pkgname=lightdm

post_install() {
  getent group lightdm >/dev/null 2>&1 || groupadd -g 121 lightdm
  getent passwd lightdm > /dev/null 2>&1 || usr/sbin/useradd -c 'LightDM Display Manager' -u 121 -g lightdm -d /var/lib/lightdm -s /sbin/nologin lightdm
  passwd -l lightdm > /dev/null
  chown -R lightdm:lightdm /var/lib/lightdm > /dev/null

  gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
  gconfpkg --install ${pkgname}
  glib-compile-schemas usr/share/glib-2.0/schemas
}

pre_remove() {
  if [ -f usr/share/gconf/schemas/${pkgname}.schemas ]; then
    gconfpkg --uninstall ${pkgname}
  fi
}

post_upgrade() {
  post_install
}

post_remove() {
  glib-compile-schemas usr/share/glib-2.0/schemas
  gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
  getent passwd lightdm >/dev/null 2>&1 && userdel lightdm
  getent group lightdm >/dev/null 2>&1 && groupdel lightdm
}