name="Sans 10"
gtk-cursor-theme-name="FlatbedCursors-Blue"
gtk-cursor-theme-size=18
END
  ;;

* ) # configure GUI login session

  # configure live user
  [[ -n "$(id ${LIVE_USER} 2> /dev/null)" ]] && userdel -r ${LIVE_USER} 2> /dev/null
  useradd -m -p "" -g users -G "${LIVE_USER_GROUPS}" -s ${DEFAULT_SHELL} ${LIVE_USER}

  # configure auto-login
  case "${ISO_INIT}" in
  'openrc'  ) sed -i "s|--autologin root|--autologin ${LIVE_USER}|" /etc/conf.d/agetty.tty1                                 ;;
  'systemd' ) sed -i "s|--autologin root|--autologin ${LIVE_USER}|" /etc/systemd/system/getty@tty1.service.d/autologin.conf ;;
  esac

  # configure desktop environment
  sed -i "s|/issue-tracker/|/isos/|" /home/${LIVE_USER}/Desktop/bug-tracker.desktop
  case "${ISO_WMDE}" in
  'lxde' )
    rm -f /etc/xdg/autostart/octopi-notifier.desktop 2> /dev/null # FIXME: issue #1850
    for desktop_file in parabola-installer.desktop parabola-irc.desktop bug-tracker.desktop
    do  sleep 2 ; touch                /home/${LIVE_USER}/Desktop/${desktop_file} ; # sort
    done
    sed -i "s|_DESKTOP_SESSION_|LXDE|" /home/${LIVE_USER}/.bash_profile
    sed -i "s|_DESKTOP_SESSION_|LXDE|" /home/${LIVE_USER}/.dmrc
    ;;

  'mate' )
    sed -i "s|_DESKTOP_SESSION_|mate|" /home/${LIVE_USER}/.bash_profile
    sed -i "s|_DESKTOP_SESSION_|mate|" /home/${LIVE_USER}/.dmrc
    ;;

  * )
    echo "unknown \$ISO_WMDE for _DESKTOP_SESSION_ '${ISO_WMDE}'"
    exit 1
    ;;
  esac

  # configure welcome news alert
  sed -i "s|_EDITION_TITLE_|${OS_PRETTY_NAME}| ; \
          s|,Don't show this again:0||         ; \
          s|620x460|620x520|                     " /usr/bin/autostart.sh
  ;;
esac